Sundials - World's Oldest Clocks

North American Sundial Society

Tempe  

Sundial: 23
State/Province:  Arizona Country:  USA
Dial Type:  Horizontal Dial Condition:  Excellent
  Latitude and Longitude: 33° 24.000' N  111° 54.000' W
Location: Access: This is a private dial. See below for access details.
  • Private Residence
 
Description:
  • A horizontal dial from Picture Rock Sandstone with 24k gold-plated inlaid brass fittings, 25 inches wide by 36 inches long, with gnomon 12.5 inches high. Gnomon is 1.5 inches thick. Total sundial weight 110 lbs.

    Time is marked in 10 minute intervals. Has Equation of Time and moonlight reading time correction table. Has the time and direction of sunrises and sunsets, the solstices, equinoxes, solar azimuth, and high noon.
 
General Information:
  • Owner: Private Residence
  • Designer: John Carmichael
  • Builder: John Carmichael
  • Construction Date: 3-Aug
 

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