User Manual: "Useful Links..." return to MAIN DISPLAY How to Use the Settings Pop-Up Useful Links (find my Lat/Long etc) What is Planetary-Magickal Time? Time Zone Table Planetary-Magickal & Solar Calculation Glossary

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Useful & Educational Links:

Latitude and Longitude:

• ZipInfo.com find U.S. lat/long from zip code
• U.S. Geological Survey GNIS Query Form to locate features within the U.S.
• U.S. Census Bureau TIGER Map Service for locations in the U.S.
• Worldwide Directory of Cities and Towns from the Global Gazetteer
• PlacesNamed.com Geographic Encyclopedia for U.S.
• Geographic Names Information System (GNIS) from Yale's Peabody Museum (U.S.)

Daylight Saving Time:

• Daylight Saving Time information for the U.S.
• UIUC Daylight Saving Time more information
• Australia's Daylight Saving Times
• Canadian Time Zone and Daylight Saving Time

Time and Timekeeping:

• The Official U.S. Time from the National Institute of Standards and Technology
• A Walk Through Time -- a great overview of the history of timekeeping
• USNO's Systems of Time page Does anybody really know what time it is?
• Local Apparent Sidereal Time from the USNO

Calculations:

• Low Accuracy Rise/Set Equations in PDF format
• National Renewable Energy Laboratory Solar Codes and Algorithms
• U.S. Naval Observatory online calculators for solar and lunar position
• JPL's Horizons System accurate ephemerides for solar system objects

Education:

• Solar Learning Activities from NASA and Montana State University
• Analemma Page describes how earth's tilt affects us

Merchants of Atlantis Gratefully acknowledges the United States Naval Observatory, the National Oceanic and Atmospheric Administration and its Surface Radiation Research Branch for making available their Information as a public service.