Sundials - World's Oldest Clocks

North American Sundial Society

San Francisco  

Sundial 418
State/Province:  California Country:  USA
Dial Type:  Stone Sculpture Condition:  Excellent
Latitude:   Longitude:  
  • At the side of Academy of Sciences Building, Golden Gate Park
  • This is a 16 ton granite statue by Richard O'Hanlon entitled "Sunstone I" and was designed in collaboration with astronomer David Cudaback. A small wall of rock with a round inlay of dark stone is supported high upon two tall vertical slabs of granite. At the back is a "heel stone" with marks to show where the sunlight strikes at the Equinox and Solstice.
General Information:
  • Owner: City of San Francisco
  • Designer: Richard O'Hanlon and David Cudaback
  • Builder: Richard O'Hanlon