diff --git a/js/jquery/jquery-ui-timepicker-addon.js b/js/jquery/jquery-ui-timepicker-addon.js
index b8616da378..1a22b0cbb6 100644
--- a/js/jquery/jquery-ui-timepicker-addon.js
+++ b/js/jquery/jquery-ui-timepicker-addon.js
@@ -1,10 +1,10 @@
 /*
  * jQuery timepicker addon
  * By: Trent Richardson [http://trentrichardson.com]
- * Version 1.1.1
- * Last Modified: 11/07/2012
+ * Version 1.3.1
+ * Last Modified: 07/07/2013
  *
- * Copyright 2012 Trent Richardson
+ * Copyright 2013 Trent Richardson
  * You may use this project under MIT or GPL licenses.
  * http://trentrichardson.com/Impromptu/GPL-LICENSE.txt
  * http://trentrichardson.com/Impromptu/MIT-LICENSE.txt
@@ -27,7 +27,7 @@
 	*/
 	$.extend($.ui, {
 		timepicker: {
-			version: "1.1.1"
+			version: "1.3.1"
 		}
 	});
 
@@ -37,7 +37,7 @@
 	* Settings for (groups of) time pickers are maintained in an instance object,
 	* allowing multiple different settings on the same page.
 	*/
-	function Timepicker() {
+	var Timepicker = function() {
 		this.regional = []; // Available regional settings, indexed by language code
 		this.regional[''] = { // Default regional settings
 			currentText: 'Now',
@@ -52,37 +52,41 @@
 			minuteText: 'Minute',
 			secondText: 'Second',
 			millisecText: 'Millisecond',
+			microsecText: 'Microsecond',
 			timezoneText: 'Time Zone',
 			isRTL: false
 		};
 		this._defaults = { // Global defaults for all the datetime picker instances
 			showButtonPanel: true,
 			timeOnly: false,
-			showHour: true,
-			showMinute: true,
-			showSecond: false,
-			showMillisec: false,
-			showTimezone: false,
+			showHour: null,
+			showMinute: null,
+			showSecond: null,
+			showMillisec: null,
+			showMicrosec: null,
+			showTimezone: null,
 			showTime: true,
 			stepHour: 1,
 			stepMinute: 1,
 			stepSecond: 1,
 			stepMillisec: 1,
+			stepMicrosec: 1,
 			hour: 0,
 			minute: 0,
 			second: 0,
 			millisec: 0,
+			microsec: 0,
 			timezone: null,
-			useLocalTimezone: false,
-			defaultTimezone: "+0000",
 			hourMin: 0,
 			minuteMin: 0,
 			secondMin: 0,
 			millisecMin: 0,
+			microsecMin: 0,
 			hourMax: 23,
 			minuteMax: 59,
 			secondMax: 59,
 			millisecMax: 999,
+			microsecMax: 999,
 			minDateTime: null,
 			maxDateTime: null,
 			onSelect: null,
@@ -90,6 +94,7 @@
 			minuteGrid: 0,
 			secondGrid: 0,
 			millisecGrid: 0,
+			microsecGrid: 0,
 			alwaysSetTime: true,
 			separator: ' ',
 			altFieldTimeOnly: true,
@@ -99,7 +104,6 @@
 			pickerTimeFormat: null,
 			pickerTimeSuffix: null,
 			showTimepicker: true,
-			timezoneIso8601: false,
 			timezoneList: null,
 			addSliderAccess: false,
 			sliderAccessArgs: null,
@@ -108,7 +112,7 @@
 			parse: 'strict'
 		};
 		$.extend(this._defaults, this.regional['']);
-	}
+	};
 
 	$.extend(Timepicker.prototype, {
 		$input: null,
@@ -119,27 +123,31 @@
 		minute_slider: null,
 		second_slider: null,
 		millisec_slider: null,
+		microsec_slider: null,
 		timezone_select: null,
 		hour: 0,
 		minute: 0,
 		second: 0,
 		millisec: 0,
+		microsec: 0,
 		timezone: null,
-		defaultTimezone: "+0000",
 		hourMinOriginal: null,
 		minuteMinOriginal: null,
 		secondMinOriginal: null,
 		millisecMinOriginal: null,
+		microsecMinOriginal: null,
 		hourMaxOriginal: null,
 		minuteMaxOriginal: null,
 		secondMaxOriginal: null,
 		millisecMaxOriginal: null,
+		microsecMaxOriginal: null,
 		ampm: '',
 		formattedDate: '',
 		formattedTime: '',
 		formattedDateTime: '',
 		timezoneList: null,
-		units: ['hour','minute','second','millisec'],
+		units: ['hour','minute','second','millisec', 'microsec'],
+		support: {},
 		control: null,
 
 		/* 
@@ -155,11 +163,11 @@
 		/*
 		* Create a new Timepicker instance
 		*/
-		_newInst: function($input, o) {
+		_newInst: function($input, opts) {
 			var tp_inst = new Timepicker(),
 				inlineSettings = {},
-                fns = {},
-		        overrides, i;
+            	fns = {},
+		    	overrides, i;
 
 			for (var attrName in this._defaults) {
 				if(this._defaults.hasOwnProperty(attrName)){
@@ -173,6 +181,7 @@
 					}
 				}
 			}
+
 		    overrides = {
 		        beforeShow: function (input, dp_inst) {
 		            if ($.isFunction(tp_inst._defaults.evnts.beforeShow)) {
@@ -197,10 +206,11 @@
 		    };
 		    for (i in overrides) {
 		        if (overrides.hasOwnProperty(i)) {
-		            fns[i] = o[i] || null;
+		            fns[i] = opts[i] || null;
 		        }
 		    }
-		    tp_inst._defaults = $.extend({}, this._defaults, inlineSettings, o, overrides, {
+
+		    tp_inst._defaults = $.extend({}, this._defaults, inlineSettings, opts, overrides, {
 		        evnts:fns,
 		        timepicker: tp_inst // add timepicker as a property of datepicker: $.datepicker._get(dp_inst, 'timepicker');
 		    });
@@ -211,9 +221,15 @@
 				return val.toUpperCase();
 			});
 
+			// detect which units are supported
+			tp_inst.support = detectSupport(
+					tp_inst._defaults.timeFormat + 
+					(tp_inst._defaults.pickerTimeFormat? tp_inst._defaults.pickerTimeFormat:'') + 
+					(tp_inst._defaults.altTimeFormat? tp_inst._defaults.altTimeFormat:''));
+
 			// controlType is string - key to our this._controls
 			if(typeof(tp_inst._defaults.controlType) === 'string'){
-				if($.fn[tp_inst._defaults.controlType] === undefined){
+				if(tp_inst._defaults.controlType == 'slider' && typeof(jQuery.ui.slider) === 'undefined'){
 					tp_inst._defaults.controlType = 'select';
 				}
 				tp_inst.control = tp_inst._controls[tp_inst._defaults.controlType];
@@ -223,29 +239,39 @@
 				tp_inst.control = tp_inst._defaults.controlType;
 			}
 
-			if (tp_inst._defaults.timezoneList === null) {
-				var timezoneList = ['-1200', '-1100', '-1000', '-0930', '-0900', '-0800', '-0700', '-0600', '-0500', '-0430', '-0400', '-0330', '-0300', '-0200', '-0100', '+0000', 
-									'+0100', '+0200', '+0300', '+0330', '+0400', '+0430', '+0500', '+0530', '+0545', '+0600', '+0630', '+0700', '+0800', '+0845', '+0900', '+0930', 
-									'+1000', '+1030', '+1100', '+1130', '+1200', '+1245', '+1300', '+1400'];
-
-				if (tp_inst._defaults.timezoneIso8601) {
-					timezoneList = $.map(timezoneList, function(val) {
-						return val == '+0000' ? 'Z' : (val.substring(0, 3) + ':' + val.substring(3));
-					});
-				}
-				tp_inst._defaults.timezoneList = timezoneList;
+			// prep the timezone options
+			var timezoneList = [-720,-660,-600,-570,-540,-480,-420,-360,-300,-270,-240,-210,-180,-120,-60,
+					0,60,120,180,210,240,270,300,330,345,360,390,420,480,525,540,570,600,630,660,690,720,765,780,840];
+			if (tp_inst._defaults.timezoneList !== null) {
+				timezoneList = tp_inst._defaults.timezoneList;
 			}
+			var tzl=timezoneList.length,tzi=0,tzv=null;
+			if (tzl > 0 && typeof timezoneList[0] !== 'object') {
+				for(; tzi<tzl; tzi++){
+					tzv = timezoneList[tzi];
+					timezoneList[tzi] = { value: tzv, label: $.timepicker.timezoneOffsetString(tzv, tp_inst.support.iso8601) };
+				}
+			}
+			tp_inst._defaults.timezoneList = timezoneList;
 
