Dhanteras, Dhan Trayodasi marks the beginning of Diwali festival in most of the places in India. In 2013, Dhanteras date is November 1, Friday.
The people of communities who are involved with business perform Lakshmi Pujan and Kuber Pujan for wealth and prosperity in their businesses.
This day is also observed as Dhanvantari Jayanti. Lord Dhanvantari is the Lord of Ayurveda (Indian Traditional Medicine) in Hinduism.
Gotriratra Vrat is observed on Dhanteras day. As Gau (cow) is considered as an aspect of Goddess Lakshmi, Gau Puja is observed during Diwali festival.