Sorting all bad for date format: April 1, 2013, 1 p.m.

peter007

data is coming from django queryset.
its displaying it correct (the way I want it),
but sorting is screwed up.. (looks like this after sort)

April 1, 2013, 6:24 p.m.
April 2, 2013, 12:26 p.m.
March 20, 2013, 12:50 p.m.
March 21, 2013, 12:57 p.m.
March 22, 2013, 3:30 p.m.

I have been looking online but cant fint any solution for this format

please advice

thanks,
_Peter