-			tp_inst.timezone = tp_inst._defaults.timezone;
-			tp_inst.hour = tp_inst._defaults.hour;
-			tp_inst.minute = tp_inst._defaults.minute;
-			tp_inst.second = tp_inst._defaults.second;
-			tp_inst.millisec = tp_inst._defaults.millisec;
+			// set the default units
+			tp_inst.timezone = tp_inst._defaults.timezone !== null? $.timepicker.timezoneOffsetNumber(tp_inst._defaults.timezone) : 
+							((new Date()).getTimezoneOffset()*-1);
+			tp_inst.hour = tp_inst._defaults.hour < tp_inst._defaults.hourMin? tp_inst._defaults.hourMin : 
+							tp_inst._defaults.hour > tp_inst._defaults.hourMax? tp_inst._defaults.hourMax : tp_inst._defaults.hour;
+			tp_inst.minute = tp_inst._defaults.minute < tp_inst._defaults.minuteMin? tp_inst._defaults.minuteMin : 
+							tp_inst._defaults.minute > tp_inst._defaults.minuteMax? tp_inst._defaults.minuteMax : tp_inst._defaults.minute;
+			tp_inst.second = tp_inst._defaults.second < tp_inst._defaults.secondMin? tp_inst._defaults.secondMin : 
+							tp_inst._defaults.second > tp_inst._defaults.secondMax? tp_inst._defaults.secondMax : tp_inst._defaults.second;
+			tp_inst.millisec = tp_inst._defaults.millisec < tp_inst._defaults.millisecMin? tp_inst._defaults.millisecMin : 
+							tp_inst._defaults.millisec > tp_inst._defaults.millisecMax? tp_inst._defaults.millisecMax : tp_inst._defaults.millisec;
+			tp_inst.microsec = tp_inst._defaults.microsec < tp_inst._defaults.microsecMin? tp_inst._defaults.microsecMin : 
+							tp_inst._defaults.microsec > tp_inst._defaults.microsecMax? tp_inst._defaults.microsecMax : tp_inst._defaults.microsec;
 			tp_inst.ampm = '';
 			tp_inst.$input = $input;
 
-			if (o.altField) {
-				tp_inst.$altInput = $(o.altField).css({
+			if (tp_inst._defaults.altField) {
+				tp_inst.$altInput = $(tp_inst._defaults.altField).css({
 					cursor: 'pointer'
 				}).focus(function() {
 					$input.trigger("focus");
@@ -307,7 +333,7 @@
 					}
 					$.extend(this, parseRes.timeObj);
 				} catch (err) {
-					$.datepicker.log("Error parsing the date/time string: " + err +
+					$.timepicker.log("Error parsing the date/time string: " + err +
 									"\ndate/time string = " + timeString +
 									"\ntimeFormat = " + this._defaults.timeFormat +
 									"\ndateFormat = " + dp_dateFormat);
@@ -333,9 +359,12 @@
 				tp_inst = this,
 				litem = '',
 				uitem = '',
+				show = null,
 				max = {},
 				gridSize = {},
-				size = null;
+				size = null,
+				i=0,
+				l=0;
 
 			// Prevent displaying twice
 			if ($dp.find("div.ui-timepicker-div").length === 0 && o.showTimepicker) {
@@ -344,25 +373,27 @@
 								'<dd class="ui_tpicker_time"' + ((o.showTime) ? '' : noDisplay) + '></dd>';
 
 				// Create the markup
-				for(var i=0,l=this.units.length; i<l; i++){
+				for(i=0,l=this.units.length; i<l; i++){
 					litem = this.units[i];
 					uitem = litem.substr(0,1).toUpperCase() + litem.substr(1);
+					show = o['show'+uitem] !== null? o['show'+uitem] : this.support[litem];
+
 					// Added by Peter Medeiros:
 					// - Figure out what the hour/minute/second max should be based on the step values.
 					// - Example: if stepMinute is 15, then minMax is 45.
 					max[litem] = parseInt((o[litem+'Max'] - ((o[litem+'Max'] - o[litem+'Min']) % o['step'+uitem])), 10);
 					gridSize[litem] = 0;
 
-					html += '<dt class="ui_tpicker_'+ litem +'_label"' + ((o['show'+uitem]) ? '' : noDisplay) + '>' + o[litem +'Text'] + '</dt>' + 
-								'<dd class="ui_tpicker_'+ litem +'"><div class="ui_tpicker_'+ litem +'_slider"' + ((o['show'+uitem]) ? '' : noDisplay) + '></div>';
+					html += '<dt class="ui_tpicker_'+ litem +'_label"' + (show ? '' : noDisplay) + '>' + o[litem +'Text'] + '</dt>' + 
+								'<dd class="ui_tpicker_'+ litem +'"><div class="ui_tpicker_'+ litem +'_slider"' + (show ? '' : noDisplay) + '></div>';
 
-					if (o['show'+uitem] && o[litem+'Grid'] > 0) {
+					if (show && o[litem+'Grid'] > 0) {
 						html += '<div style="padding-left: 1px"><table class="ui-tpicker-grid-label"><tr>';
 
 						if(litem == 'hour'){
 							for (var h = o[litem+'Min']; h <= max[litem]; h += parseInt(o[litem+'Grid'], 10)) {
 								gridSize[litem]++;
-								var tmph = $.datepicker.formatTime(useAmpm(o.pickerTimeFormat || o.timeFormat)? 'hht':'HH', {hour:h}, o);									
+								var tmph = $.datepicker.formatTime(this.support.ampm? 'hht':'HH', {hour:h}, o);									
 								html += '<td data-for="'+litem+'">' + tmph + '</td>';
 							}
 						}
@@ -379,8 +410,9 @@
 				}
 				
 				// Timezone
-				html += '<dt class="ui_tpicker_timezone_label"' + ((o.showTimezone) ? '' : noDisplay) + '>' + o.timezoneText + '</dt>';
-				html += '<dd class="ui_tpicker_timezone" ' + ((o.showTimezone) ? '' : noDisplay) + '></dd>';
+				var showTz = o.showTimezone !== null? o.showTimezone : this.support.timezone;
+				html += '<dt class="ui_tpicker_timezone_label"' + (showTz ? '' : noDisplay) + '>' + o.timezoneText + '</dt>';
+				html += '<dd class="ui_tpicker_timezone" ' + (showTz ? '' : noDisplay) + '></dd>';
 
 				// Create the elements from string
 				html += '</dl></div>';
@@ -393,15 +425,16 @@
 				}
 				
 				// add sliders, adjust grids, add events
-				for(var i=0,l=tp_inst.units.length; i<l; i++){
+				for(i=0,l=tp_inst.units.length; i<l; i++){
 					litem = tp_inst.units[i];
 					uitem = litem.substr(0,1).toUpperCase() + litem.substr(1);
-					
+					show = o['show'+uitem] !== null? o['show'+uitem] : this.support[litem];
+
 					// add the slider
 					tp_inst[litem+'_slider'] = tp_inst.control.create(tp_inst, $tp.find('.ui_tpicker_'+litem+'_slider'), litem, tp_inst[litem], o[litem+'Min'], max[litem], o['step'+uitem]);
 
