Why Does My week start with Sunday instead of Monday like it always has before?

[Jenniezee99]

My week needs to  start with Monday and end with Sunday on  my Calendar. All of a sudden it changed without my permission to Starting Sunday and Ending Saturday.. Please Help!

[Anthem]

Take a look at the comments on this thread, might help you to change your start day back to Monday. 

https://www.sellercommunity.com/t5/Questions-How-To/Labor-vs-Sales/td-p/610227