About Step counter… Am I asking a stupid question ?

About Step counter…

Am I asking a stupid question ? Sorry if I am…
How does the STEP COUNTER RESET ? I thought it was automatic at 00:00 (midnight) but obviously it does not reset automatically on my D5+ watch.

Does anyone encounter the same issue ?

https://plus.google.com/u/0/112768395097541291774/posts/HziaqSHcPtd

With my launcher it should reset…