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Because it takes approximately 365.25 days for the Earth to orbit the sun, an extra day is added every four years to compensate for this extra quarter of a day.

When a year is divisible by 100, it is only a leap year when it is also divisible by 400. For example, 1600 was a leap year, but 1700, 1800, and 1900 were not. 2000 was a leap year, but 2100, 2200, and 2300 will not be leap years.

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Q: Why do leap years occur at four year interval?
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Related questions

How many times do leaps years occur?

Leap years occur every four years.


How many yearss does a leap year occur?

A leap year occurs every four years.


How many seconds are in twenty four years?

757382400 seconds approx. The exact number depends on how many leap years there were in the interval and on whether or not there were any leap seconds.


Does leap occur every 4 years?

A leap yar occurs every four years. The exception is years ending in -00, where only the ones with the first two figures divisible by four is a leap year. E.g. 2000 is, but 1900 is not a leap year.


How many years dose is LEap year occur every years?

A leap year occurs every four years. The day when a leap year hasoccurred is on February 29.


How many leap years occur in 50 years?

As least 11 but no more than 13 leap years occur in 50 years.


How ofter do leap year occur?

a leap year occurs every four years as the earth spins 365 1/4 times so the quarters make a full one every four years giving us a leap year /an extra day


Does leap skip every 3 years?

No, leap days occur every four years and the only leap years which are "cancelled" are the centurial years (1700, 1800, 1900, 2100, 2200, 2300, 2500, 2600 2700, 2900, 3000 etc.)


Leap years ocour every how many years?

Leap years occur every 4 years.


How many days until the next leap year?

Leap years are usually every four years. They will occur every four years until the year 2096, then the next one after that will be eight years later. So since 2012 is a leap year, the next one will be 2016, followed by 2020, 2024, and so on.


Future leap years?

Leap Years are years divisible by four, with two exceptions. 1. "Century" year numbers (divisible evenly by 100) are not leap years. 2. Years divisible evenly by 400 ARE leap years. So years like 1992 and 1996 were leap years. Century years like 1900 or 2100 are NOT leap years. But 2000 was a leap year, and 2400 will be.


In how many years does a leap year occurr?

it takes 4 years for a leap year to occur