I can't tell if you're being sarcastic or not. In case you're not, here's an example, from Germany, to disprove that all calendars start on Sunday and end on S

I can't tell if you're being sarcastic or not. In case you're not, here's an example, from Germany, to disprove that all calendars start on Sunday and end on Saturday. http://www.timeanddate.com/calendar/?country=8 http://www.timeanddate.com/calendar/?country=8 Choose other countries from the dropdown and you'll see many, if not most, have the week starting on Monday and ending on Sunday.