Yagnavalkya Jayanti (Yajnavalkya Jayanti) is observed with utmost fervor by some communities in India. It is observed on Shukla Paksha Dasami in Kartik month by some communities. In 2017, Yagnavalkya Jayanti date is October 30.
Some other communities observe Yagnavalksya Jayanti on Shukla Paksha Panchami in Falgun Month. Yagnavalkya (Yajnavalkya) was one of the great sages of Vedic India.
Yagnavalkya rushi who belongs to Mithila was a legendary sage credited with the authorship of great Hindu ritual text named ‘Shatapatha Brahmana. He was known as the author of some other prominent scriptures including Bruhadaranyaka Upanishad, Yagnavalkya Samhita and Yagnavalkya Smriti.
Yagnavalkya jayanthi is celebrated with lot of gusto by the Brahmin communities in Tamil Nadu, Karnataka, Kerala and Andhra Pradesh. It is also celebrated in Uttar Pradesh, Madhya Pradesh and Bihar.