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
March equinox about 18 hours 11 minutes "earlier" than the previous year. Balancing the increases of the common years against the losses of the leap years keeps the calendar date of the March equinox from drifting more than one day from 20 March each year. The March equinox may be taken to mark the beginning of spring and the end of winter in the Northern Hemisphere but marks the beginning of autumn and the end of summer in the Southern Hemisphere. In astronomy, the March equinox is the zero point of sidereal time and, consequently, right ascension. It also serves as a