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Encyclopedia > February 30

February 30 occurs in some calendars, unlike the Gregorian calendar, where February contains only 28 or 29 days. The Gregorian calendar is the most widely used calendar in the world. ... For other uses, see February (disambiguation). ...

Swedish calendar February 1712
Swedish calendar February 1712

Contents

The picture shows two pages from a Swedish almanac from 1712. ... The picture shows two pages from a Swedish almanac from 1712. ...

Swedish calendar

The Swedish realm (which included Finland at the time) planned to change from the Julian calendar to the Gregorian calendar beginning in 1700 by omitting the leap days for the next 40 years. Thus 1700 was not a leap year in Sweden — but both 1704 and 1708 were leap years, contrary to the plan. This brought the Swedish calendar one day ahead of the Julian calendar but still ten days behind the Gregorian calendar. The Julian calendar was restored when, in 1712, two leap days were added, thus giving that year a February 30. That date corresponded to February 29 in Julian and March 11 in Gregorian counting. The Swedish changeover to the Gregorian calendar was finally accomplished in 1753. Motto: (Royal)  a For Sweden - With the Times [2] Anthem: Thou ancient, thou free Royal anthem: The Kings song Location of Sweden  (dark orange) – in the European Union  (light orange) – at the European continent  (EU + clear) — ( Legend) Capital (and largest city)  Stockholm Official languages Swedish (de facto)b Government... The Julian calendar was introduced in 46 BC by Julius Caesar and came into force in 45 BC (709 ab urbe condita). ... Events January 1 - Russia accepts Julian calendar. ... A leap year (or intercalary year) is a year containing an extra day or month in order to keep the calendar year in sync with an astronomical or seasonal year. ... Events January 1 - Russia accepts Julian calendar. ... A Leap Year (or intercalary year) is a year containing an extra day (or, in case of lunisolar calendars, an extra month) in order to keep the calendar year synchronised with the astronomical or seasonal year. ... Events Building of the Students Monument in Aiud, Romania. ... // Events March 23 - James Francis Edward Stuart lands at the Firth of Forth July 1 - Tewoflos becomes Emperor of Ethiopia September 28 - Peter the Great defeats the Swedes at the Battle of Lesnaya Kandahar conquered by Mir Wais In Masuria one third of the population die during the plague J... The Swedish Calendar in use from March 1, 1700 until February 30, 1712 was equivalent to the Julian calendar offset by one day. ... // Events Treaty of Aargau signed between Catholic and Protestants. ... A leap year (or intercalary year) is a year containing an extra day or month in order to keep the calendar year in sync with an astronomical or seasonal year. ... February 29th, or bissextile day, is the 60th day of a leap year in the Gregorian Calendar, with 306 days remaining. ... March 11 is the 70th day of the year in the Gregorian Calendar (71st in leap years). ... 1753 was a common year starting on Monday (see link for calendar). ...


Soviet revolutionary calendar

In 1929 the Soviet Union introduced a revolutionary calendar in which every working month had 30 days and the remaining 5 or 6 days were 'monthless' holidays. In this calendar, there existed a February 30 in the years 1930 and 1931; the revolutionary calendar was abandoned in 1931. However, the Gregorian calendar continued to be used in the Soviet Union during this period. This is confirmed by consulting the successive dates in daily issues of Pravda, the official newspaper of the Communist Party, in which February had 28 days in 1930 and 1931, but had 29 days in 1932, which agrees with the rules of the Gregorian calendar. 1929 (MCMXXIX) was a common year starting on Tuesday (link will take you to calendar). ... Page of the Soviet revolutionary calendar showing December 12, 1937 The Soviet revolutionary calendar was in use in the USSR from 1929 to 1940. ... This article or section does not adequately cite its references or sources. ... Year 1930 (MCMXXX) was a common year starting on Wednesday (link is to a full 1930 calendar). ... 1931 (MCMXXXI) was a common year starting on Thursday (link is to a full 1931 calendar). ... The front page of an issue of Pravda. ... The Communist Party of the Soviet Union (Russian: Коммунисти́ческая Па́ртия Сове́тского Сою́за = КПСС) was the name used by the successors of the Bolshevik faction of the Russian Social-Democratic Labour Party from 1952 to 1991, but the wording Communist Party was present in the partys name since 1918 when the Bolsheviks became the Russian... Year 1930 (MCMXXX) was a common year starting on Wednesday (link is to a full 1930 calendar). ... 1931 (MCMXXXI) was a common year starting on Thursday (link is to a full 1931 calendar). ... Year 1932 (MCMXXXII) was a leap year starting on Friday (the link will take you to a full 1932 calendar). ...


