Question

What do we have a leap year​

Answer 1

Answer:

2020 is a leap year, a 366-day-long year. Every four years, we add an extra day, February 29, to our calendars. These extra days – called leap days – help synchronize our human-created calendars with Earth's orbit around the sun and the actual passing of the seasons. ... It'd be off by about 25 days after 100 years.

Explanation:

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Answer 2

Answer:

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Explanation:

2020 is a leap year, a 366-day-long year. Every four years, we add an extra day, February 29, to our calendars. These extra days – called leap days – help synchronize our human-created calendars with Earth's orbit around the sun and the actual passing of the seasons. ... It'd be off by about 25 days after 100 years