The congressional January 6th hearings have attracted substantial television news attention, with the timeline below showing the total seconds of daily airtime in which the date was displayed somewhere in the onscreen text. However, interest has waned since the July 4th holiday. Of course, not all airtime about the hearings display the actual date in the onscreen chyron text, but it offers a simple proxy for overall attention.
MSNBC and CNN have displayed the date vastly more than Fox News.