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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 Year Explained - Infoplease

www.infoplease.com/spot/leapyear1.html

This new rule, whereby a century year is a leap year only if divisible by 400, is the sole feature that distinguishes the Gregorian calendar from the Julian calendar ...

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 ...

Think Leap Year is Every Four Years? Think Again. | Huffington Post

www.huffingtonpost.com/jacob-stewart/think-leap-year-is-every-_b_9131516.html

Feb 29, 2016 ... Because for the most part, Leap Year is every four years. ... Well according to the rules of the Gregorian calendar, the exceptions to this rule are ...

Leap Years - Math is Fun

www.mathsisfun.com/leap-years.html

Leap Years are any year that can be evenly divided by 4 (such as 2012, 2016, etc). except if it ... So another rule says that every 400 years is a leap year again.

rules for leap year

www.cs.usfca.edu/~cruse/cs210s05/leapyear.bob

However, this made the average length of the calendar-year slightly longer than ... Its rules are 1) years divisible by 400 ARE leap years (so, for example, 2000 ...

When is Leap Year? When is the next Leap Day? | The Old Farmers ...

www.almanac.com/content/when-next-leap-year

Find out the next Leap Day, how to calculate Leap Years, Leap Year folklore, and more on ... Here are the rules for leap year, just to set the record straight.

Leap Year 2016 February 29th - why is there an extra day every four ...

www.telegraph.co.uk/news/uknews/12177017/Leap-Year-2016-Why-does-February-have-29-days-every-four-years.html

Mar 1, 2016 ... Leap Year 2016: Why does February have 29 days every four years? .... The added rule about centuries (versus just every four years) was an ...

LEAP YEAR FAQ

www.dpbsmith.com/leapyearfaq.txt

Q: Is the year 2000 a leap year? A: Yes, because the rule is: in the Gregorian calendar, leap years occur in years exactly divisible by four, except that years ...

Answer
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.
More Info

Leap Year Nearly Every four years - Timeanddate.com

www.timeanddate.com

Feb 29, 2016 ... A leap year has 366 days, as opposed to a common year, which has 365. ... But the Julian calendar had only one rule: any year evenly divisible ...

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

www.infoplease.com

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.

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

www.theguardian.com

Feb 28, 2011 ... The following rule, devised recently by British maths brainiac Adam P Goucher, is much cleverer: years divisible by 128 are not a leap year, ...