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It actually takes the Earth 365 and a quarter days to orbit the Sun, so every four years an extra day is introduced to balance the system, otherwise the seasons would be all over the place.

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Q: When you have a leap year what causes the changes in the length of days?
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The Number of days in March 2010?

31, March always has 31 days in it. February is the only month that changes length due to the Leap Year operation.


How many days in November during leap year?

Same at it always does.30 days no matter if its a leap year or not.Since in a leap year only febuary changes(it has 28 days and 29 on a leap year).Scorpio is not impressed by you...


How are there in April if it is a leap year?

There are 30 days in April. The only month that changes is February, which is usually 28 days. In leap year, February has 29 days.


What is length of one year?

length of 1 year =365 days .It is 366 for leap year


How far is Earth length of year in days?

365 , and in a Leap Year 366.


What did sosigenes caluate the length of a year to be?

365.25 days. 366 on leap years.


What month changes the number of days it has in it if it a leap year?

February of course !


What causes us to have years?

It takes about 365.2422 days for Earth to orbit the sun, but the number of days in a calendar year is always a whole number. In the Gregorian calendar, each regular year has 365 days and each leap year has 366 days. There are 97 leap years in every 400-year period. That makes the average length of a Gregorian calendar year 365.2425 days.


How many days does March have in a leap year?

March has 31 days every year, and does not change in a leap year. February is the only month that changes, adding the 366th leap day as February 29.


Was the year 1976 a leap year?

No 1975 wasn't a leap year, but if it was a leap year however, it would've been a double leap year lasting 367 days. The reason for this being is because the length of year is not 365-1/4 days or 365.25 days or 365 days and 6 hours. It's because the length of year is 365.24 days, 365-1/5 days + 1/25 days which adds up to 365-6/25 days which means we normally should only have 6 leap years in 25 years. That's where 6/25 comes from. We can have leap years in years divisible by 5 and double leap years in years divisible by 25. However, the length of year is just a tidbit longer than 365-6/25 days and is inbetween 365-6/25 and 365-1/4 days so we could also add a triple leap year every 475 years to smooth things out and have stand alone triple leap years inbetween. The length of year is longer than 365-23/95 days or 365.2421 days approximately, but if the length of the year shortens by then, we wouldn't need these extra triple leap years because it won't accumulate by a full day anymore. We have leap years per every fourth year to make things easier. You'll need a special program if you want to make your leap years your own way.


What year is the length?

three hundred and sixty five days plus six hours and 366 days a leap year.


What is the length of years does earth have?

A year on Earth is about 365.24 days long. Most years are 365 days, and leap years have 366 days.