Siem Reap: Every year, the equinox happens twice, when day and night are of equal length. In the dry season, the Vernal Equinox occurs in March, and Autumnal Equinox in September.
The sun will, at dawn on March 21, rise from the centre of Angkor Wat temple.
the event can be witnessed at the Western Gate of the temple, from around 5.50-7 am.