 					// adjust the grid and add click event
-					if (o['show'+uitem] && o[litem+'Grid'] > 0) {
+					if (show && o[litem+'Grid'] > 0) {
 						size = 100 * gridSize[litem] * o[litem+'Grid'] / (max[litem] - o[litem+'Min']);
 						$tp.find('.ui_tpicker_'+litem+' table').css({
 							width: size + "%",
@@ -430,8 +463,7 @@
 
 								tp_inst._onTimeChange();
 								tp_inst._onSelectHandler();
-							})
-						.css({
+							}).css({
 								cursor: 'pointer',
 								width: (100 / gridSize[litem]) + '%',
 								textAlign: 'center',
@@ -447,23 +479,22 @@
 					return $("<option />").val(typeof val == "object" ? val.value : val).text(typeof val == "object" ? val.label : val);
 				}));
 				if (typeof(this.timezone) != "undefined" && this.timezone !== null && this.timezone !== "") {
-					var local_date = new Date(this.inst.selectedYear, this.inst.selectedMonth, this.inst.selectedDay, 12);
-					var local_timezone = $.timepicker.timeZoneOffsetString(local_date);
+					var local_timezone = (new Date(this.inst.selectedYear, this.inst.selectedMonth, this.inst.selectedDay, 12)).getTimezoneOffset()*-1;
 					if (local_timezone == this.timezone) {
-						selectLocalTimeZone(tp_inst);
+						selectLocalTimezone(tp_inst);
 					} else {
 						this.timezone_select.val(this.timezone);
 					}
 				} else {
 					if (typeof(this.hour) != "undefined" && this.hour !== null && this.hour !== "") {
-						this.timezone_select.val(o.defaultTimezone);
+						this.timezone_select.val(o.timezone);
 					} else {
-						selectLocalTimeZone(tp_inst);
+						selectLocalTimezone(tp_inst);
 					}
 				}
 				this.timezone_select.change(function() {
-					tp_inst._defaults.useLocalTimezone = false;
 					tp_inst._onTimeChange();
+					tp_inst._onSelectHandler();
 				});
 				// End timezone options
 				
@@ -512,6 +543,7 @@
 				}
 				// end slideAccess integration
 
+				tp_inst._limitMinMaxDateTime(this.inst, true);
 			}
 		},
 
@@ -531,11 +563,12 @@
 				var minDateTime = $.datepicker._get(dp_inst, 'minDateTime'),
 					minDateTimeDate = new Date(minDateTime.getFullYear(), minDateTime.getMonth(), minDateTime.getDate(), 0, 0, 0, 0);
 
-				if (this.hourMinOriginal === null || this.minuteMinOriginal === null || this.secondMinOriginal === null || this.millisecMinOriginal === null) {
+				if (this.hourMinOriginal === null || this.minuteMinOriginal === null || this.secondMinOriginal === null || this.millisecMinOriginal === null || this.microsecMinOriginal === null) {
 					this.hourMinOriginal = o.hourMin;
 					this.minuteMinOriginal = o.minuteMin;
 					this.secondMinOriginal = o.secondMin;
 					this.millisecMinOriginal = o.millisecMin;
+					this.microsecMinOriginal = o.microsecMin;
 				}
 
 				if (dp_inst.settings.timeOnly || minDateTimeDate.getTime() == dp_date.getTime()) {
@@ -549,26 +582,36 @@
 							if (this.second <= this._defaults.secondMin) {
 								this.second = this._defaults.secondMin;
 								this._defaults.millisecMin = minDateTime.getMilliseconds();
-							} else {
-								if (this.millisec < this._defaults.millisecMin) {
+								if(this.millisec <= this._defaults.millisecMin) {
 									this.millisec = this._defaults.millisecMin;
+									this._defaults.microsecMin = minDateTime.getMicroseconds();
+								} else {
+									if (this.microsec < this._defaults.microsecMin) {
+										this.microsec = this._defaults.microsecMin;
+									}
+									this._defaults.microsecMin = this.microsecMinOriginal;
 								}
+							} else {
 								this._defaults.millisecMin = this.millisecMinOriginal;
+								this._defaults.microsecMin = this.microsecMinOriginal;
 							}
 						} else {
 							this._defaults.secondMin = this.secondMinOriginal;
 							this._defaults.millisecMin = this.millisecMinOriginal;
+							this._defaults.microsecMin = this.microsecMinOriginal;
 						}
 					} else {
 						this._defaults.minuteMin = this.minuteMinOriginal;
 						this._defaults.secondMin = this.secondMinOriginal;
 						this._defaults.millisecMin = this.millisecMinOriginal;
+						this._defaults.microsecMin = this.microsecMinOriginal;
 					}
 				} else {
 					this._defaults.hourMin = this.hourMinOriginal;
 					this._defaults.minuteMin = this.minuteMinOriginal;
 					this._defaults.secondMin = this.secondMinOriginal;
 					this._defaults.millisecMin = this.millisecMinOriginal;
+					this._defaults.microsecMin = this.microsecMinOriginal;
 				}
 			}
 
@@ -576,11 +619,12 @@
 				var maxDateTime = $.datepicker._get(dp_inst, 'maxDateTime'),
 					maxDateTimeDate = new Date(maxDateTime.getFullYear(), maxDateTime.getMonth(), maxDateTime.getDate(), 0, 0, 0, 0);
 
-				if (this.hourMaxOriginal === null || this.minuteMaxOriginal === null || this.secondMaxOriginal === null) {
+				if (this.hourMaxOriginal === null || this.minuteMaxOriginal === null || this.secondMaxOriginal === null || this.millisecMaxOriginal === null) {
 					this.hourMaxOriginal = o.hourMax;
 					this.minuteMaxOriginal = o.minuteMax;
 					this.secondMaxOriginal = o.secondMax;
 					this.millisecMaxOriginal = o.millisecMax;
+					this.microsecMaxOriginal = o.microsecMax;
 				}
 
 				if (dp_inst.settings.timeOnly || maxDateTimeDate.getTime() == dp_date.getTime()) {
@@ -591,25 +635,39 @@
 						if (this.minute >= this._defaults.minuteMax) {
 							this.minute = this._defaults.minuteMax;
 							this._defaults.secondMax = maxDateTime.getSeconds();
-						} else if (this.second >= this._defaults.secondMax) {
-							this.second = this._defaults.secondMax;
-							this._defaults.millisecMax = maxDateTime.getMilliseconds();
-						} else {
-							if (this.millisec > this._defaults.millisecMax) {
-								this.millisec = this._defaults.millisecMax;
+							if (this.second >= this._defaults.secondMax) {
+								this.second = this._defaults.secondMax;
+								this._defaults.millisecMax = maxDateTime.getMilliseconds();
+								if (this.millisec >= this._defaults.millisecMax) {
+									this.millisec = this._defaults.millisecMax;
+									this._defaults.microsecMax = maxDateTime.getMicroseconds();
+								} else {
+									if (this.microsec > this._defaults.microsecMax) {
+										this.microsec = this._defaults.microsecMax;
+									}
+									this._defaults.microsecMax = this.microsecMaxOriginal;
+								}
+							} else {
+								this._defaults.millisecMax = this.millisecMaxOriginal;
+								this._defaults.microsecMax = this.microsecMaxOriginal;
 							}
+						} else {
+							this._defaults.secondMax = this.secondMaxOriginal;
 							this._defaults.millisecMax = this.millisecMaxOriginal;
+							this._defaults.microsecMax = this.microsecMaxOriginal;
 						}
 					} else {
 						this._defaults.minuteMax = this.minuteMaxOriginal;
 						this._defaults.secondMax = this.secondMaxOriginal;
 						this._defaults.millisecMax = this.millisecMaxOriginal;
+						this._defaults.microsecMax = this.microsecMaxOriginal;
 					}
 				} else {
 					this._defaults.hourMax = this.hourMaxOriginal;
 					this._defaults.minuteMax = this.minuteMaxOriginal;
 					this._defaults.secondMax = this.secondMaxOriginal;
 					this._defaults.millisecMax = this.millisecMaxOriginal;
+					this._defaults.microsecMax = this.microsecMaxOriginal;
 				}
 			}
 
