on 06-04-2010 16:03
on 06-04-2010 17:03
If its the latter, then you get your free allowance once a month on your anniversary date.
If your anniversary date has passed then you should contact O2.
on 06-04-2010 20:38
(In English when there are several options in a sentence, the 'latter' is the final one and the 'former' is the first one)