About the Astronomical Applications Department
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Astronomical
Applications
Department
Data Services
Complete Sun and Moon Data for One Day
Rise/Set/Twilight Table for an Entire Year
What the Moon Looks Like Today
Dates of Primary Phases of the Moon
Altitude & Azimuth of Sun or Moon
Day/Night Across the Earth
Equinoxes, Solstices, Perihelion, Aphelion
Julian Date/Calendar Date Conversion
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Information Center
World Time Zones
U.S. Time Zones
Phases of the Moon
Universal Time and GMT
Daylight Time
The Dark Days of Winter
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Publications
The Almanacs
Astronomical Almanac Online
USNO Special Publications
Technical Reports
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Software
MICA
NOVAS
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Other Projects
Project Summaries
Technical Reports
About AA
Mission
Organization
History
Contact
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News
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Our Mission
Our Parent and Peer Organizations
Contacting the Department
History
USNO Internal Use
