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Hijri year

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Hijri year
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{{hatnote|This article is about the Islamic era. For discussion of the migration to Medina itself, see Hijra (Islam).}}{{Islam}}{{Today/AD/AH}}The Hijri year () or era ( at-taqwÄ«m al-hijrÄ«) is the era used in the Islamic lunar calendar, which begins its count from the Islamic New Year in 622 CE. During that year, Muhammad and his followers migrated from Mecca to Yathrib (now Medina). This event, known as the Hijra, is commemorated in Islam for its role in the founding of the first Muslim community (ummah).In the West, this era is most commonly denoted as AH ( {{IPAc-en|ˈ|æ|n|oÊŠ|_|ˈ|h|É›|dÊ’|áµ»|r|iː}}, 'in the year of the Hijra') in parallel with the Christian (AD), Common (CE) and Jewish eras (AM) and can similarly be placed before or after the date. In Muslim-dominated countries, it is also commonly abbreviated H ("Hijra") from its Arabic abbreviation hāʾ (}}). Years prior to AH 1 are reckoned in English as BH ("Before the Hijra"), which should follow the date.{{citation |url=http://www.sharjah.ae/registration-locations.aspx?Val=111 ||title=Official site |publisher=Government of Sharjah |location= |accessdate=21 January 2017 }}.Because the Islamic lunar calendar has only 354 or 355 days in its year, it slowly rotates relative to the Gregorian year. The year 2019 CE corresponds to the Islamic years AH {{#expr: floor( 2019 - 622 + (2019 - 622) / 32) }} – {{#expr: floor( 2019 - 622 + (2019 - 622) / 32)+1 }}. AH 1440 corresponds to 2018{{snd}}2019 in the Common Era.{{efn|See List of Islamic years#Modern.}}

Definition

The Hijri era is calculated according to the Islamic lunar calendar and not the Julian or Gregorian solar one. It thus does not begin on January 1, 1 CE, but on the first day of the month of Muharram, which occurred in 622 CE. Its Julian equivalent was April 19.Fazlur Rehman Shaikh, Chronology of Prophetic Events (London: Ta-Ha Publishers Ltd., 2001), p. 157.{{efn|It is sometimes mistakenly placed on July 16.{{cn|date=December 2018}} The error derives{{cn|date=December 2018}} from the tabular Islamic calendar which was devised by later Islamic astronomers. This reckons time backwards according to the lunar calendar, which causes it to miss the three intercalary months (about 88 days) added to the then-lunisolar calendar between the time of the Hijra and AH 10,{{cn|date=December 2018}} when Muhammad is recorded as having received a revelation prohibiting their use.QURAN, 9, 36–37, ns, .}}The date of the Hijra itself did not form the Islamic New Year. Instead, the system continues the earlier ordering of the months, with the Hijra occurring around the 8th day of Rabi al-Awwal, 66 days into the first year.

History

Predecessors

By the age of Muhammad, there was already an Arabian lunar calendar, with named months. Likewise, the years of its calendar used conventional names rather than numbers: for example, the year of the birth of Muhammad and of Ammar ibn Yasir (570 CE) was known as the "Year of the Elephant".Hajjah Adil, Amina, "Prophet Muhammad", ISCA, Jun 1, 2002, {{ISBN|1-930409-11-7}} The first year of the Hijra (622-23 CE) was named the "Permission to Travel" in this calendar.

Establishment

17 years after the Hijra,WEB, Ramadan and the Lunar Calendar,weblink Aisha El-Awady, Islamonline.net, 2006-12-16, 2002-06-11, WEB, The History of the Islamic Calendar in the Light of the Hijra,weblink Hakim Muhammad Said, Ahlul Bayt Digital Islamic Library Project, 2006-12-16, 1981, a complaint from Abu Musa Ashaari prompted the caliph Umar to abolish the practice of named years and to establish a new calendar era. Umar chose as epoch for the new Muslim calendar the hijrah, the emigration of Muhammad and 70 Muslims from Mecca to Medina.The Beginning of Hijri calendar{{snd}} Paul Lunde, Saudi Aramco World Magazine (November/December 2005), retrieved 1/1/2019 Tradition credits Othman with the successful proposal, simply continuing the order of the months that had already been established, beginning with Muharram.{{citation needed|date=September 2015}} Adoption of this calendar was then enforced by Umar.WEB, Islamic Actions and Social Mandates: The Hijri Calendar,weblink Umar bin Al-Khattab, witness-pioneer.org, 2006-12-16, 2002,

Formula

Different approximate conversion formulas between the Gregorian (AD or CE) and Islamic calendars (AH) are possible:Islamic and Christian Dating SystemsBOOK, Clark, Malcolm, Islam for dummies, 2013, John Wiley & Sons, Hoboken, N.J., 1118053966, 489,weblink BOOK, Hodgson, Marshall G. S., The venture of Islam conscience and history in a world civilization, 1977, University of Chicago Press, Chicago, 0226346862, 21,weblink
AH = 1.030684 × (CE − 621.5643)
CE = 0.970229 × AH + 621.5643
or
AH = (CE − 622) × 33 ÷ 32
CE = AH + 622 − (AH ÷ 32)
Given that the Islamic New Year does not begin January 1 and that a Hijri year is 11 days shorter than a Common Era year,1911 Encyclopædia Britannica/Hejira there is no direct correspondence between years of the two eras. A given Hijri year will usually fall in two successive Western years. A Western year will always fall in two or occasionally three successive Hijri years. For example, the year 2008 CE maps to the last week of AH 1428,WEB,weblink "Islamic New Year Observed Today; President Airs Wish for Peace on Amon Jadid Exhorts Muslims to Assist in Nat'l Resurgence" - Manila Bulletin, January 20, 2007 | Questia, Your Online Research Library, Questia.com, 2013-05-22, all of 1429,WEB,weblink Islamic New year to be observed on 11th January | AAJ News, Aaj.tv, 2008-01-10, 2013-05-22, and the first few days of 1430.Islamic Crescents' Observation Project, Visibility of Muharram Crescent 1430 AH Similarly, the year 2041 CE will correspond with the last few days of AH 1462, all of 1463, and the first week of 1464.{{cn|date=December 2018}}

See also

Notes

{{Notelist}}

References

{{Reflist}}
  • JOURNAL, F. A. Shamsi, The Date of Hijrah, Islamic Studies, 23, 1984, 189–224 & 289–332,

External links

{{EB1911 poster|Hejira|Hijri year}}

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