1A10.49 - 24 Hr Sidereal Clock

Code Number:
Demo Title:
24 Hr Sidereal Clock
Astronomical Day
Area of Study:
Sidereal Analog 24 Hour Clock, Standard/Regular Clock, Digital Sidereal Clock.

Google "Sidereal Time" and once you enter in the correct Longitude for this building you will be able to set the clocks.  Van Allen Hall will be 91.31 W Longitude.  Our telescope pad in Arizona is 110.36 W Longitude.  

The digital sidereal clock runs on 12 Volts.  Make sure you connect the leads to the battery correctly as connecting them backward will destroy the clock.


  • Assembly Instructions for Sidereal Clock Kit, MTM Scientific Inc, 2010.

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