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Leap year

en.wikipedia.org/wiki/Leap_year

A leap year is a year containing one additional day added to keep the calendar year ... By this rule, the average number of days per year is 365 + <sup>1</sup>⁄4 − <sup>...

Leap Year Rules

www.wwu.edu/skywise/leapyear.html

There is a leap year every year whose number is perfectly divisible by four - except for years which are both divisible by 100 and not divisible by 400.

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.

Leap Year Nearly Every four years - Timeanddate.com

www.timeanddate.com/date/leapyear.html

Feb 29, 2016 ... Roman general Julius Caesar introduced the first leap years over 2000 years ago. But the Julian calendar had only one rule: any year evenly ...

Leap Year 101 – Next, When, List, Days, Calendar, Years ...

www.infoplease.com/spot/leapyear2.html

Rules for Determining a Leap Year. 1. Most years that can be divided evenly by 4 are leap years. (For example, 2016 divided by 4 = 504: Leap year!) 2.

Leap Year Explained - Infoplease

www.infoplease.com/spot/leapyear1.html

In 1582, Pope Gregory XIII adjusted the calendar by moving the date ahead by 11 days and by instituting the exception to the rule for leap years. This new rule ...

Leap Year Nearly Every four years - Timeanddate.com

www.timeanddate.com/date/leapyear.html

Feb 29, 2016 ... Roman general Julius Caesar introduced the first leap years over 2000 years ago. But the Julian calendar had only one rule: any year evenly ...

Method to determine whether a year is a leap year - Microsoft

support.microsoft.com/en-us/kb/214019

Any year that is evenly divisible by 4 is a leap year: for example, 1988, 1992, and ... only the year 1900 is subject to the 100/400 exclusion rule of leap years in ...

When is a leap year not a leap year? | Science | The Guardian

www.theguardian.com/science/2011/feb/28/leap-year-alex-bellos

Feb 28, 2011 ... If the rule is that leap years only fall on years divisible by four, as was the case for the millennium and a half before 1582, then the calendar ...

Popular Q&A
Q: What is the exception to the leap year rule?
A: If the century year is divisible by four it is not a leap year. Read More »
Source: wiki.answers.com
Q: What is the rule for leap year.
A: Generally, leap years are divisible by four, but century years are special, they must also be divisible by 400. Leap years are added to the calendar to keep it ... Read More »
Source: www.chacha.com
Q: What is the rule for leap year?
A: A leap year occurs every four years and the added day is February 29th making it 366 days in that year. So if someone is born on that day there birthday occurs ... Read More »
Source: answers.yahoo.com
Q: What is the entire rule about leap year?
A: Every year divisible by four (same as presidential elections and summer Olympics) is a leap year, except. the even hundreds (1900, 2000) Read More »
Source: wiki.answers.com
Q: What is the rule about 4000 years leap years?
A: It is not 4000 rule it is 400 year rule. and it is "A century is considered to be a leap year only when it is perfectly divisible by 400". Read More »
Source: answers.yahoo.com