The 2011 September equinox comes on September 23, at 4:05 a.m. CDT (9:05 UTC). So it happened at 5:05 eastern daylight tiime
September 22
The autumnal equinox in Eastern Standard Time typically occurs around September 22nd or 23rd each year. The exact time can vary, but it usually falls between 3:00 PM and 4:00 PM EST.
The autumnal equinox is also known as the fall equinox and the September equinox. An example of a sentence using "autumnal equinox" is "This year's autumnal equinox falls on a full moon. "
The "autumnal equinox" is a single point in time, not a period. In 2015, the autumnal equinox will happen at 08:20 (UT) on the 23rd September.
Google it. Or read what I have wrote: An Autumnal equinox occurs on September 2. It is a day when the day time approximately equals night time.
This year it is September 22, at 5:18 pm, Eastern Daylight Time. This is the moment of the Autumnal Equinox.
In 2011, the Autumnal Equinox begins on September 23rd.
Autumnal EquinoxAccording to the U.S. Naval Observatory, the Autumnal Equinox is at 5:18 pm EDT, September 22, 2009. (This is the equivalent of 14:18 PDT, or 21:18 UTC.) September 22nd at 2:18pm Pacific Standard Time.September 22nd at 5:18p.m Eastern Standard Time
In the Northern hemisphere, daylight hours decrease after the autumnal equinox.
September 22, 2009 5:18 PM Eastern, 2:18 PM Pacific is the Autumnal Equinox 2009
September 22
For a vernal equinox, it occurs is March 20th. For an autumnal equinox, it occurs September 22nd.