Maximum number of casinos show your local time in transaction and bonus history. Yes internally they use cet but for players profile its mostly local time. Iwild, snatch and other Altacore casinos dont show a players local time.
Btw did you confirm if the time on the bonus profile was your local time or cet? These casinos operate on cet and the casino transactions also show cet time.
One of my biggest irks on TaDa titles is sometimes titles don't remember bet size when you reload the game(often works fine but other times it will reset to the higher base amount), it's a bare minimum for a good customer experience imo. Bonus buy wins should also be able to generate replay links to show off to your friends, the replay/my top wins manager often freezes up ingame and does not populate your latest bigwin requiring a page refresh to go find it.
If you compare that to say the experience with bet size and the replay manage on pragmatic it's a pretty big difference. The titles are ok, I would love to see more 10c NZD options for the slots too.