If the events occur in the CST (CDT?) timezone over there in the US, I would expect the date to be different for UTC - the date should be Jan 1 and not Dec 31, no?

https://imgur.com/eBBqZYK

/me puts his head on the desk and sobs

at this point, probably too late to change it, but I'll try to remember for next year, put a note in my event text folder.