I've set the date formatting to day/month/year instead of month/day/year
I don't see any difference in e.g. the events etc.
see e.g.http://sbv54.net/locje/event/23
Date shown is mar 13, 20:00 instead of 13 mar, 20:00
Bug?
To achieve what you want please check these links: http://www.oxwall.org/forum/topic/321