Change the first day of a week 

How to set

iOS/Android

1. Tap the image icon in the top left corner
2. Tap the "App Settings" button on the top right corner
3. Set your "Week starts on" to your preference

Web

1. Hover the mouse over your profile icon in the top right-hand corner of the screen
2. Click the "App Settings"  in the top right-hand corner
3. Select "Appearance"
4. Set your "Week starts on" to your preference
5. Click "Save"