The festival of Dhanteras is also known as Dhantrayodashi and Dhanvantari Trayodashi (Dhanwantari Trayodashi). This festival marks the beginning of the Diwali celebrations and it is considered the first day of five days long festivities of Diwali. The term ‘Dhanteras’ includes of two factors ‘dhan’, which means wealth and ‘teras’, which means thirteenth. Here thirteenth is meant to indicate the day ‘Trayodashi’, i.e. the thirteenth day of the month on which Dhanteras falls. Dhanvantari Trayodashi (Dhanwantari Trayodashi) is celebrated on the thirteenth lunar day of Krishna Paksha, of the Hindu month of Kartik, which is two days before Diwali.