Bhishma Ashtami or Bhishmashtami is observed on Shukla paksha Ashtami in Magh month (January – February). In 2018, Bhishma Ashtami date is January 25.
Bhishma is known as the Kuru Vamsa Pitamaha (grandfather of Kaurava) and is described as the Lords of the Lord by Sri Krishna. As per the Mahabharata, Bhishma laid himself on the bed of arrows on Magh Shukla Ashtami day.
Bhishma Ashtami is celebrated with utmost fervor in Vishnu temples and ISKCON Temples. The five days beginning from Bhishma Ashtami to Bhishma Dwadasi are known as Bhishma Panchaka vrata.
Bhishma Tharpanam is performed on this day. Offering Tharpanam to Bhishma will make the devotee free from all his sins and makes him eligible for attainment of Moksha.
In 2017, Bhishma Ashtami date was February 4.
In 2016, Bhishma Ashtami date was February 15.
In 2015, Bhishma Ashtami date was January 27.
In 2014, Bhishma Ashtami date was February 7.
Bhishma Ashtami 2013 date was February 18.
Bhishma Ashtami 2012 date was January 31.