Ashvin (month)
In Hindu astrology, Ashvin begins with the Sun's enter into Virgo.It overlaps with September and October[1] of the Gregorian calendar and is the month in which Diwali, the festival of lights, is celebrated according to the amanta tradition (Diwali falls in Kartika according to the purnimanta tradition).The Ashvins are described as representing the "blending of light and darkness" during the twilight period.Ashwin is known as aipasi (ஐப்பசி) in Tamil and begins when the sun enters Libra in October.It's also called kunwaar (कुँवार) month in eastern Uttar Pradesh & western Bihar state.