Continued DVR issues on fresh Plex Server install

Playing more, I have reduced the selected channels only to 7 that are HD, and removed Everything else in case it was a guide issue. Still no luck, however, I am finding that the guide works if I select a day that is not “today.”

What I see by default for “today”:

What I see if I select a future date/time from the filter dropdown:

What’s more, everything on the “What’s On” tab just shows “TOMORROW” items. nothing “now”
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AND, I have some old DVR SCHEDULE shows still showing. These actually record content from the channel, but at the wrong times. So it’s never actually the show, usually it’s just news or something random.

This makes me think now that this is a clock/timing issue that is literally just causing things not to display… which would be ridiculous. Anyone else?