There seem to be different clocks for different purposes. Playing on Smoke Chamber COM03.
* Local time is now 16:52, ticker on Prestige window says day ends in 07:07:13, which is about midnight local time.
* Daily turnover seems to reset around midnight ( 00:00 ) local time, but I haven't actually watched it happen.
* Messages about winning titles and related Prestige, as well as interest on Plus account, show up around 17:00 local time.
* Times for bonuses (Black Weekend on Facebook) seemed to but UTC+1 (German time).
* While typing, local time has advanced to 16:59. Era ends in 14:01:06, which if I have done the time math right, is 06:00 local time.
So the main question I have is when does the clock start and end for Prestige and Titles, since I might want to change what goods I am hauling based on which title I want to win, and want to synchronize the change with the time window used for judging.