Sundials - World's Oldest Clocks

North American Sundial Society


Sundial: 465
State/Province:  Arizona Country:  USA
Dial Type:  Horizontal Dial Condition:  Good
  Latitude and Longitude: 32° 30.000' N  111° 0.000' W
  • On the north side of Steward Observatory at the University of Arizona
  • A simple square horizontal dial 20 x 20 inches carved in a 3 inch block of granite with a bronze gnomon. The dial has hour lines from 6am to 6pm for local solar time. No graph or table for longitude and Equation of Time corrections. Dial sits atop a 3 foot square pedestal.
General Information:
  • Owner: University of Arizona
  • Designer:
  • Builder:

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