Mid-Autumn Festival of the Hindu lunar month of Ashvin (September–October), marking the end of the monsoon season. In Sri Lanka, a full moon day is known as "Poya" and each full moon day is a public holiday. Shops and businesses are closed on these days as people prepare for the full moon. Exteriors of buildings are adorned with lanterns and people often make food and go to the temple to listen to sermons. The "Binara Full Moon Poya Day" and "Vap Full Moon Poya Day" occur around the time of the Mid-Autumn Festival and like other Buddhist Asian countries, the festivals celebrate
September equinox end of summer and the beginning of autumn (autumnal equinox) in the Northern Hemisphere, while marking the end of winter and the start of spring (vernal equinox) in the Southern Hemisphere. The September equinox is one point in time commonly used to determine the length of the tropical year. Date and time of the September equinox that occurred from the year 2010 to 2018 (UT) are listed as follows: The point where the Sun crosses the celestial equator southwards is called the first point of Libra. However, due to the precession of the equinoxes, this point is no longer in