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MALICIOUS CONTENT INDICATORS
Aa.usno.navy.mil most likely does not offer any malicious content.
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Aa.usno.navy.mil most likely does not offer any adult content.
Popular pages
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World Time Zone Map
High resolution versions of the world time zone map by H.M. Nautical Almanac Office.
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US Naval Observatory Astronomical Applications Department
US Naval Observatory Astronomical Applications Department
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Complete Sun and Moon Data for One Day
This data service provides times of Sun and Moon rise and set, transit, and the beginning and end of civil twilight, as was as Moon phase information for one day.
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US Naval Observatory Astronomical Applications Department
Skip to main content Here’s how you know Here’s how you know The .gov means it’s official. Federal government websites often end in .gov or .mil. Before ...
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Altitude and Azimuth of the Sun or Moon During One Day
This data service calculates the position of the Sun or Moon for one day.
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Astronomical and Navigational Almanacs
Provides information and links to the HMNAO/USNO produced publications including ordering information.