The length of its solar day is 24h 39m 35.244s (also known as a sol, more precisely 88,775.24409 seconds).
24 hours, 39 minutes, 35.244 seconds.
24h 37m
As on Earth, each day is the same length, give or take a few picoseconds. The Martian day is equal to about 29hrs 35.5 min.
The technical term for the "day" of another planet is "sol." A Martian sol is slightly longer than a day (24 hours) at about 24 hours 39.5 minutes.
24 hours, 39 minutes, and 35.244 seconds