Yes, our community is a special one
Unfortunately the backend date formats are hardcoded currently.. You should create a feature request for to make it configurable in the
bug tracker. If you really need those to be changed right now, and you like to change it everywhere, you should do a search for strftime (and strtotime) in these files (atleast):
manager/actions/dynamic/
- eventlog_details.dynamic.action.php
- files.dynamic.action.php
- mutate_content.dynamic.action.php
- mutate_settings.dynamic.action.php
- mutate_user.dynamic.action.php
- mutate_web_user.dynamic.action.php
manager/actions/static/
- document_data.static.action.php
- logging.static.action.php
- messages.static.action.php
- online_now.static.action.php
- site_logging.static.action.php
- site_schedule.static.action.php
- sysinfo.static.action.php
- welcome.static.action.php
But if you want to change it only in document creating pages, look at mutate_content.dynamic.action.php and document_data.static.action.php