http://eq.gimasoft.com/forums/viewtopic.php?f=3&t=261
The post above states that it's temporary, and Daybreak says date formatting will be fixed in the May patch. Either way, this fixes having to change the date to a 2 digit day, and then back to actual date.
Some people says it didn't work for them, it worked for me. I found 2 instances of the config file and replaced them both.