The year does not change when you click on the calendar header /months/years and select the __next__ year.
Example: in 2015 clicking on 2016 returns 2015.
Note: Issue Occus in ASP.NET AJAX Control Toolkit Demos v15.1.2
Comments: Your action are the same as mine. But my regional settings differ from yours in the date format (attach new screenshots). Hope it helps. Additional culture info: French Canada __(Québec)__. Thank you for your trouble.
Example: in 2015 clicking on 2016 returns 2015.
Note: Issue Occus in ASP.NET AJAX Control Toolkit Demos v15.1.2
Comments: Your action are the same as mine. But my regional settings differ from yours in the date format (attach new screenshots). Hope it helps. Additional culture info: French Canada __(Québec)__. Thank you for your trouble.