Your perception of Right Now is a rolling time window 2-3 seconds wide, which is pretty dang far from instantaneous. That's wild to me.
Saccadic Masking is one of my favorite examples of this. @foone@twitter.com did a fun thread a couple of weeks ago about how eye movements make our subjectivity time travel.
The first half of this video addresses what it means in terms of music i.e. "what's the slowest beat you can headbang to?"
"What is the slowest music humanly possible?" [Adam Neely, 15:53] https://www.youtube.com/watch?v=afhSDK5DJqA
(lol I didn't notice the edit-induced typo of "an janky-ass" but I think I actually like it better that way)