Early Julian calendar

The 13th century scholar Sacrobosco claimed that in the Julian calendar February had 30 days in leap years between 45 BC and 8 BC, when Augustus shortened February to give the month of August named after him the same length as the month of July named after his adoptive uncle Julius Caesar. However, all other historical evidence relating to the Julian calendar during this period refutes Sacrobosco, including dual dates with the Alexandrian calendar. See Julian calendar: Month lengths. (12th century - 13th century - 14th century - other centuries) As a means of recording the passage of time, the 13th century was that century which lasted from 1201 to 1300. ... Johannes de Sacrobosco or Sacro Bosco (John of Holywood, c. ... The Julian calendar was introduced in 46 BC by Julius Caesar and came into force in 45 BC (709 ab urbe condita). ... Centuries: 2nd century BC - 1st century BC - 1st century Decades: 90s BC 80s BC 70s BC 60s BC 50s BC - 40s BC - 30s BC 20s BC 10s BC 0s BC 0s Years: 50 BC 49 BC 48 BC 47 BC 46 BC 45 BC 44 BC 43 BC 42 BC... Centuries: 2nd century BC - 1st century BC - 1st century Decades: 50s BC 40s BC 30s BC 20s BC 10s BC - 0s BC - 0s 10s 20s 30s 40s 13 BC 12 BC 11 BC 10 BC 9 BC - 8 BC - 7 BC 6 BC 5 BC 4 BC 3 BC Births... The famous statue of Octavian at the Prima Porta Caesar Augustus (Latin:IMP·CAESAR·DIVI·F·AVGVSTVS) ¹ (23 September 63 BC–19 August AD 14), known to modern historians as Octavian for the period of his life prior to 27 BC, is considered the first and one of the most... August is the eighth month of the year in the Gregorian Calendar and one of seven Gregorian months with the length of 31 days. ... July is the seventh month of the year in the Gregorian Calendar and one of seven Gregorian months with the length of 31 days. ... Gaius Julius Caesar [1] (Latin pronunciation ; English pronunciation ; July 12 or July 13, 100 BC – March 15, 44 BC), often simply referred to as Julius Caesar, was a Roman military and political leader and one of the most influential men in world history. ... The Coptic calendar, also called the Alexandrian calendar, is used by the Coptic Orthodox Church. ... The Julian calendar was introduced in 46 BC by Julius Caesar and came into force in 45 BC (709 ab urbe condita). ...


Artificial calendars

Artificial calendars may also have thirty February dates. For example, in a climate model the statistics may be simplified by having twelve months of thirty days. The Hadley Centre GCM is an example.


Both the "Kings' Reckoning" and "Stewards' Reckoning" calendars in J. R. R. Tolkien's fictional stories of Middle-earth and Númenor included thirty days. John Ronald Reuel Tolkien (IPA ) CBE (January 3, 1892 – September 2, 1973) was a South African-born, English philologist, writer and university professor who is best known as the author of The Hobbit and The Lord of the Rings, as well as many other works. ... A map of the Northwestern part of Middle-earth at the end of the Third Age, courtesy of the Encyclopedia of Arda. ... Númenor is a fictional location from J. R. R. Tolkiens universe of Middle-earth and is intended to be his version of Atlantis. ...


Calendar reform proposals

Some calendar reform proposals do have February 30 like The 30x11 Calendar.


Trivia

George Walker Bush (born July 6, 1946) is the 43rd and current President of the United States, inaugurated on January 20, 2001. ... George W. Bushs trademark grins, hand gestures, and southern accent are often mocked alongside his verbal gaffes. ... ... Bryan Muir (born February 30th, 1973 in Winnipeg, Manitoba) is a professional ice hockey defenceman who currently plays for the Washington Capitals of the NHL. He won a Stanley Cup Championship with the Colorado Avalanche in 2001. ... NHL redirects here. ...

References

  • The Oxford Companion to the Year. Bonnie Blackburn & Leofranc Holford-Strevens. Oxford University Press 1999. ISBN 0-19-214231-3. Pages 98-99.
  1. ^ Bush video via the Late Show with David Letterman

The Late Show with David Letterman is an hour-long weeknight comedy talk show broadcast by CBS from the Ed Sullivan Theater on Broadway in New York City. ...

External links

  • Naturalists Almanac February 30
  • 30 days in February 1712
  • Change of calendars - Sweden

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

  Results from FactBites:
 
February 30 - Wikipedia, the free encyclopedia (820 words)
February 30 in the years 1930 and 1931; the revolutionary calendar was abandoned in 1931.
This is confirmed by consulting the successive dates in daily issues of Pravda, the official newspaper of the Communist Party, in which February had 28 days in 1930 and 1931, but had 29 days in 1932, which agrees with the rules of the Gregorian calendar.
The 13th century scholar Sacrobosco claimed that in the Julian calendar February had 30 days in leap years between 45 BC and 8 BC, when Augustus shortened February to give the month of August named after him the same length as the month of July named after his adoptive uncle Julius Caesar.
30 Feb History. (566 words)
That same day was reckoned as 29 February 1712 in those countries who still used the Julian calendar, and 11 March 1712 in those which had adopted the Gregorian calendar.
Sweden, which until 28 February 1700 had used the Julian calendar, had skipped 29 February 1700, with the intention, which it abandoned later, to make a gradual transition towards the Gregorian calendar (by skipping 29 February every 4 years until it found itself synchronized with the Gregorian calendar.
Thus, from 29 February (Julian) or 11 March (Gregorian) 1700, until 28 February (Julian) or 10 March (Gregorian) 1712, Sweden (which at the time included Finland) used a calendar which was one day ahead of the Julian calendar and 10 days behind the Gregorian calendar.
  More results at FactBites »

 
 

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