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1. spaceplace.nasa.gov › days › enHow Long Is One Day on Other Planets? - NASA Space Place

   spaceplace.nasa.gov › days › en

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   Nov 8, 2024 · On Earth, a solar day is around 24 hours. However, Earth’s orbit is elliptical, meaning it’s not a perfect circle. That means some solar days on Earth are a few minutes longer than 24 hours and some are a few minutes shorter.

2. www.timeanddate.com › time › earth-rotationHow Long Is a Day on Earth? - timeanddate.com

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   On average, a mean solar day in the last 365 days was -0.11 ms under 24 hours, so today's day length is above average. Over this period, 110 days have been longer than today, while 256 have been shorter than today.

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4. www.mentalfloss.com › posts › solar-system-planetsThe Day and Year Length of Every Planet in Our Solar System

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   Feb 20, 2023 · To be clear: A day is how long it takes a planet to complete one full rotation on its axis, while a year is how long it takes for the planet to orbit the sun. You might be surprised to find...

5. explainingscience.org › 2015/08/24 › september-18How the length of a day changes over the year – Explaining ...

   explainingscience.org › 2015/08/24 › september-18

   Aug 24, 2015 · Although a day for practical timekeeping purposes is always 24 hours, the actual length of a solar day, which is the time difference between two successive occasions when the Sun is at its highest in the sky, varies throughout the year.

6. thisvsthat.io › sidereal-day-vs-solar-daySidereal Day vs. Solar Day - What's the Difference? | This vs ...

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   Sidereal day and solar day are two different ways of measuring time on Earth. A sidereal day is the time it takes for the Earth to complete one full rotation on its axis relative to the stars. It lasts approximately 23 hours, 56 minutes, and 4 seconds.

7. www.worldatlas.com › space › how-long-is-a-day-onHow Long is a Day on Each Planet? - WorldAtlas

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   Mar 13, 2023 · On Earth, a solar day is 24 hours, while a sidereal day is 23 hours and 56 minutes, four minutes shorter than a solar day. Every planet in our solar system has a different rotational period and orbit, so the length of both sidereal days and solar days will also be different depending on the planet.

8. People also ask

   How long are solar days on Earth?

   • That means some solar days on Earth are a few minutes longer than 24 hours and some are a few minutes shorter. Another way to measure a day is to count the amount of time it takes for a planet to completely spin around and make one full rotation. This is called a sidereal day. On Earth, a sidereal day is almost exactly 23 hours and 56 minutes.

   How Long Is One Day on Other Planets? - NASA Space Place

   spaceplace.nasa.gov/days/en/

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   Is a solar day longer than 24 hours?

   • So a solar day is slightly longer than 24 hours. In July, when the Earth is moving more slowly in its orbit, the Earth needs to make less than 1.00274 of a turn for the Sun to be at the highest point in the sky on the following day. This would make a day shorter than 24 hours.

   How the length of a day changes over the year | Explaining Science

   explainingscience.org/2015/08/24/september-18-the-shortest-day/

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   How does the length of a solar day differ from the average?

   • How the length of a solar day differs from the average value of 24 hours. The y-axis shows the difference in seconds between the length of a solar day and 24 hours on a given date measured in seconds. So, for example: -10 means 23 hours 59 minutes 50 seconds.

   How the length of a day changes over the year | Explaining Science

   explainingscience.org/2015/08/24/september-18-the-shortest-day/

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   How long does a day last on other planets?

   • We can write a paragraph about how long days last on other planets. On Mercury a day lasts 1,408 hours, and on Venus it lasts 5,832 hours. On Earth and Mars it’s very similar. Earth takes 24 hours to complete one spin, and Mars takes 25 hours. The gas giants rotate really fast. Jupiter takes just 10 hours to complete one rotation.

   How Long Is One Day on Other Planets? - NASA Space Place

   spaceplace.nasa.gov/days/en/

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   How long is a day on Earth?

   • On Earth, a day lasts 24 hours. The length of a day on our world is determined by the rotational velocity of our planet. When we say a day is 24 hours, this means that it takes 24 hours for the Earth to rotate once about its axis. However, there are two different ways to measure the length of a day. There are sidereal days and solar days.

   How Long is a Day on Each Planet? - WorldAtlas

   www.worldatlas.com/space/how-long-is-a-day-on-each-planet.html

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   Why is a solar day longer than a sidereal day?

   • The primary reason for the difference in duration between a solar day and a sidereal day is the Earth's orbital motion around the Sun. As the Earth orbits, it also rotates on its axis, resulting in a slightly longer day when measured relative to the Sun. This phenomenon is caused by the Earth's axial tilt and its elliptical orbit around the Sun.

   Sidereal Day vs. Solar Day - What's the Difference? - This vs. That

   thisvsthat.io/sidereal-day-vs-solar-day

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9. www.thoughtco.com › day-length-other-planets-4165689How Long Is a Day on Each Planet? - ThoughtCo

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   Aug 20, 2024 · When asking, "how long is a day on each planet," Earth's day is 24 hours, Jupiter's is about 10 hours, while Mercury's day lasts 58.6 Earth days.