In this section, you will be able to find out astronomincal data for a location of your choice. Astronomical data is only available for locations in the United States and its territories. Within each data set, you will see the sunrise/sunset times, moonrise/moonset times, civil twilight start and end times, and the current phase of the moon. In addition, you can get any one of the preceeding pieces of data in a yearly table for a location of your choosing, such as sunrise/sunset times for Detroit, Michigan. Astronomical data is available for many years in advance of the present time and many years before the present time.
|Above: Lake Huron Sunset
[ Obtain Data for a Specific Date | Obtain Data for an Entire Year ]
This data set provides a way for you to obtain a table of the times of
sunrise/sunset, moonrise/moonset, or the beginning and end of twilight,
for one year. Simply specify the year, the type
of table, and location in the form below and click-on the "Compute
Table" button. The table will provide the data requested in local
standard time on a 24-hour clock; for example, 1836 means 6:36 p.m., local, standard time.
The location name you enter must be a city or town in the U.S. The location will be retrieved from a database with over 22,000 locations available.
Either upper- or lower-case letters or a combination of both may be used. Spell
out place name prefixes, i.e. "East Orange," "Fort
Lauderdale," and "Mount Vernon,". The only exception is "St.,"
which is entered as an abbreviation with a period, i.e. "St. Louis."
Specify year, type of table, and city or town:
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