Astronomical Information

Sun or Moon Data for One Day
(Courtesy U.S. Naval Observatory Astronomical Applications Department)

You can obtain the times of sunrise, sunset, moonrise, moonset, transits of the Sun and Moon, and the beginning and end of civil twilight, along with information on the moon's phase by specifying the date and place below and clicking on the "Get data" button. You may choose any year or day you would like.

The place name you enter must be a city or town in the U.S. The place's location will be retrieved from a file with over 22,000 places listed. Either upper- or lower-case letters or a combination can be used. Spell out place name prefixes, as in "East Orange", "Fort Lauderdale", "Mount Vernon", etc. The only exception is "St.", which is entered as an abbreviation with a period, as in "St. Louis".

Specify date and place:

Year: Month: Day:

State or Territory:

City or Town Name:

Sun or Moon Data for One Year
(Courtesy U.S. Naval Observatory Astronomical Applications Department)