The calendar formation year is considered as 963 Hijra Year, Islamic Calendar and from that year forward it has been followed as a solar year or Samavat Calendar. The name and number of the Days and the Months are same as Islamic calendar. The first day of the year is 7 or 8 June.
Fasli Calendar is a chronological system introduced by the Mughal emperor Akbar basically for land revenue and records purposes in northern India, The differences in records dates due to the Muslim lunar calendar because of moon sighting have led him to introduce an alternate calendar which follows simultaneously with Islamic Lunar calendar and Hindu Samavat solar Calendar. Which can give the fix dating system.
Akbar insistence to equalize the Fasli calendar according to Islamic Lunar calendar accordingly with Hindu Samavat Calendar, thus he took 649 years from the Samavat Calendar year in order to make the Fasli year 963. Since then, the Fasli calendar proceeded according to the Samavat Calendar.
Introduction in Deccan
Shah Jahan the grandson of Akbar, introduced Fasli Calendar in 1630 AD, to Deccan Suba (South India), which continued as an official calendar of Asaf Jahi rulers of Hyderabad State, until last Nizam, Osman Ali Khan, Asaf Jah VII annexed Hyderabad State to Indian Union.
After India annexed Hyderabad State, last Nizam, Osman Ali Khan, Asaf Jah VII was made rajpramukh who used to follow and mention Fasli Calendar in his official sanctions and records. Currently Andhra Pradesh State Wakf Board, Nizam Trust follows Fasli Calendar simultaneously with Gregorian calendar and Islamic calendar to maintain records. The Andhra Pradesh Government, Karnataka Government and the Tamil Nadu Government still follows Fasli Year in all of their revenue and judiciary purposes.
- "Faṣlī era". Retrieved 21 August 2011.
- "LAND REVENUE" (PDF). Archived from the original (PDF) on 24 March 2012. Retrieved 21 August 2011.
- L.D.S. Pillai (1996). Panchang and Horoscope: Or the Indian Calendar and Indian Astrology. p. 11. ISBN 81-206-0258-7. Retrieved 22 August 2011.
- Kavasji Sorabji Patel (1866). Cowasjee Patell's Chronology. Trubner. p. 52. Retrieved 22 August 2011.
- V. Ramakrishna Reddy. Economic history of Hyderabad State: Warangal Suba, 1911-1950. Retrieved 21 August 2011.
- "WHOLESALE PRICE TREND". Retrieved 22 August 2011.