Andal Jayanthi, or the birthday of Andal, is celebrated each year in the Tamil month of Aadi. Andal was a famous enlightened woman celebrated as a Tamil poet and saint. The festival is scheduled for the time when the Moon is in the star Purva Phalguni, called Pooram in Tamil. So the day is known as Aadi Pooram.https://www.astroved.com/astropedia/en/festivals/aadi-pooram
