San Francisco Sundials


The Ingleside Terraces Sundial on Entrada Court was built at the at the time of the original development of Ingleside Terraces. The gnomon is 28'4" long. As evidenced by the plaque at its base, it was dedicated on October 10, 1913, the same day as the "meeting of the waters" in the Panama Canal.	This sundial is located in Hilltop Park in the Bayview District of San Francisco. The steel gnomon is 78 feet long. More information about San Francisco sundials is found at sundials.org

How to tell time with the Ingleside Terraces sundial:

10:32 suntime, 11:35 PDT Sep 20	12:00 suntime, 13:11 PDT Jun 20 summer solstice	Doesn't work if it's foggy.	15:28 suntime, 16:31 PDT Sep 19
Use the shadow to the left in the morning, to the right in the afternoon, and the center at noon. Right click the images to view larger images and the 15' and 30' time markings in the concrete.
Solar Noon, 12:00 on a sundial, occurs in San Francisco at the following local times (for the 21st of each month):
January 12:21 PST	April 13:08 PDT	July 13:16 PDT	October 12:54 PDT
February 12:23 PST	May 13:06 PDT	August 13:13 PDT	November 11:55 PST
March 13:17 PDT	June 13:11 PDT	September 13:03 PDT	December 12:07 PST