That varied from mission to mission.
In the Apollo 11 mission the astronauts spent 21 hours and 36 minutes on the surface of the moon and had a moonwalk lasting 2 hours and 31 minutes.
Buzz Aldrin stayed on the moon for 21 hours.
Both the astronauts stayed for about 21 hours on the moon.
Neil Armstrong and Buzz Aldrin stayed on the moon for about six hours.
No, the Apollo 11 mission did not stay on the moon permanently. The astronauts Neil Armstrong and Edwin "Buzz" Aldrin spent around 21 hours on the lunar surface before returning to the command module where Michael Collins was waiting in orbit around the moon.
Astronauts can stay on the moon for a few days to a couple of weeks during lunar missions. The longest stay on the moon was by the Apollo 17 mission in 1972, which lasted about 75 hours. With advancements in technology, future missions may allow longer stays on the moon.
Hippo can stay in water for 16 hours
708.74 hours (29.531 Earth-days)
Apollo 11 stayed on the surface of the moon for 26 hours.
1 day, 7 hours, 31 minutes
About 655 hours.
16 hours