In Arc calendar view, the first day of the week is always Monday. In North and South America as well as other places, however, the usual standard is that calendar views start on Sunday, and in the Middle East, it is Saturday.

Since Arc displays a calendar, can it either:

A) Follow the system-wide preference for this specifically, if available via iOS (Settings > Calendar > Start Week On) B) Follow the default for the user’s locale (https://commons.wikimedia.org/wiki/File:First_Day_of_Week_World_Map.svg) C) Provide an option to set the preference