Videos of the Sundial

Time-lapse Videos of the Sundial

Winter Solstice, December 21, 2023, by Mark Jones, Jones Visual Arts Group

The shadow tracks its most northerly path. Solar noon occurs at 12:05 PM PST. Carpenter Bee sits on dial from Noon to 1 PM

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Declination Line, August 23, 2023 Jones Visual Arts Group

The shadow tracks the black declination line between the Zodiac signs of Leo (orange) and Virgo (yellow). Solar noon occurs at 1:09 PM, PDT.

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Fall Equinox, September 22, 2023 Jones Visual Arts Group

The sun rises directly east and sets directly west, so the shadow follows a straight west to east line. At solar noon, 1:00 PM, PDT, the gnomon points directly at the sun, and the shadow disappears.

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Summer Solstice, June 21, 2023 Jones Visual Arts Group

The shadow tracks its most southerly path. Solar noon occurs at 1:09 PM, PDT.