Sand trap tells when the deer passed, right?
Not to the minute, but IF you are good at reading sign you can get a pretty good idea. Old school stuff. Study tracks, including your own. Note the weather and soil conditions and see how the tracks weather out and in what time span. It takes some time to learn.
One of the best ways to learn it is to study your own tracks. Set it up. Step in soft soil; dry, damp, muddy, whatever. Look at your track and see how sharp and clear it is. Come back a couple hours later and look at it again. Go back the next day. Go back in three days. Note how the edges of your track have dried out and crumbled. What has the weather been like? Is the track washed out. When was the last rain? The last frost? Did the wind blow in sand or leaves? etc.
Of course, there is a lot more to tracking then just looking at footprints.
I made my living back in the 1980's by tracking people across the Arizona deserts. I was a border patrolman. We made a lot of sand traps along the trails. People traveling at night usually didn't notice them.
Now, in this electronic age I don't know if they still do any tracking the old way.
I like my trail cameras so I can see a picture what passes, but I still like the old ways, too.