What steps will reproduce the problem? 1.General usage, tried to load Events via ajax 2.Callback function never got called in IE 3.

What is the expected output? What do you see instead? Was expecting loaded events to show up in calendar

What version of the product are you using? On what operating system? release 42

Please provide any additional information below. The issue is browser-dependent - dateIn parameter was passed as a request to the server. In IE, this value holds the year as the last string bit while in firefox it is the fourth string bit (Tue May 26 17:16:34.0000 2009 VS Tue May 26 2009 17:16:34.0000).