@rustyknight i found the problem in the calendar module a while back #2632) and have submitted a fix for the next release, Jan 1.
https://github.com/MichMich/MagicMirror/pull/2748/
which hasbeen accepted and merged…
if u want to test it now, you can do this
https://forum.magicmirror.builders/topic/14327/testing-new-fixes-or-solving-current-problems-with-next-release-code