@@ -618,22 +676,27 @@
 					minMax = parseInt((this._defaults.minuteMax - ((this._defaults.minuteMax - this._defaults.minuteMin) % this._defaults.stepMinute)), 10),
 					secMax = parseInt((this._defaults.secondMax - ((this._defaults.secondMax - this._defaults.secondMin) % this._defaults.stepSecond)), 10),
 					millisecMax = parseInt((this._defaults.millisecMax - ((this._defaults.millisecMax - this._defaults.millisecMin) % this._defaults.stepMillisec)), 10);
+					microsecMax = parseInt((this._defaults.microsecMax - ((this._defaults.microsecMax - this._defaults.microsecMin) % this._defaults.stepMicrosec)), 10);
 
 				if (this.hour_slider) {
 					this.control.options(this, this.hour_slider, 'hour', { min: this._defaults.hourMin, max: hourMax });
-					this.control.value(this, this.hour_slider, 'hour', this.hour);
+					this.control.value(this, this.hour_slider, 'hour', this.hour - (this.hour % this._defaults.stepHour));
 				}
 				if (this.minute_slider) {
 					this.control.options(this, this.minute_slider, 'minute', { min: this._defaults.minuteMin, max: minMax });
-					this.control.value(this, this.minute_slider, 'minute', this.minute);
+					this.control.value(this, this.minute_slider, 'minute', this.minute - (this.minute % this._defaults.stepMinute));
 				}
 				if (this.second_slider) {
 					this.control.options(this, this.second_slider, 'second', { min: this._defaults.secondMin, max: secMax });
-					this.control.value(this, this.second_slider, 'second', this.second);
+					this.control.value(this, this.second_slider, 'second', this.second - (this.second % this._defaults.stepSecond));
 				}
 				if (this.millisec_slider) {
 					this.control.options(this, this.millisec_slider, 'millisec', { min: this._defaults.millisecMin, max: millisecMax });
-					this.control.value(this, this.millisec_slider, 'millisec', this.millisec);
+					this.control.value(this, this.millisec_slider, 'millisec', this.millisec - (this.millisec % this._defaults.stepMillisec));
+				}
+				if (this.microsec_slider) {
+					this.control.options(this, this.microsec_slider, 'microsec', { min: this._defaults.microsecMin, max: microsecMax });
+					this.control.value(this, this.microsec_slider, 'microsec', this.microsec - (this.microsec % this._defaults.stepMicrosec));
 				}
 			}
 
@@ -648,6 +711,7 @@
 				minute = (this.minute_slider) ? this.control.value(this, this.minute_slider, 'minute') : false,
 				second = (this.second_slider) ? this.control.value(this, this.second_slider, 'second') : false,
 				millisec = (this.millisec_slider) ? this.control.value(this, this.millisec_slider, 'millisec') : false,
+				microsec = (this.microsec_slider) ? this.control.value(this, this.microsec_slider, 'microsec') : false,
 				timezone = (this.timezone_select) ? this.timezone_select.val() : false,
 				o = this._defaults,
 				pickerTimeFormat = o.pickerTimeFormat || o.timeFormat,
@@ -665,6 +729,9 @@
 			if (typeof(millisec) == 'object') {
 				millisec = false;
 			}
+			if (typeof(microsec) == 'object') {
+				microsec = false;
+			}
 			if (typeof(timezone) == 'object') {
 				timezone = false;
 			}
@@ -681,14 +748,17 @@
 			if (millisec !== false) {
 				millisec = parseInt(millisec, 10);
 			}
+			if (microsec !== false) {
+				microsec = parseInt(microsec, 10);
+			}
 
 			var ampm = o[hour < 12 ? 'amNames' : 'pmNames'][0];
 
 			// If the update was done in the input field, the input field should not be updated.
 			// If the update was done using the sliders, update the input field.
-			var hasChanged = (hour != this.hour || minute != this.minute || second != this.second || millisec != this.millisec 
+			var hasChanged = (hour != this.hour || minute != this.minute || second != this.second || millisec != this.millisec || microsec != this.microsec 
 								|| (this.ampm.length > 0 && (hour < 12) != ($.inArray(this.ampm.toUpperCase(), this.amNames) !== -1)) 
-								|| ((this.timezone === null && timezone != this.defaultTimezone) || (this.timezone !== null && timezone != this.timezone)));
+								|| (this.timezone !== null && timezone != this.timezone));
 
 			if (hasChanged) {
 
@@ -704,6 +774,9 @@
 				if (millisec !== false) {
 					this.millisec = millisec;
 				}
+				if (microsec !== false) {
+					this.microsec = microsec;
+				}
 				if (timezone !== false) {
 					this.timezone = timezone;
 				}
@@ -714,7 +787,7 @@
 
 				this._limitMinMaxDateTime(this.inst, true);
 			}
-			if (useAmpm(o.timeFormat)) {
+			if (this.support.ampm) {
 				this.ampm = ampm;
 			}
 
@@ -752,12 +825,20 @@
 		*/
 		_updateDateTime: function(dp_inst) {
 			dp_inst = this.inst || dp_inst;
-			var dt = $.datepicker._daylightSavingAdjust(new Date(dp_inst.selectedYear, dp_inst.selectedMonth, dp_inst.selectedDay)),
+			//var dt = $.datepicker._daylightSavingAdjust(new Date(dp_inst.selectedYear, dp_inst.selectedMonth, dp_inst.selectedDay)),
+			var dt = $.datepicker._daylightSavingAdjust(new Date(dp_inst.currentYear, dp_inst.currentMonth, dp_inst.currentDay)),
 				dateFmt = $.datepicker._get(dp_inst, 'dateFormat'),
 				formatCfg = $.datepicker._getFormatConfig(dp_inst),
 				timeAvailable = dt !== null && this.timeDefined;
 			this.formattedDate = $.datepicker.formatDate(dateFmt, (dt === null ? new Date() : dt), formatCfg);
 			var formattedDateTime = this.formattedDate;
+			
+			// if a slider was changed but datepicker doesn't have a value yet, set it
+			if(dp_inst.lastVal===""){
+                dp_inst.currentYear=dp_inst.selectedYear;
+                dp_inst.currentMonth=dp_inst.selectedMonth;
+                dp_inst.currentDay=dp_inst.selectedDay;
+            }
 
 			/*
 			* remove following lines to force every changes in date picker to change the input value
@@ -778,7 +859,7 @@
 
 			if (!this._defaults.showTimepicker) {
 				this.$input.val(this.formattedDate);
-			} else if (this.$altInput && this._defaults.altFieldTimeOnly === true) {
+			} else if (this.$altInput && this._defaults.timeOnly === false && this._defaults.altFieldTimeOnly === true) {
 				this.$altInput.val(this.formattedTime);
 				this.$input.val(this.formattedDate);
 			} else if (this.$altInput) {
@@ -786,12 +867,26 @@
 				var altFormattedDateTime = '',
 					altSeparator = this._defaults.altSeparator ? this._defaults.altSeparator : this._defaults.separator,
 					altTimeSuffix = this._defaults.altTimeSuffix ? this._defaults.altTimeSuffix : this._defaults.timeSuffix;
+				
+				if(!this._defaults.timeOnly){
+					if (this._defaults.altFormat){
+						altFormattedDateTime = $.datepicker.formatDate(this._defaults.altFormat, (dt === null ? new Date() : dt), formatCfg);
+					}
+					else{
+						altFormattedDateTime = this.formattedDate;
+					}
 
