Canon EOS R6 Mark II Mirrorless Camera with 24-105mm f/4-7.1 Lens - Manual (Page 436)

Count Up
Rec run
The time code advances only during movie recording. Time codes in each movie file
recorded continue from the last time code in the previous file.
Free run
The time code keeps advancing, even when you are not recording.
Caution
When set to [ Free run ], time codes are not added to movies recorded with the
camera configured for High Frame Rate, time-lapse, or Creative filter recording.
When set to [
Free run ], time codes will be affected by any changes to settings for
time, zone, or daylight saving time ( ).
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