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GeoAstro
Applets

Astronomy
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Chaos Game
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Miscel-

laneous

Web: http://www.GeoAstro.de/SiderealTime/

Local Sidereal Time:

Compute Local Apparent Sidereal Time (USNO Data Service)

 

Mean Local Time:

The clocks display the Zone Time and the Mean Local Time
which is determined by the mean Sun's position relative to the local meridian of the observer. It depends on the observer's geographic longitude.

 

 True Local Time:

The True Local Time is the "Solar Time" as indicated by a sundial.
At 12:00 TLT the sun is exactly at south (in the northern hemisphere).


Clocks for New York

Sidereal and Solar Time Clock


The applets are using the computer's system clock,
and the applet parameters for longitude, timezone and daylight saving.

Web Links

Local Apparent Sidereal Time (U.S. Naval Observatory)

The World Clock
time zone (and Coordinates) of cities worldwide.

Please visit my

Sun, Moon & Earth   GeoAstro Applet Collection Page

Last modified: 2008, Nov 28