-				if (this._defaults.altFormat) altFormattedDateTime = $.datepicker.formatDate(this._defaults.altFormat, (dt === null ? new Date() : dt), formatCfg);
-				else altFormattedDateTime = this.formattedDate;
-				if (altFormattedDateTime) altFormattedDateTime += altSeparator;
-				if (this._defaults.altTimeFormat) altFormattedDateTime += $.datepicker.formatTime(this._defaults.altTimeFormat, this, this._defaults) + altTimeSuffix;
-				else altFormattedDateTime += this.formattedTime + altTimeSuffix;
+					if (altFormattedDateTime){
+						altFormattedDateTime += altSeparator;
+					}
+				}
+
+				if(this._defaults.altTimeFormat){
+					altFormattedDateTime += $.datepicker.formatTime(this._defaults.altTimeFormat, this, this._defaults) + altTimeSuffix;
+				}
+				else{
+					altFormattedDateTime += this.formattedTime + altTimeSuffix;
+				}
 				this.$altInput.val(altFormattedDateTime);
 			} else {
 				this.$input.val(formattedDateTime);
@@ -810,7 +905,7 @@
 						try {
 							$.datepicker._updateDatepicker(inst);
 						} catch (err) {
-							$.datepicker.log(err);
+							$.timepicker.log(err);
 						}
 					}
 				}
@@ -845,8 +940,9 @@
 					if(tp_inst._defaults.isRTL){
 						if(typeof(opts) == 'string'){
 							if(opts == 'min' || opts == 'max'){
-								if(val !== undefined)
+								if(val !== undefined){
 									return obj.slider(opts, val*-1);
+								}
 								return Math.abs(obj.slider(opts));
 							}
 							return obj.slider(opts);
@@ -854,24 +950,29 @@
 						var min = opts.min, 
 							max = opts.max;
 						opts.min = opts.max = null;
-						if(min !== undefined)
+						if(min !== undefined){
 							opts.max = min * -1;
-						if(max !== undefined)
+						}
+						if(max !== undefined){
 							opts.min = max * -1;
+						}
 						return obj.slider(opts);
 					}
-					if(typeof(opts) == 'string' && val !== undefined)
+					if(typeof(opts) == 'string' && val !== undefined){
 							return obj.slider(opts, val);
+					}
 					return obj.slider(opts);
 				},
 				value: function(tp_inst, obj, unit, val){
 					if(tp_inst._defaults.isRTL){
-						if(val !== undefined)
+						if(val !== undefined){
 							return obj.slider('value', val*-1);
+						}
 						return Math.abs(obj.slider('value'));
 					}
-					if(val !== undefined)
+					if(val !== undefined){
 						return obj.slider('value', val);
+					}
 					return obj.slider('value');
 				}
 			},
@@ -879,15 +980,15 @@
 			select: {
 				create: function(tp_inst, obj, unit, val, min, max, step){
 					var sel = '<select class="ui-timepicker-select" data-unit="'+ unit +'" data-min="'+ min +'" data-max="'+ max +'" data-step="'+ step +'">',
-						ul = tp_inst._defaults.timeFormat.indexOf('t') !== -1? 'toLowerCase':'toUpperCase',
-						m = 0;
+						format = tp_inst._defaults.pickerTimeFormat || tp_inst._defaults.timeFormat;
 
 					for(var i=min; i<=max; i+=step){						
 						sel += '<option value="'+ i +'"'+ (i==val? ' selected':'') +'>';
-						if(unit == 'hour' && useAmpm(tp_inst._defaults.pickerTimeFormat || tp_inst._defaults.timeFormat))
-							sel += $.datepicker.formatTime("hh TT", {hour:i}, tp_inst._defaults);
-						else if(unit == 'millisec' || i >= 10) sel += i;
-						else sel += '0'+ i.toString();
+						if(unit == 'hour'){
+							sel += $.datepicker.formatTime($.trim(format.replace(/[^ht ]/ig,'')), {hour:i}, tp_inst._defaults);
+						}
+						else if(unit == 'millisec' || unit == 'microsec' || i >= 10){ sel += i; }
+						else {sel += '0'+ i.toString(); }
 						sel += '</option>';
 					}
 					sel += '</select>';
@@ -905,17 +1006,19 @@
 					var o = {},
 						$t = obj.children('select');
 					if(typeof(opts) == 'string'){
-						if(val === undefined)
+						if(val === undefined){
 							return $t.data(opts);
+						}
 						o[opts] = val;	
 					}
-					else o = opts;
+					else{ o = opts; }
 					return tp_inst.control.create(tp_inst, obj, $t.data('unit'), $t.val(), o.min || $t.data('min'), o.max || $t.data('max'), o.step || $t.data('step'));
 				},
 				value: function(tp_inst, obj, unit, val){
 					var $t = obj.children('select');
-					if(val !== undefined)
+					if(val !== undefined){
 						return $t.val(val);
+					}
 					return $t.val();
 				}
 			}
@@ -975,6 +1078,7 @@
 		if (parseRes.timeObj) {
 			var t = parseRes.timeObj;
 			parseRes.date.setHours(t.hour, t.minute, t.second, t.millisec);
+			parseRes.date.setMicroseconds(t.microsec);
 		}
 
 		return parseRes.date;
@@ -984,7 +1088,8 @@
 	* Public utility to parse time
 	*/
 	$.datepicker.parseTime = function(timeFormat, timeString, options) {		
-		var o = extendRemove(extendRemove({}, $.timepicker._defaults), options || {});
+		var o = extendRemove(extendRemove({}, $.timepicker._defaults), options || {}),
+			iso8601 = (timeFormat.replace(/\'.*?\'/g,'').indexOf('Z') !== -1);
 
 		// Strict parse requires the timeString to match the timeFormat exactly
 		var strictParse = function(f, s, o){
@@ -1006,12 +1111,13 @@
 
 			// figure out position of time elements.. cause js cant do named captures
 			var getFormatPositions = function(timeFormat) {
-				var finds = timeFormat.toLowerCase().match(/(h{1,2}|m{1,2}|s{1,2}|l{1}|t{1,2}|z|'.*?')/g),
+				var finds = timeFormat.toLowerCase().match(/(h{1,2}|m{1,2}|s{1,2}|l{1}|c{1}|t{1,2}|z|'.*?')/g),
 					orders = {
 						h: -1,
 						m: -1,
 						s: -1,
 						l: -1,
+						c: -1,
 						t: -1,
 						z: -1
 					};
@@ -1027,12 +1133,14 @@
 			};
 
 			var regstr = '^' + f.toString()
-					.replace(/([hH]{1,2}|mm?|ss?|[tT]{1,2}|[lz]|'.*?')/g, function (match) {
+					.replace(/([hH]{1,2}|mm?|ss?|[tT]{1,2}|[zZ]|[lc]|'.*?')/g, function (match) {
+							var ml = match.length;
 							switch (match.charAt(0).toLowerCase()) {
-								case 'h': return '(\\d?\\d)';
-								case 'm': return '(\\d?\\d)';
-								case 's': return '(\\d?\\d)';
+								case 'h': return ml === 1? '(\\d?\\d)':'(\\d{'+ml+'})';
+								case 'm': return ml === 1? '(\\d?\\d)':'(\\d{'+ml+'})';
+								case 's': return ml === 1? '(\\d?\\d)':'(\\d{'+ml+'})';
 								case 'l': return '(\\d?\\d?\\d)';
+								case 'c': return '(\\d?\\d?\\d)';
 								case 'z': return '(z|[-+]\\d\\d:?\\d\\d|\\S+)?';
 								case 't': return getPatternAmpm(o.amNames, o.pmNames);
 								default:    // literal escaped in quotes
@@ -1051,7 +1159,8 @@
 				hour: 0,
 				minute: 0,
 				second: 0,
-				millisec: 0
+				millisec: 0,
+				microsec: 0
 			};
 
 			if (treg) {
@@ -1086,31 +1195,11 @@
 				if (order.l !== -1) {
 					resTime.millisec = Number(treg[order.l]);
 				}
+				if (order.c !== -1) {
+					resTime.microsec = Number(treg[order.c]);
+				}
 				if (order.z !== -1 && treg[order.z] !== undefined) {
-					var tz = treg[order.z].toUpperCase();
-					switch (tz.length) {
-					case 1:
-						// Z
-						tz = o.timezoneIso8601 ? 'Z' : '+0000';
-						break;
-					case 5:
-						// +hhmm
-						if (o.timezoneIso8601) {
-							tz = tz.substring(1) == '0000' ? 'Z' : tz.substring(0, 3) + ':' + tz.substring(3);
-						}
-						break;
-					case 6:
-						// +hh:mm
-						if (!o.timezoneIso8601) {
-							tz = tz == 'Z' || tz.substring(1) == '00:00' ? '+0000' : tz.replace(/:/, '');
-						} else {
-							if (tz.substring(1) == '00:00') {
-								tz = 'Z';
-							}
-						}
-						break;
-					}
-					resTime.timezone = tz;
+					resTime.timezone = $.timepicker.timezoneOffsetNumber(treg[order.z]);
 				}
 
