Earth, Moon, and Sun

NOTE: The white dashed plot to the right is the previous Moon path up to Moonset.
The plot to the left is for the upcoming Moonrise until midnight tonight.

• Noon is technically when the Sun is at Zenith.
• Morning civil twilight is when the Sun is 6° below the horizon and ends at Sunrise.
• Evening civil twilight begins at Sunset and ends when the Sun reaches 6° below the horizon.
• Nautical twilight is when the Sun is between 6° and 12° below the horizon.
• Astronomical twilight is when the Sun is between 12° and 18° below the horizon.

First Quarter Moon	Full Moon	Last Quarter Moon	New Moon
Sun, 04-Sep-2011 12:40pm CDT 17:40 UTC 4 September 2011	Mon, 12-Sep-2011 4:27am CDT 09:27 UTC 12 September 2011	Tue, 20-Sep-2011 8:39am CDT 13:39 UTC 20 September 2011	Tue, 27-Sep-2011 6:09am CDT 11:09 UTC 27 September 2011

Vernal Equinox Start of Spring	Summer Solstice Start of Summer	Autumn Equinox Start of Fall	Winter Solstice Start of Winter
Sun, 20-Mar-2011 6:21pm CDT 23:21 UTC 20 March 2011	Tue, 21-Jun-2011 12:17pm CDT 17:17 UTC 21 June 2011	Fri, 23-Sep-2011 4:05am CDT 09:05 UTC 23 September 2011	Wed, 21-Dec-2011 11:31pm CST 05:31 UTC 22 December 2011

Moon Ephemeris