silverstripe/sapphire — pull request #1771 by a2nt (2013-04-17 13:58:31+00:00)
Title: [API] I18n datetime

Zend localised dates integration.
API Change: now Date->Format() will use Zend date format.

Additional info here:
http://framework.zend.com/manual/1.12/en/zend.date.constants.html#zend.date.constants.selfdefinedformats