From Hindupedia, the Hindu Encyclopedia

By Swami Harshananda

Aṃhaspati literally means ‘lord of sins’.

An intercalary month, especially the kṣayamāsa (the lunar month omitted for adjustments of the calendar) is called ‘aṃhaspati’ in the Vedas.[1]


  1. Vājasaneyī Samhitā 22.30, 31
  • The Concise Encyclopedia of Hinduism, Swami Harshananda, Ram Krishna Math, Bangalore