How far in advance does the TV Guide usually have information. Today mine only had date thru Monday midday. I did a refresh guide but it didn’t seem to work. Then I did a refresh from the liveTV & DVR option ad it appears to have worked.
Plex typically downloads Electronic Program Guide (EPG) data for 7 or 14 days at a time. Plex relies on Gracenote for providing the guide data, which displays the TV listings and show information in the Plex TV guide. The refresh happens as part of the daily and weekly tasks. It can take some time, less than 24hrs for changes to be populated. You can manually refresh, but it may take a moment for the server to kick in that task.