Dhanteras, celebrated on the thirteenth day of Hindu Ashwin month (Oct-Nov) relates to the birth of Dhanvantari, the Father of Ayurveda.
Dhanvantari Trayodashi, the thirteenth day of Aswin month when Dhanvantari appeared on earth to bestow health on all people here.
Legend of Dhanvantari Birth
Shreemaad Bhagwat Puran and Sushrut Samhita, the ancient Hindu mythological books, mention the birth of Lord Dhanvantari who emerged on earth during Samudra Manthan- the cosmic churning of ocean by Devas (Gods) and Asuras (Demons).
Dhanvantri is depicted as Lord Vishnu with four hands holding:
• A pot of Amrita (elixir of life)
• Shankha (Conch Shell)
• Chakra (Wheel shaped weapon associated with Lord Vishnu), and
• Leech (Jalauka) in each of his hands.
He was born to protect human beings from diseases, untimely death and sorrows