Kalachuri Era
{{Short description|Hindu year numbering system}}
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The Kalachuri era also called the Haihaya era was a Hindu system of year numbering started by the King Ishwarsena in which the year numbering started at some time from 248 to 250 CE.{{Cite book |url=https://books.google.com/books?id=9Bk8AAAAMAAJ |title=The New Encyclopaedia Britannica: Macropaedia (19 v.) |date=1983 |publisher=Encyclopaedia Britannica |isbn=978-0-85229-400-0 |pages=v. 4 p. 574 |language=en |quote=the Kalacuri era ( AD 248 ), founded by the Abhūrī king Iśvarasena and first used in Gujarat and Mahārāsh-tra and later (until the 13th century) in Madhya Pradesh and as far north as Uttar Pradesh.}}{{cite book |last=Chattopadhyaya |first=Sudhakar |url=https://books.google.com/books?id=78I5lDHU2jQC&q=%22Kalacuri+Era%22+-wikipedia&pg=PA100 |title=Some Early dynasties of South India |publisher=Motilal Banarsidass |year=1974 |isbn=81-208-2941-7 |page=100}}
Origin
The German scholar F. Kielhorn suggested that the system began in September 248, the year that began with the month of Asvina.{{Cite book|last=Morgan|first=E. Delmar|title=Transactions of the Ninth Oriental Congress of Orientalists, Vol. I|date=1893|pages=429|language=en}}{{Cite book|title=Indian Antiquary, Volume XIX|publisher=Kegan Paul, Trench, Trubner & Co.|year=1890|location=Bombay|pages=228|language=en}} It was first used in Gujarat and Maharashtra (particularly Northern Maharashtra{{Cite book|last=Agnihotri|first=V.K.|title=Indian History, Twenty-Sixth Edition|publisher=Allied Publishers|year=2010|isbn=978-81-8424-568-4|location=New Delhi|pages=xviii}}), from where it spread to Madhya Pradesh and Uttar Pradesh where it was used until the 13th century CE.{{Cite book |url=https://books.google.com/books?id=9Bk8AAAAMAAJ |title=The New Encyclopaedia Britannica: Macropaedia (19 v.) |date=1983 |publisher=Encyclopaedia Britannica |isbn=978-0-85229-400-0 |pages=v. 4 p. 574 |language=en |quote=the Kalacuri era ( AD 248 ), founded by the Abhūrī king Iśvarasena and first used in Gujarat and Mahārāsh-tra and later (until the 13th century) in Madhya Pradesh and as far north as Uttar Pradesh.}} Some sources cite an Early Kalachuri era founded in Mahismati through its ruler Maharaja Subandhu who could be an ancestor to the Kalachuris.{{Cite book|last=Spink|first=Walter|title=Ajanta: History and Development, Volume 7 Bagh, Dandin, Cells and Cell Doorways|publisher=BRILL|year=2017|isbn=978-90-04-31968-4|location=Leiden|page=12}}{{clarify|date=March 2024}}