diff --git a/tests/visual/datepicker.html b/tests/visual/datepicker.html
index 8b51b4c130..214c2c8e5a 100644
--- a/tests/visual/datepicker.html
+++ b/tests/visual/datepicker.html
@@ -11,7 +11,7 @@
 	$(function() {
 		$('#d1').datepicker();
 		$('#d2').datepicker({numberOfMonths: 3, showButtonPanel: true});
-		$('#inl').datepicker({changeFirstDay: true});
+		$('#inl').datepicker();
 	});
 	</script>
 </head>
diff --git a/themes/base/ui.datepicker.css b/themes/base/ui.datepicker.css
index bfb3fb57c5..4df2e7e2a0 100644
--- a/themes/base/ui.datepicker.css
+++ b/themes/base/ui.datepicker.css
@@ -32,4 +32,12 @@
 .ui-datepicker-multi-4 .ui-datepicker-group { width:25%; }
 .ui-datepicker-multi .ui-datepicker-group-last .ui-datepicker-header { border-left:0; }
 .ui-datepicker-multi .ui-datepicker-group-middle .ui-datepicker-header { border-left:0; }
-.ui-datepicker-multi .ui-datepicker-buttonpane { clear:left; }
\ No newline at end of file
+.ui-datepicker-multi .ui-datepicker-buttonpane { clear:left; }
+
+/* RTL support */
+.ui-datepicker-rtl .ui-datepicker-prev { right: 2px; left: auto; }
+.ui-datepicker-rtl .ui-datepicker-next { left: 2px; right: auto; }
+.ui-datepicker-rtl .ui-datepicker-prev:hover { right: 1px; left: auto; }
+.ui-datepicker-rtl .ui-datepicker-next:hover { left: 1px; right: auto; }
+.ui-datepicker-rtl .ui-datepicker-buttonpane button { float: left; }
+.ui-datepicker-rtl .ui-datepicker-buttonpane button.ui-datepicker-current { float:right; }
\ No newline at end of file
diff --git a/ui/ui.datepicker.js b/ui/ui.datepicker.js
index bf607250e9..66d71f00fe 100644
--- a/ui/ui.datepicker.js
+++ b/ui/ui.datepicker.js
@@ -1343,7 +1343,7 @@ $.extend(Datepicker.prototype, {
 			this._getFormatConfig(inst)));
 		var prev = (this._canAdjustMonth(inst, -1, drawYear, drawMonth) ?
 			'<a class="ui-datepicker-prev ui-corner-all" onclick="jQuery.datepicker._adjustDate(\'#' + inst.id + '\', -' + stepMonths + ', \'M\');"' +
-			' title="' + prevText + '"><span class="ui-icon ui-icon-circle-triangle-w">' + prevText + '</span></a>' :
+			' title="' + prevText + '"><span class="ui-icon ui-icon-circle-triangle-' + ( isRTL ? 'e' : 'w') + '">' + prevText + '</span></a>' :
 			(hideIfNoPrevNext ? '' : '<label>' + prevText + '</label>'));
 		var nextText = this._get(inst, 'nextText');
 		nextText = (!navigationAsDateFormat ? nextText : this.formatDate(nextText,
@@ -1351,7 +1351,7 @@ $.extend(Datepicker.prototype, {
 			this._getFormatConfig(inst)));
 		var next = (this._canAdjustMonth(inst, +1, drawYear, drawMonth) ?
 			'<a class="ui-datepicker-next ui-corner-all" onclick="jQuery.datepicker._adjustDate(\'#' + inst.id + '\', +' + stepMonths + ', \'M\');"' +
-			' title="' + nextText + '"><span class="ui-icon ui-icon-circle-triangle-e">' + nextText + '</span></a>' :
+			' title="' + nextText + '"><span class="ui-icon ui-icon-circle-triangle-' + ( isRTL ? 'w' : 'e') + '">' + nextText + '</span></a>' :
 			(hideIfNoPrevNext ? '' : '<label>' + nextText + '</label>'));
 		var currentText = this._get(inst, 'currentText');
 		var gotoDate = (this._get(inst, 'gotoCurrent') && inst.currentDay ? currentDate : today);
@@ -1375,31 +1375,34 @@ $.extend(Datepicker.prototype, {
 		var defaultDate = this._getDefaultDate(inst);
 		var html = '';
 		for (var row = 0; row < numMonths[0]; row++) {
+			var group = '';
 			for (var col = 0; col < numMonths[1]; col++) {
 				var selectedDate = this._daylightSavingAdjust(new Date(drawYear, drawMonth, inst.selectedDay));
 				var cornerClass = ' ui-corner-all';
+				var calender = ''; 
 				if (isMultiMonth) {
-					html += '<div class="ui-datepicker-group ui-datepicker-group-';
+					calender += '<div class="ui-datepicker-group ui-datepicker-group-';
 					switch (col) {
-						case 0: html += 'first'; cornerClass = ' ui-corner-left'; break;
-						case numMonths[1]-1: html += 'last'; cornerClass = ' ui-corner-right'; break;
-						default: html += 'middle'; cornerClass = ''; break;
+						case 0: calender += 'first'; cornerClass = ' ui-corner-' + (isRTL ? 'right' : 'left'); break;
