Switch to Date.setTime() to completely avoid the issue

Author: Levi Zitting

recurrence/static/recurrence/js/recurrence-widget.js

@@ -238,10 +238,7 @@ recurrence.widget.Calendar.prototype = {
             month != this.date.getMonth() ||
             day != this.date.getDate()) {
 
-            this.date.setFullYear(year);
-            this.date.setMonth(month);
-            this.date.setDate(day);
-            this.date.setMonth(month);
+            this.date.setTime(new Date(year, month, day) / 1);
 
             recurrence.array.foreach(
                 this.elements.month_grid.cells, function(cell) {
@@ -406,11 +403,8 @@ recurrence.widget.DateSelector.prototype = {
 
                 if (!this.date)
                     this.date = recurrence.widget.date_today();
-		    
-                this.date.setFullYear(year);
-                this.date.setMonth(month);
-                this.date.setDate(day);
-                this.date.setMonth(month);
+
+                this.date.setTime(new Date(year, month, day) / 1);
 
                 this.elements.date_field.value = datestring;
 

recurrence/static/recurrence/js/recurrence.js

@@ -679,19 +679,9 @@ recurrence.deserialize = function(text) {
         }
         var dt = new Date();
         if (text.indexOf('Z') > 0) {
-            dt.setUTCFullYear(year);
-            dt.setUTCMonth(month - 1);
-            dt.setUTCDate(day);
-            dt.setUTCHours(hour);
-            dt.setUTCMinutes(minute);
-            dt.setUTCSeconds(second);
+            dt.setTime(Date.UTC(year, month - 1, day, hour, minute, second) / 1);
         } else {
-            dt.setFullYear(year);
-            dt.setMonth(month - 1);
-            dt.setDate(day);
-            dt.setHours(hour);
-            dt.setMinutes(minute);
-            dt.setSeconds(second);
+            dt.setTime(new Date(year, month - 1, day, hour, minute, second) / 1);
         }
         return dt;
     };