Dvorak, Hang tight.... it's a bug in the software. Or with the server.
It can't be something more... usually it is either a server or software or both...
And now, oddly enough you mentioned on the end that the catch is in time...

To wright something from other topic on this forum...
I have documented with pictures what actually happens, and to me looks like that all timers reset for some reason or the event time end is in the past IDK for sure...
I can't suggest solution for this one because I did not read code for that and I don't know where to start if I read it anyways...
So coders will know how to address this issue if it is not the servers time settings... and if I am right then recoding countdown not to depend on server time || or to be a simple count down || or sync with NTP on restart to ensure time related issue bugs to clear out...
I hope this helps... and if it does not it can't hurt to wright it down again....