+						case numMonths[1]-1: calender += 'last'; cornerClass = ' ui-corner-' + (isRTL ? 'left' : 'right'); break;
+						default: calender += 'middle'; cornerClass = ''; break;
 					}
-					html += '">';
+					calender += '">';
 				}
-				html += '<div class="ui-datepicker-header ui-widget-header ui-helper-clearfix' + cornerClass + '">' + 
+				calender += '<div class="ui-datepicker-header ui-widget-header ui-helper-clearfix' + cornerClass + '">' + 
 					(/all|left/.test(cornerClass) ? (isRTL ? next : prev) : '') + 
 					(/all|right/.test(cornerClass) ? (isRTL ? prev : next) : '') +
 					this._generateMonthYearHeader(inst, drawMonth, drawYear, minDate, maxDate,
 					selectedDate, row > 0 || col > 0, monthNames) + // draw month headers
 					'</div><table class="ui-datepicker-calendar"><thead>' +
 					'<tr>';
+				var thead = '';
 				for (var dow = 0; dow < 7; dow++) { // days of the week
 					var day = (dow + firstDay) % 7;
-					html += '<th' + ((dow + firstDay + 6) % 7 >= 5 ? ' class="ui-datepicker-week-end"' : '') + '>' +
-						'<span title="' + dayNames[day] + '">' + dayNamesMin[day] + '</span></th>';
+					thead = (isRTL ? '' : thead) + '<th' + ((dow + firstDay + 6) % 7 >= 5 ? ' class="ui-datepicker-week-end"' : '') + '>' +
+						'<span title="' + dayNames[day] + '">' + dayNamesMin[day] + '</span></th>' + (isRTL ? thead : '');
 				}
-				html += '</tr></thead><tbody>';
+				calender += thead + '</tr></thead><tbody>';
 				var daysInMonth = this._getDaysInMonth(drawYear, drawMonth);
 				if (drawYear == inst.selectedYear && drawMonth == inst.selectedMonth)
 					inst.selectedDay = Math.min(inst.selectedDay, daysInMonth);
@@ -1407,14 +1410,15 @@ $.extend(Datepicker.prototype, {
 				var numRows = (isMultiMonth ? 6 : Math.ceil((leadDays + daysInMonth) / 7)); // calculate the number of rows to generate
 				var printDate = this._daylightSavingAdjust(new Date(drawYear, drawMonth, 1 - leadDays));
 				for (var dRow = 0; dRow < numRows; dRow++) { // create date picker rows
-					html += '<tr>';
+					calender += '<tr>';
+					var tbody = '';
 					for (var dow = 0; dow < 7; dow++) { // create date picker days
 						var daySettings = (beforeShowDay ?
 							beforeShowDay.apply((inst.input ? inst.input[0] : null), [printDate]) : [true, '']);
 						var otherMonth = (printDate.getMonth() != drawMonth);
 						var unselectable = otherMonth || !daySettings[0] ||
 							(minDate && printDate < minDate) || (maxDate && printDate > maxDate);
-						html += '<td class="' +
+						tbody = (isRTL ? '' : tbody) + '<td class="' +
 							((dow + firstDay + 6) % 7 >= 5 ? ' ui-datepicker-week-end' : '') + // highlight weekends
 							(otherMonth ? ' ui-datepicker-other-month' : '') + // highlight days from other months
 							((printDate.getTime() == selectedDate.getTime() && drawMonth == inst.selectedMonth && inst._keyEvent) || // user pressed key
@@ -1434,19 +1438,22 @@ $.extend(Datepicker.prototype, {
 							(printDate.getTime() == today.getTime() ? ' ui-state-highlight' : '') + 
 							(printDate.getTime() >= currentDate.getTime() && printDate.getTime() <= endDate.getTime() ? // in current range
 							' ui-state-active' : '') + // highlight selected day							
-							'" href="#">' + printDate.getDate() + '</a>')) + '</td>'; // display for this month
+							'" href="#">' + printDate.getDate() + '</a>')) + '</td>' + // display for this month
+							(isRTL ? tbody : '');
 						printDate.setDate(printDate.getDate() + 1);
 						printDate = this._daylightSavingAdjust(printDate);
 					}
-					html += '</tr>';
+					calender += tbody + '</tr>';
 				}
 				drawMonth++;
 				if (drawMonth > 11) {
 					drawMonth = 0;
 					drawYear++;
 				}
-				html += '</tbody></table>' + (isMultiMonth ? '</div>' : '');
+				calender += '</tbody></table>' + (isMultiMonth ? '</div>' : '');
+				group = (isRTL ? calender + group : group + calender );
 			}
+			html += group;
 		}
 		html += (!inst.inline ? buttonPanel : '') +
 			($.browser.msie && parseInt($.browser.version,10) < 7 && !inst.inline ?