While meteorological definitions set a standard date for autumn ... The astronomical autumn, scientifically defined by the equinox when day and night are nearly equal in length, falls on 23 ...
which is the first equinox of the year. Once the full moon date is set, then it's easy to determine when Easter will be. Easter dates are determined by the Pascal full moon, which can fall on ...
On the dates of the equinoxes in both March and September each year the Sun rises directly over the center-most of the five huge lotus towers that dominate the 12th-century temple complex in Cambodia.