 
@@ -1123,12 +1212,23 @@
 		var looseParse = function(f,s,o){
 			try{
 				var d = new Date('2012-01-01 '+ s);
+				if(isNaN(d.getTime())){
+					d = new Date('2012-01-01T'+ s);
+					if(isNaN(d.getTime())){
+						d = new Date('01/01/2012 '+ s);
+						if(isNaN(d.getTime())){
+							throw "Unable to parse time with native Date: "+ s;
+						}
+					}
+				}
+
 				return {
 					hour: d.getHours(),
-					minutes: d.getMinutes(),
-					seconds: d.getSeconds(),
+					minute: d.getMinutes(),
+					second: d.getSeconds(),
 					millisec: d.getMilliseconds(),
-					timezone: $.timepicker.timeZoneOffsetString(d)
+					microsec: d.getMicroseconds(),
+					timezone: d.getTimezoneOffset()*-1
 				};
 			}
 			catch(err){
@@ -1136,14 +1236,14 @@
 					return strictParse(f,s,o);
 				}
 				catch(err2){
-					$.datepicker.log("Unable to parse \ntimeString: "+ s +"\ntimeFormat: "+ f);
+					$.timepicker.log("Unable to parse \ntimeString: "+ s +"\ntimeFormat: "+ f);
 				}				
 			}
 			return false;
 		}; // end looseParse
 		
 		if(typeof o.parse === "function"){
-			return o.parse(timeFormat, timeString, o)
+			return o.parse(timeFormat, timeString, o);
 		}
 		if(o.parse === 'loose'){
 			return looseParse(timeFormat, timeString, o);
@@ -1165,7 +1265,7 @@
 			minute: 0,
 			second: 0,
 			millisec: 0,
-			timezone: '+0000'
+			timezone: 0
 		}, time);
 
 		var tmptime = format,
@@ -1176,7 +1276,7 @@
 			ampmName = options.pmNames[0];
 		}
 
-		tmptime = tmptime.replace(/(?:HH?|hh?|mm?|ss?|[tT]{1,2}|[lz]|('.*?'|".*?"))/g, function(match) {
+		tmptime = tmptime.replace(/(?:HH?|hh?|mm?|ss?|[tT]{1,2}|[zZ]|[lc]|('.*?'|".*?"))/g, function(match) {
 		switch (match) {
 			case 'HH':
 				return ('0' + hour).slice(-2);
@@ -1196,8 +1296,12 @@
 				return time.second;
 			case 'l':
 				return ('00' + time.millisec).slice(-3);
+			case 'c':
+				return ('00' + time.microsec).slice(-3);
 			case 'z':
-				return time.timezone === null? options.defaultTimezone : time.timezone;
+				return $.timepicker.timezoneOffsetString(time.timezone === null? options.timezone : time.timezone, false);
+			case 'Z':
+				return $.timepicker.timezoneOffsetString(time.timezone === null? options.timezone : time.timezone, true);
 			case 'T': 
 				return ampmName.charAt(0).toUpperCase();
 			case 'TT': 
@@ -1258,12 +1362,6 @@
 			var tp_inst = this._get(inst, 'timepicker');
 			if (tp_inst) {
 				tp_inst._addTimePicker(inst);
-
-				if (tp_inst._defaults.useLocalTimezone) { //checks daylight saving with the new date.
-					var date = new Date(inst.selectedYear, inst.selectedMonth, inst.selectedDay, 12);
-					selectLocalTimeZone(tp_inst, date);
-					tp_inst._onTimeChange();
-				}
 			}
 		}
 	};
@@ -1278,7 +1376,8 @@
 
 		if (tp_inst) {
 			if ($.datepicker._get(inst, 'constrainInput')) {
-				var ampm = useAmpm(tp_inst._defaults.timeFormat),
+				var ampm = tp_inst.support.ampm,
+					tz = tp_inst._defaults.showTimezone !== null? tp_inst._defaults.showTimezone : tp_inst.support.timezone,					
 					dateChars = $.datepicker._possibleChars($.datepicker._get(inst, 'dateFormat')),
 					datetimeChars = tp_inst._defaults.timeFormat.toString()
 											.replace(/[hms]/g, '')
@@ -1290,7 +1389,7 @@
 											.replace(/t/g, ampm ? 'ap' : '') + 
 											" " + tp_inst._defaults.separator + 
 											tp_inst._defaults.timeSuffix + 
-											(tp_inst._defaults.showTimezone ? tp_inst._defaults.timezoneList.join('') : '') + 
+											(tz ? tp_inst._defaults.timezoneList.join('') : '') + 
 											(tp_inst._defaults.amNames.join('')) + (tp_inst._defaults.pmNames.join('')) + 
 											dateChars,
 					chr = String.fromCharCode(event.charCode === undefined ? event.keyCode : event.charCode);
@@ -1320,10 +1419,13 @@
 					altTimeFormat = tp_inst._defaults.altTimeFormat !== null ? tp_inst._defaults.altTimeFormat : tp_inst._defaults.timeFormat;
 				
 				altFormattedDateTime += $.datepicker.formatTime(altTimeFormat, tp_inst, tp_inst._defaults) + altTimeSuffix;
-				if(!tp_inst._defaults.timeOnly && !tp_inst._defaults.altFieldTimeOnly){
-					if(tp_inst._defaults.altFormat)
-						altFormattedDateTime = $.datepicker.formatDate(tp_inst._defaults.altFormat, (date === null ? new Date() : date), formatCfg) + altSeparator + altFormattedDateTime;
-					else altFormattedDateTime = tp_inst.formattedDate + altSeparator + altFormattedDateTime;
+				if(!tp_inst._defaults.timeOnly && !tp_inst._defaults.altFieldTimeOnly && date !== null){
+					if(tp_inst._defaults.altFormat){
+						altFormattedDateTime = $.datepicker.formatDate(tp_inst._defaults.altFormat, date, formatCfg) + altSeparator + altFormattedDateTime;
+					}
+					else{
+						altFormattedDateTime = tp_inst.formattedDate + altSeparator + altFormattedDateTime;
+					}
 				}
 				$(altField).val(altFormattedDateTime);
 			}
@@ -1346,7 +1448,7 @@
 				try {
 					$.datepicker._updateDatepicker(inst);
 				} catch (err) {
-					$.datepicker.log(err);
+					$.timepicker.log(err);
 				}
 			}
 		}
@@ -1363,7 +1465,7 @@
 			$dp = inst.dpDiv;
 		this._base_gotoToday(id);
 		var tp_inst = this._get(inst, 'timepicker');
-		selectLocalTimeZone(tp_inst);
+		selectLocalTimezone(tp_inst);
 		var now = new Date();
 		this._setTime(inst, now);
 		$('.ui-datepicker-today', $dp).click();
@@ -1414,6 +1516,7 @@
 			tp_inst.minute = date ? date.getMinutes() : defaults.minute;
 			tp_inst.second = date ? date.getSeconds() : defaults.second;
 			tp_inst.millisec = date ? date.getMilliseconds() : defaults.millisec;
+			tp_inst.microsec = date ? date.getMicroseconds() : defaults.microsec;
 
