You can set the long date format in Google Calendar, but not the short date format. This plugin does:
Changes the short date format in Google Calendar from [month]/[day] to [day]/[month] or the other way around.
It fixes this long standing bug: formatting – How do I change date format at top of day in Google Calendar? – Web Applications Stack Exchange which was reported in at least these places:
- Changing the date format above the day columns – Google Product Forums
- Date format incorrect in short form for Sweden (week view) – Google Product Forums
Source: Short Date Format Fix For Google Calendar™ – Chrome Web Store
–jeroen
The Wiert Corner - irregular stream of stuff 