How to Calculate Leap Years?

Answer Answer for: how to calculate leap years
Leap years almost always occur every four years, (i.e. in years that are divisible by 4). The only exceptions to this is that years that are evenly divisible by 100 are not leap years, unless they are also divisible by 400.
So this means that the years 1700, 1800, 1900, etc., were not leap years, but the year 2000 was, and the years 2400 and 2800 will be.
Q&A Related to "How to Calculate Leap Years?"
1. Divide the year for which you are trying to determine a leap year by four. If the year is not divisible by four, it is not a leap year. If the year is divisible by four, continue
The modern civil/business calendar inserts February 29th in a leap year. Every year divisible by '4' is a leap year, except for the last year of each Century . 1800, 1900, 2000, etc
Rule 1: Any year evenly divisible by 400 IS a leap year. Rule 2: Any year evenly divisible by 100 is NOT a leap year, unless it conflicts with Rule 1. Rule 3: Any year evenly divisible
Years that are divisible by 4, but not by 100, except when they're divisible by 400 are leap years. So the next one, as of this writing, is 2016. Update (29 February, 2012): The current
1 Additional Answer
To calculate a leap year it should divide evenly by 4 but not divide evenly by 100. As an example 4 divides evenly into 2012 but 100 does not, so it was a leap year. A special rule applies to years ending in 00. A century will not be a leap year if both 4 and 100 divides evenly into it. But it will be a leap year if 400 can be divided evenly into it. As an example 1900 can be divide evenly by both 4 and 100 so it was not a leap year. However, since 4, 100, and 400 can be divided evenly into the year 2000, it was be a leap year.
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