Dhantrayodashi which is also known as dhanteras puja. On this day, goddess Lakshmi came out of the ocean during the churning of the milky sea along with lord kubera who is the god of wealth is worshipped on the auspicious day of trayodashi. However Lakshmi puja on amavasya after two days of dhanteras is considered more significant.
Lakshmi puja on dhanteras should be during pradosh Kaal which starts after sunset and approximately lasts for 2 hours and 24 minutes.The best time for Lakshmi puja on dhanteras is during pradosh Kaal when sthir lagna prevails. Sthir means fixed i.e. not moveable. During sthir lagna, lakshmiji will stay in your home; hence this time is the best for dhanteras puja. The day of dhanteras is also observed that dhanwantari triodasi or dhanwantari jayanti, the birth anniversary of the god of ayurveda. Yamadeep is another ritual on the same trayodashi tithe when the lamp for the god of death is lit outside home to ward off any family members.
Story of dhanteras
Once, there was a king who was ruling his kingdom very happily. After several years in his house the birth of a baby boy. He was said by the astrologer that his son will die 4 days after the image. Then the king had started preventing his son from girls. He had hidden his son on the place where no lady was there. But once prince met his princess while passing his way. They had decided to getting married.
According to the prediction, after 4 days of marriage the yamdoot came there to take the life of prince. His wife started weeping then yamdoot asked to the Yamraj that please tell her a way to save his husband life. Yamraj said that the one who will worship him in the night trayodashi in the kartik Krishna paksha with the lamps facing to the south and has no fear of sudden death. That’s why people lit lamps outside their houses facing towards south on the day of dhanteras.