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Why do we have leap years

like who invented them were did they come from?

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A year is actually 365 and 1/4. Every four years we have a extra day to keep the seasons with the months

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Thanks :)
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To keep up with mother nature

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just to make the people who are old feel younger?? :P

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the world may never know :D

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Earth doesn't really take 365 days to orbit the sun. It's a little more than that I think 365.250 or less. We have the extra day to balance that time.

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youre really smart
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Thanks.
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no probs im gonna follow you now
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a year is actually 365.24 days and leap years account for that little extra ergo evry 4 years we have 1 extra day.

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we have leap year because there's actually 365 and 1/4 in a day. so every 4 years the 1/4(6 hours) adds up into an extra day.

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this is the correct
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We talked about this at school today and what we got was Julius caesar added a leap year to the calendar when Galileo told him about it. If we didn't have the leap year than seasons would be shifted and winter would be in the summer time.
Hope I helped

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Julius Cesar was born 44 BC. Galileo was born 1565. How did you come up with this answer?
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hahahaha burn
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Wrong person I re looked it and it wasn't any thing to do with Galileo just caesar
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We have leap years because when we go around the sun it doesn't exactly take 365 days a year so we make an extra day each year but still that doesn't exactly equal the whole trip around the sun so every 350 years we may lose a day of the year.

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Earth takes 165.25 rotations to complete a revolution. In order to keep things simple, instead of having 165 and 1/4 days every year, we have 166 days once every 4 years.

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hmmm thats a little off
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Sorry! I think I fixed it correctly.
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hmm i cant answer this question but i know how we know its a leap year 2012 feb. 29 because u divide it by 4 if it doesnt have a decimal in the number on a calculater if it doesnt then its good
nevermind forget about it sorry i'm littler then you sorry :( if your older then 11 yea your oder

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wait i'm younger then 11 and know the question.
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I honestly didnt know until I read these answers but its to keep up with the seasons because the earth takes a few hours more than a year to orbit the sun and adding an extra day every four years evens it out.

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each year is actually 365.25 days, so every four years we need that extra day to keep the days equal and constant, rather than having one day of the year be one quarter of a day..

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Each year is 365 1/4 days long so they decided to put that extra say at the end of the shortest month

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because back in the ancient Greece the women were allowed by law able to ask any man of their choosing to marry them and they had to say yes only every four years they could it

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every year is 365 days and one fourth so every 4 years it would be 365 days and four fourths... and four fourth equals one whole so it wold be 366 days in a year

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When a year was originally divided as it is today in the calendar we use today, time-telling was not perfectly accurate. every year is basically 365 days and 6 hours, but since 6 hours aren't a full day the hours add up over 4 years becoming a full 24 hour day. Believe it or not, there are also leap seconds.

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we have a leap year so the amount of days the earth takes to rotate around the sun and it needs one extra catch-up day

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We have leap years, so that the calendar can catch up with the planet. The planet orbits around the sun, once a year or 365 days. We need an extra day to catch up with the planet, so we don't get thrown off.