Dhanteras is the first day of the five-day Diwali Festival as celebrated in parts of north India. The festival, known as "Dhanatrayodashi" or "Dhanvantari Trayodashi".The word Dhan means wealth and Teras means 13th day as per Hindu calendar. It is celebrated on the thirteenth lunar day of Krishna paksha in the Hindu calendar month of Ashwin.
On Dhanteras, Lakshmi - the Goddess of wealth - is worshiped to provide prosperity and well being. It is also the day for celebrating wealth, as the word 'Dhan' literally means wealth and 'Tera' comes from the date 13th (trayodashi in Sanskrit and Teras in Hindi). In the evening, the lamp is lit and Dhan-Lakshmi is welcomed into the house. Alpana or Rangoli designs are drawn on pathways including the goddess' footprints to mark the arrival of Lakshmi. Aartis or devotional hymns are sung eulogizing Goddess Lakshmi and sweets and fruits are offered to her. People flock to the jewellers and buy gold or silver jewellery or utensils to venerate the occasion of Dhanteras. Many wear new clothes and wear jewellery as they light the first lamp of Diwali while some engage in a game of gambling.