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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    GeoAstro Applet Collection Page Last modified: 2008, Nov 28