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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 synchronized with the astronomical or ...

Leap Year Nearly Every four years - Timeanddate.com

www.timeanddate.com/date/leapyear.html

Feb 29, 2016 ... However, the Gregorian calendar has only 365 days in a year, so if we didn't add a leap day on February 29 nearly every four years, we would ...

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

www.infoplease.com/spot/leapyear2.html

Learn what leap year is, when it is and why we need it.

2016 is a leap year | Earth | EarthSky

earthsky.org/earth/why-do-we-need-leap-years

Feb 29, 2016 ... We need leap years to help synchronize our calendar with Earth's orbit around the sun and the actual passing of the seasons.

Leap year: What are they and why do we have leap days? | Science ...

www.independent.co.uk/news/science/google-doodleleap-day-2016-what-is-a-leap-year-and-why-do-we-have-them-a6897486.html

Feb 29, 2016 ... Normally our calendar years are made up of 365 days, but every four years we add a day to make what is known as a 'leap year'. Here's why: ...

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 Roman calendar used to have 355 days with an extra 22-day ...

Leap Year: EnchantedLearning.com

www.enchantedlearning.com/time/leapyear/

That is why we have a leap year roughly every 4 years, to synchronize the seasons with our calendar; if we had a 365-day calendar every year, the seasons  ...

Leap years - 2016 Calendar

www.calendar-365.com/leap-years.html

Leap years. All upcoming leap years are listed on this page. Every leap year is clearly stated, see also other interesting stuff like calendars, moon calendars, ...

Leap Year 2012: Why We Need February 29

news.nationalgeographic.com/news/2012/02/120229-leap-year-day-february-29-calendar-cultures-science/

Feb 29, 2012 ... Find out why we need February 29, when leap day was adopted, and how cultures with other systems for tracking time handle their calendars.

www.ask.com/youtube?q=Leap Year Calendar&v=56zlm9qhVGc
Feb 22, 2012 ... Epipheo shows you how, based on astronomy, the Gregorian Calendar uses leap year to keep us in tune with the sun, the stars, the universe ...
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

Next Leap Day: February 29, 2020 - Timeanddate.com

www.timeanddate.com

Feb 29, 2016 ... A Leap Day, February 29, is added to the calendar during leap years. This extra day makes the year 366 days long – not 365 days, like a ...

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

www.almanac.com

A “Leap” Day is an extra day on February 29 which is added nearly every 4 years to today's Gregorian calendar. A “leapling” is a person born in a leap year.

Why do we have leap year? - Ask History

www.history.com

Feb 19, 2014 ... Nearly every four years, we add an extra day to the calendar in the form of February 29, also known as Leap Day. Put simply, these additiona...