How long is a day on other planets

by Colm Byrne on Thursday, January 3rd, 2013

When we think of a day on Earth we measure it in a period of 24 hours, actually it takes 23 hours and 56 minutes and 4 seconds to rotate on it’s axis. So, if we measure a day on each planet compared to Earth it kind of makes it easier.

Some of the planets rotate and spin slow and some rotate and spin fast so you can see a big difference as they orbit the Sun in our solar system

Mercury – 58 days and 15 hours

Venus – 243 Earth days

Earth – 23 hours and 56 minutes

Mars – 24 hours 39 minutes and 35 seconds

Jupiter – 9.9 Earth hours

Saturn – 10 hours 39 minutes and 24 seconds

Uranus – 17 hours 14 minutes and 24 seconds

Neptune – 16 hours 6 minutes and 36 seconds

Pluto – 6.39 Earth days

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