User blog comment:Tonverg11/WHAT ON EARTH?!?!?!/@comment-4189499-20131224132501

It's based on UTC time, so although you might have edited every day in your time zone, if you didn't edit between 00:00 and 23:59 on one UTC day, you get reset to zero. It's annoying but it's the same for everyone, which makes it fair.