# How many times does the earth go around the sun in a year?

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#### Explanation

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#### Explanation:

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Feb 14, 2017

One time.

#### Explanation:

A year is traditionally defined as the time it takes the Earth to revolve around the Sun one time.

However, because it actually takes $365.25$ days for a full resolution around the Sun, and not an exact (natural) number of full days, we instead define a normal year as $365$ days and use leap years, which have $366$ days, to account for the day lost during a four-years time. $0.25$ days lost in one year, times four (4), equals one (1) full day. That is added on February 29th.

• That means that in a normal year, the Sun makes just about one (1) full rotation, and needs a little less than 6 more hours to complete it.

• In a leap year, one (1) full rotation is completed, and in addition to that, a very, very small additional fragment of a resolution (18-hours worth) is also made.

To be precise:

• 99.93% of a full rotation is completed in a normal year
• 100% of a full rotation, as well as an additional 0.2%, is completed on a leap year
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