Interactive Astronomy Pages
The Eternal Dance of the Sun and Moon
Don't know your latitude and longitude?
- In the United States, use the
Geographical Name Server at the U.S. Bureau of the
- In England, Wales and Scotland,
convert Ordnance Survey grid coordinates to latitude and longitude.
- In Northern Ireland,
convert Irish Grid coordinates to latitude and longitude.
- A set of Java applets to convert between OSGB, OSNI and latitude/longitude.
When you do know your latitude and longitude ...
- Calculate the distance between any two points
on the Earth, using a formula that takes into account that the Earth isn't a
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Copyright 1995-2004 by David Harper and Lynne Marie Stockman
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Last modified on 1 September 2004