 			//check if within min/max times.. 
 			tp_inst._limitMinMaxDateTime(inst, true);
@@ -1442,8 +1545,10 @@
 					tp_inst._parseTime(date, withDate);
 					tp_date = new Date();
 					tp_date.setHours(tp_inst.hour, tp_inst.minute, tp_inst.second, tp_inst.millisec);
+					tp_date.setMicroseconds(tp_inst.microsec);
 				} else {
 					tp_date = new Date(date.getTime());
+					tp_date.setMicroseconds(date.getMicroseconds());
 				}
 				if (tp_date.toString() == 'Invalid Date') {
 					tp_date = undefined;
@@ -1464,7 +1569,34 @@
 			return;
 		}
 
-		var tp_date = (date instanceof Date) ? new Date(date.getTime()) : date;
+		if(typeof(date) === 'string'){
+			date = new Date(date);
+			if(!date.getTime()){
+				$.timepicker.log("Error creating Date object from string.");
+			}
+		}
+
+		var tp_inst = this._get(inst, 'timepicker');
+		var tp_date;
+		if (date instanceof Date) {
+			tp_date = new Date(date.getTime());
+			tp_date.setMicroseconds(date.getMicroseconds());
+		} else {
+			tp_date = date;
+		}
+		
+		// This is important if you are using the timezone option, javascript's Date 
+		// object will only return the timezone offset for the current locale, so we 
+		// adjust it accordingly.  If not using timezone option this won't matter..
+		// If a timezone is different in tp, keep the timezone as is
+		if(tp_inst){
+			// look out for DST if tz wasn't specified
+			if(!tp_inst.support.timezone && tp_inst._defaults.timezone === null){
+				tp_inst.timezone = tp_date.getTimezoneOffset()*-1;
+			}
+			date = $.timepicker.timezoneAdjust(date, tp_inst.timezone);
+			tp_date = $.timepicker.timezoneAdjust(tp_date, tp_inst.timezone);
+		}
 
 		this._updateDatepicker(inst);
 		this._base_setDateDatepicker.apply(this, arguments);
@@ -1492,6 +1624,18 @@
 			var date = this._getDate(inst);
 			if (date && tp_inst._parseTime($(target).val(), tp_inst.timeOnly)) {
 				date.setHours(tp_inst.hour, tp_inst.minute, tp_inst.second, tp_inst.millisec);
+				date.setMicroseconds(tp_inst.microsec);
+
+				// This is important if you are using the timezone option, javascript's Date 
+				// object will only return the timezone offset for the current locale, so we 
+				// adjust it accordingly.  If not using timezone option this won't matter..
+				if(tp_inst.timezone != null){
+					// look out for DST if tz wasn't specified
+					if(!tp_inst.support.timezone && tp_inst._defaults.timezone === null){
+						tp_inst.timezone = date.getTimezoneOffset()*-1;
+					}
+					date = $.timepicker.timezoneAdjust(date, tp_inst.timezone);
+				}
 			}
 			return date;
 		}
@@ -1511,8 +1655,12 @@
 			// Hack!  The error message ends with a colon, a space, and
 			// the "extra" characters.  We rely on that instead of
 			// attempting to perfectly reproduce the parsing algorithm.
-			date = this._base_parseDate(format, value.substring(0,value.length-(err.length-err.indexOf(':')-2)), settings);
-			$.datepicker.log("Error parsing the date string: " + err + "\ndate string = " + value + "\ndate format = " + format);
+			if (err.indexOf(":") >= 0) {
+				date = this._base_parseDate(format, value.substring(0,value.length-(err.length-err.indexOf(':')-2)), settings);
+				$.timepicker.log("Error parsing the date string: " + err + "\ndate string = " + value + "\ndate format = " + format);
+			} else {
+				throw err;
+			}
 		}
 		return date;
 	};
@@ -1612,6 +1760,7 @@
 		}
 		return this._base_optionDatepicker.call($.datepicker, target, name_clone || name, value);
 	};
+	
 	/*
 	* jQuery isEmptyObject does not check hasOwnProperty - if someone has added to the object prototype,
 	* it will return false for all objects
@@ -1640,11 +1789,24 @@
 	};
 
 	/*
-	* Determine by the time format if should use ampm
-	* Returns true if should use ampm, false if not
+	* Determine by the time format which units are supported
+	* Returns an object of booleans for each unit
 	*/
-	var useAmpm = function(timeFormat){
-		return (timeFormat.indexOf('t') !== -1 && timeFormat.indexOf('h') !== -1);
+	var detectSupport = function(timeFormat){
+		var tf = timeFormat.replace(/\'.*?\'/g,'').toLowerCase(), // removes literals
+			isIn = function(f, t){ // does the format contain the token?
+					return f.indexOf(t) !== -1? true:false; 
+				};
+		return {
+				hour: isIn(tf,'h'),
+				minute: isIn(tf,'m'),
+				second: isIn(tf,'s'),
+				millisec: isIn(tf,'l'),
+				microsec: isIn(tf,'c'),
+				timezone: isIn(tf,'z'),
+				ampm: isIn(tf,'t') && isIn(timeFormat,'h'),
+				iso8601: isIn(timeFormat, 'Z')
+			};
 	};
 
 	/*
@@ -1656,7 +1818,7 @@
 			hour = hour - 12;
 		}
 
-		if (hour == 0) {
+		if (hour === 0) {
 			hour = 12;
 		}
 
@@ -1687,7 +1849,7 @@
 			}
 
 		} catch (err) {
-			$.datepicker.log('Could not split the date from the time. Please check the following datetimepicker options' +
+			$.timepicker.log('Could not split the date from the time. Please check the following datetimepicker options' +
 					"\nthrown error: " + err +
 					"\ndateTimeString" + dateTimeString +
 					"\ndateFormat = " + dateFormat +
@@ -1714,7 +1876,7 @@
 	* Internal function to parse datetime interval
 	* Returns: {date: Date, timeObj: Object}, where
 	*   date - parsed date without time (type Date)
-	*   timeObj = {hour: , minute: , second: , millisec: } - parsed time. Optional
+	*   timeObj = {hour: , minute: , second: , millisec: , microsec: } - parsed time. Optional
 	*/
 	var parseDateTimeInternal = function(dateFormat, timeFormat, dateTimeString, dateSettings, timeSettings) {
 		var date;
@@ -1741,15 +1903,10 @@
 	/*
 	* Internal function to set timezone_select to the local timezone
 	*/
-	var selectLocalTimeZone = function(tp_inst, date) {
+	var selectLocalTimezone = function(tp_inst, date) {
 		if (tp_inst && tp_inst.timezone_select) {
-			tp_inst._defaults.useLocalTimezone = true;
 			var now = typeof date !== 'undefined' ? date : new Date();
-			var tzoffset = $.timepicker.timeZoneOffsetString(now);
-			if (tp_inst._defaults.timezoneIso8601) {
-				tzoffset = tzoffset.substring(0, 3) + ':' + tzoffset.substring(3);
-			}
-			tp_inst.timezone_select.val(tzoffset);
+			tp_inst.timezone_select.val(now.getTimezoneOffset()*-1);
 		}
 	};
 
