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Bhaskarabda: A Luni-Solar Calendar

Bhaskarabda: A Luni-Solar Calendar:

The Assam Government has announced that Bhaskarabda, a Luni-Solar Calendar will be used as an official calendar.

  • Presently, the official calendar of Assam government makes use of the Saka calendar and the Gregorian calendar.
  • However, the Bhaskarabda calendar will also be used from now onwards.
  • Bhaskarabda, an era counted from the date of the ascension of a 7th-century local ruler Bhaskar Varman.
  • It is based on both the phases of the moon and the solar year.
  • It began when Bhaskaravarman was crowned ruler of the Kamrupa kingdom.
  • He was a contemporary and political ally of northern Indian ruler Harshavardhana.
  • The gap between Bhaskarabda and Gregorian is 593 years.

Type of Calendars:

  • Solar: Any dating system based on the seasonal year of approximately 365 1/4 days, the time it takes the Earth to revolve once around the Sun.
  • Lunar: Any dating system based on a year consisting of synodic months—i.e., complete cycles of phases of the Moon.
  • Luni-Solar: In the lunisolar calendar months are lunar but years are solar, it was used in the early civilizations of the whole Middle East and in Greece.

Bhaskarvarman (600–650):

  • He belonged to the Varman dynasty and was the ruler of Kamarupa Kingdom.
  • Kamarupa was one of the most advanced kingdoms in India under Bhaskaravarman. Kamarupa was the first historical kingdom of Assam.
  • His name has been immortalised in the accounts of the Chinese Buddhist pilgrim, Xuanzang, who visited Kamarupa during his reign.
  • He is known for his alliance with Harshavardhana against Shashanka, the first major ruler of Bengal (Karnasuvarna).