How Long Is a Day on Other Planets?

On Earth, a day is 23 hours and 56 minutes, but other planets and bodies rotate at different rates.

Science How Long Is a Day on Other Planets? On Earth, a day is 23 hours and 56 minutes, but other planets and bodies rotate at different rates. The Moon spins on its axis once every 29.5 days. That means future lunar inhabitants will have to get used to a sunlight "day" and "night" that last for about 14 Earth days. READ NOW Advertisement READ THESE The Giant Crystal Caves of Mexico The First Private Aircraft in Space How China Became a Leader in Space Exploration You are receiving this newsletter because you subscribed to the Today I Learned newsletter. If you wish to unsubscribe, please click here A Dotdash Brand 1500 Broadway, 6th Floor, New York, NY, 10036 © 2018 Dotdash - All rights reserved. Privacy Policy.