@@ -1760,14 +1917,60 @@
 
 	/**
 	 * Get the timezone offset as string from a date object (eg '+0530' for UTC+5.5)
-	 * @param  date
+	 * @param  number if not a number this value is returned
+	 * @param boolean if true formats in accordance to iso8601 "+12:45"
 	 * @return string
 	 */
-	$.timepicker.timeZoneOffsetString = function(date) {
-		var off = date.getTimezoneOffset() * -1,
+	$.timepicker.timezoneOffsetString = function(tzMinutes, iso8601) {
+		if(isNaN(tzMinutes) || tzMinutes > 840){
+			return tzMinutes;
+		}
+
+		var off = tzMinutes,
 			minutes = off % 60,
-			hours = (off - minutes) / 60;
-		return (off >= 0 ? '+' : '-') + ('0' + (hours * 101).toString()).substr(-2) + ('0' + (minutes * 101).toString()).substr(-2);
+			hours = (off - minutes) / 60,
+			iso = iso8601? ':':'',
+			tz = (off >= 0 ? '+' : '-') + ('0' + (hours * 101).toString()).slice(-2) + iso + ('0' + (minutes * 101).toString()).slice(-2);
+		
+		if(tz == '+00:00'){
+			return 'Z';
+		}
+		return tz;
+	};
+
+	/**
+	 * Get the number in minutes that represents a timezone string
+	 * @param  string formated like "+0500", "-1245"
+	 * @return number
+	 */
+	$.timepicker.timezoneOffsetNumber = function(tzString) {
+		tzString = tzString.toString().replace(':',''); // excuse any iso8601, end up with "+1245"
+
+		if(tzString.toUpperCase() === 'Z'){ // if iso8601 with Z, its 0 minute offset
+			return 0;
+		}
+
+		if(!/^(\-|\+)\d{4}$/.test(tzString)){ // possibly a user defined tz, so just give it back
+			return tzString;
+		}
+
+		return ((tzString.substr(0,1) =='-'? -1 : 1) * // plus or minus
+					((parseInt(tzString.substr(1,2),10)*60) + // hours (converted to minutes)
+					parseInt(tzString.substr(3,2),10))); // minutes
+	};
+
+	/**
+	 * No way to set timezone in js Date, so we must adjust the minutes to compensate. (think setDate, getDate)
+	 * @param  date
+	 * @param  string formated like "+0500", "-1245"
+	 * @return date
+	 */
+	$.timepicker.timezoneAdjust = function(date, toTimezone) {
+		var toTz = $.timepicker.timezoneOffsetNumber(toTimezone);
+		if(!isNaN(toTz)){
+			date.setMinutes(date.getMinutes()*1 + (date.getTimezoneOffset()*-1 - toTz*1) );
+		}
+		return date;
 	};
 
 	/**
@@ -1793,8 +1996,8 @@
 	 * @param  string method Can be used to specify the type of picker to be added
 	 * @return jQuery
 	 */
-	$.timepicker.dateTimeRange = function(startTime, endTime, options) {
-		$.timepicker.dateRange(startTime, endTime, options, 'datetimepicker');
+	$.timepicker.datetimeRange = function(startTime, endTime, options) {
+		$.timepicker.handleRange('datetimepicker', startTime, endTime, options);
 	};
 
 	/**
@@ -1804,12 +2007,10 @@
 	 * @param  Element endTime
 	 * @param  obj options Options for the `timepicker()` call. Also supports `reformat`,
 	 *   a boolean value that can be used to reformat the input values to the `dateFormat`.
-	 * @param  string method Can be used to specify the type of picker to be added
 	 * @return jQuery
 	 */
-	$.timepicker.dateRange = function(startTime, endTime, options, method) {
-		method = method || 'datepicker';
-		$.timepicker.handleRange(method, startTime, endTime, options);
+	$.timepicker.dateRange = function(startTime, endTime, options) {
+		$.timepicker.handleRange('datepicker', startTime, endTime, options);
 	};
 
 	/**
@@ -1823,60 +2024,105 @@
 	 * @return jQuery
 	 */
 	$.timepicker.handleRange = function(method, startTime, endTime, options) {
+		options = $.extend({}, {
+			minInterval: 0, // min allowed interval in milliseconds
+			maxInterval: 0, // max allowed interval in milliseconds
+			start: {},      // options for start picker
+			end: {}         // options for end picker
+		}, options);
+
 		$.fn[method].call(startTime, $.extend({
 			onClose: function(dateText, inst) {
-				checkDates(this, endTime, dateText);
+				checkDates($(this), endTime);
 			},
 			onSelect: function(selectedDateTime) {
-				selected(this, endTime, 'minDate');
+				selected($(this), endTime, 'minDate');
 			}
 		}, options, options.start));
 		$.fn[method].call(endTime, $.extend({
 			onClose: function(dateText, inst) {
-				checkDates(this, startTime, dateText);
+				checkDates($(this), startTime);
 			},
 			onSelect: function(selectedDateTime) {
-				selected(this, startTime, 'maxDate');
+				selected($(this), startTime, 'maxDate');
 			}
 		}, options, options.end));
-		// timepicker doesn't provide access to its 'timeFormat' option, 
-		// nor could I get datepicker.formatTime() to behave with times, so I
-		// have disabled reformatting for timepicker
-		if (method != 'timepicker' && options.reformat) {
-			$([startTime, endTime]).each(function() {
-				var format = $(this)[method].call($(this), 'option', 'dateFormat'),
-					date = new Date($(this).val());
-				if ($(this).val() && date) {
-					$(this).val($.datepicker.formatDate(format, date));
-				}
-			});
-		}
-		checkDates(startTime, endTime, startTime.val());
 
-		function checkDates(changed, other, dateText) {
-			if (other.val() && (new Date(startTime.val()) > new Date(endTime.val()))) {
-				other.val(dateText);
-			}
-		}
+		checkDates(startTime, endTime);
 		selected(startTime, endTime, 'minDate');
 		selected(endTime, startTime, 'maxDate');
 
+		function checkDates(changed, other) {
+			var startdt = startTime[method]('getDate'),
+				enddt = endTime[method]('getDate'),
+				changeddt = changed[method]('getDate');
+
+			if(startdt !== null){
+				var minDate = new Date(startdt.getTime()),
+					maxDate = new Date(startdt.getTime());
+
+				minDate.setMilliseconds(minDate.getMilliseconds() + options.minInterval);
+				maxDate.setMilliseconds(maxDate.getMilliseconds() + options.maxInterval);
+
+				if(options.minInterval > 0 && minDate > enddt){ // minInterval check
+					endTime[method]('setDate',minDate);
+				}
+				else if(options.maxInterval > 0 && maxDate < enddt){ // max interval check
+					endTime[method]('setDate',maxDate);
+				}
+				else if (startdt > enddt) {
+					other[method]('setDate',changeddt);
+				}
+			}
+		}
+
 		function selected(changed, other, option) {
-			if (!$(changed).val()) {
+			if (!changed.val()) {
 				return;
 			}
-			var date = $(changed)[method].call($(changed), 'getDate');
-			// timepicker doesn't implement 'getDate' and returns a jQuery
+			var date = changed[method].call(changed, 'getDate');
+			if(date !== null && options.minInterval > 0){
+				if(option == 'minDate'){
+					date.setMilliseconds(date.getMilliseconds() + options.minInterval); 
+				}
+				if(option == 'maxDate'){
+					date.setMilliseconds(date.getMilliseconds() - options.minInterval);
+				}
+			}
 			if (date.getTime) {
-				$(other)[method].call($(other), 'option', option, date);
+				other[method].call(other, 'option', option, date);
 			}
 		}
 		return $([startTime.get(0), endTime.get(0)]);
 	};
 
+	/**
+	 * Log error or data to the console during error or debugging
+	 * @param  Object err pass any type object to log to the console during error or debugging
+	 * @return void
+	 */
+	$.timepicker.log = function(err){
+		if(window.console){
+			console.log(err);
+		}
+	};
+
+	/*
+	* Microsecond support
+	*/
+	if(!Date.prototype.getMicroseconds){
+		Date.prototype.microseconds = 0;
+		Date.prototype.getMicroseconds = function(){ return this.microseconds; };
+		Date.prototype.setMicroseconds = function(m){ 
+			this.setMilliseconds(this.getMilliseconds() + Math.floor(m/1000));
+			this.microseconds = m%1000;
+			return this;
+		};
+	}
+
 	/*
 	* Keep up with the version
 	*/
-	$.timepicker.version = "1.1.1";
+	$.timepicker.version = "1.3.1";
 
-})(jQuery);
\ No newline at end of file
+})(jQuery);