Sundials - World's Oldest Clocks

North American Sundial Society


Sundial: 128
State/Province:  Ontario Country:  Canada
Dial Type:  Horizontal Dial Condition:  Excellent
  Latitude and Longitude: 43° 40.000' N  78° 35.000' W
  • Toronto International Airport, by entrance
  • Approx 55 ft square Stone (concrete?) 4AM-8PM marked in Arabic numerals, half and quarter hours marked with lines. A huge dial. The gnomon is sunk below the outer level by a series of steps. The hours are marked by stone slab 'seats' spaced around the outer square. There are two seats at the noon position to allow for the width of the gnomon. This dial may have been destroyed by now in a rebuilding project.
General Information:Inscription:
  • Owner: Airport Authority
  • Plaque on S side, with EOT correction values.
  • Designer:
  • Builder:

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