February 29

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February 29th, or bissextile day, is the 60th day of a leap year in the Gregorian Calendar, with 306 days remaining. A year which has a February 29 is, by definition, a leap year. This date only occurs every four years, in years evenly divisible by 4, such as 1988, 1996, or 2008, with the exceptions in century years not divisible by 400, such as 1900.

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[edit] Leap years

Main article: Leap year

A century year, that is, a year which ends in two zeros (1800, 1900, 2000, etc.), is not a leap year unless it is also evenly divisible by 400. This means that the year 2000 was a leap year and 2400 and 2800 will also be, but 1800 and 1900 were not leap years, and the years 2100, 2200, and 2300 will not be leap years either. To correct a slight inaccuracy that remains in the Gregorian Calendar, it has been proposed that years evenly divisible by 4000 should not be leap years, but this rule has not been officially adopted.

Because of this, a leap day is more likely to fall on a Monday than on a Sunday. If, for example, February 29 falls on a Sunday, you would expect it to fall on Sunday again after 28 years, but if there's a century year in these 28 years, the pattern can become disrupted. The Gregorian calendar repeats itself every 400 years, and 400 years have 97 leap days, which is not divisible by seven, so these days can never be distributed evenly. A leap day on a Sunday occurs 13 times in these 400 years, so approximately every 30.8 years, a Monday however occurs 15 times, which is roughly every 26.7 years. The concepts of the leap year and 'leap day' are distinct from the leap second, which is necessitated by changes in the Earth's rotational speed.

Those who are born on this day usually celebrate their birthdays on February 28 or March 1 during non-leap years. In the comic musical The Pirates of Penzance, Frederic, born on February 29, was apprenticed to a band of pirates until his 21st birthday, in theory until he was 88 years old (as his lifetime included a non-leap centennial year).

This day may be colloquially termed a leap day, though in the Roman calendar it was February 24 in a leap year which was added, giving the name of "bissextile" day or extra sixth day in the lead up to the 'Kalends' of March. The Romans, realizing the need for an extra day, chose February 24 in particular only because it followed the last day of their year, which at that point in history was February 23. An English law of 1256 decrees that in leap years the leap day and the day before are to be reckoned as one day for the purpose of calculating when a full year has passed; thus, in England and Wales a person born on February 29 legally reaches the age of 18 or 21 on February 28 of the relevant year. In the European Union, February 29 only officially became the leap day in 2000.

There is a quaint tradition that women may make a proposal of marriage to men only on February 29; this is a tightening of an older tradition that such proposals may only occur in leap years. In 1288 the Scottish parliament legislated that any woman could propose in Leap Year. Another component of this tradition was that if the man rejects the proposal, he should soften the blow by providing a kiss, one pound currency and a pair of gloves (some later sources say a silk gown). There were similar notions in France and Switzerland.

In France, there is a humorous periodical called La Bougie du Sapeur (the Sapper's Candle) published every February 29 since 1980. The name is a reference to the sapeur Camembert. In 2004, the seventh number of La Bougie du Sapeur, subtitled Dimanche, was published. The eighth issue will be published in 2008.

[edit] Events

[edit] Births

Leapling Births:

Image:Messagebox info.png A person who was born on 29 February may be called a "leapling". In non-leap years they usually celebrate their birthday on 28 February or 1 March.

For legal purposes, their legal birthdays depend on how different laws count time intervals. In Taiwan, for example, the legal birthday of a leapling is 28 February in common years, so a Taiwanese leapling born on 29 February 1980 would have legally reached 18 years old on 28 February 1998.

"If a period fixed by weeks, months, and years does not commence from the beginning of a week, month, or year, it ends with the ending of the day which proceeds the day of the last week, month, or year which corresponds to that on which it began to commence.  But if there is no corresponding day in the last month, the period ends with the ending of the last day of the last month.<ref>Article 121 of the [[s:Civil Code Part I General Principles|]] of the Republic of China in effect in Taiwan</ref>"

There are many instances in children's literature where a person's claim to be only a quarter of their actual age turns out to be based on counting their leap-year birthdays. A similar device is used in the plot of the Gilbert and Sullivan operetta The Pirates of Penzance.

[edit] Deaths

[edit] Holidays and observances

[edit] External links


February 28 - (February 30) - March 1 - January 29 - March 29 -- listing of all days

Months and Days of the Year
January 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
February 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 (29) (30)
March 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
April 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
May 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
June 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
July 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
August 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
September 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
October 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
November 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
December     1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
af:29 Februarie

ar:29 فبراير an:29 de frebero frp:29 fevriér ast:29 de febreru be:29 лютага bs:29. februar br:29 C'hwevrer bg:29 февруари ca:29 de febrer cv:Нарăс, 29 cs:29. únor co:29 frivaghju cy:29 Chwefror da:29. februar de:29. Februar et:29. veebruar el:29 Φεβρουαρίου es:29 de febrero eo:29-a de februaro eu:Otsailaren 29 fa:۲۹ فوریه fo:29. februar fr:29 février fy:29 febrewaris fur:29 di Fevrâr ga:29 Feabhra gd:29 an Gearran gl:29 de febreiro ko:2월 29일 hr:29. veljače io:29 di februaro ilo:Febrero 29 id:29 Februari ia:29 de februario os:29 февралы is:29. febrúar it:29 febbraio he:29 בפברואר jv:29 Februari ka:29 თებერვალი csb:29 gromicznika sw:29 Februari ku:29'ê reşemiyê lb:29. Februar lt:Vasario 29 li:29 fibberwarie lmo:29 02 hu:Február 29 mk:29 февруари ms:29 Februari nl:29 februari ja:2月29日 nap:29 'e frevaro no:29. februar nn:29. februar nov:29 de februare oc:29 de febrièr pl:29 lutego pt:29 de Fevereiro ksh:29. Febrowaa ro:29 februarie ru:29 февраля se:Guovvamánu 29. sco:29 Februar sq:29 Shkurt scn:29 di frivaru simple:February 29 sk:29. február sl:29. februar sr:29. фебруар su:29 Pébruari fi:29. helmikuuta sv:29 februari tl:Pebrero 29 tt:29. Febräl te:ఫిబ్రవరి 29 th:29 กุมภาพันธ์ vi:29 tháng 2 tr:29 Şubat uk:29 лютого vec:29 de febraro wa:29 di fevrî zh:2月29日

February 29

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