The Spring Equinox is associated with, or known as: Alban Eilir, Eostar, Eostre, Feast of Annunciation
of the Blessed Virgin Mary, Festival of Trees, Lady Day, NawRuz, No Ruz, Ostara,
Ostra, Rites of Spring, and the Vernal Equinox.
The spring equinox:
There are two days each year when the daytime and nighttime hours are
approximately equal -- each being 12 hours long. One occurs between March 19 and
21 and is called the Spring or Vernal Equinox. The other happens in September.
These dates have strong ties to religious celebrations, both ancient and modern.
Knowth.com videotaped an amazing video on the morning of 2005-MAR-23
inside of of Cairn T of the Loughcrew Megalithic Cairns. It is located about
50 miles northwest of Dublin in Ireland. They compressed a 50 minute transit
across the backstone in the Cairn into a 40 second video. See:
http://www.knowth.com/