Because it is not the first time that I have this question, I wanted to share this with you.
When you want to display a value in hour, minute, second in a animation “Register Send”, if you use the “hh:nn:ss” format, the display will depend of the Time Zone. In the French Time Zone, the minimum value accepted for the hour is 1.
If you want to set the value witch is not depending of the time zone, you have to set the display format to “[hh]:nn:ss”.
Above, a picture to show you that :



