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Need to know your legal
flying times?
Below is an interactive form that will produce a yearly table of
sunrise/sunset, moonrise/moonset, nautical twilight,
astronomical twilight, and most important for Sport Pilots and FAR 103 airman,
civil twilight.
This information is retrieved from:
Astronomical Applications Dept.
U. S. Naval Observatory
Washington, DC 20392-5420
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Year:
The place you enter above 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".
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