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{On a nearby plaque:}
Wendy Taylor, CBE, b. 1945
Tortoises with triangle and time, 2000
The sundial is man's oldest astronomical instrument. The gnomon, which casts a shadow on the dial to indicate the time, is parallel with the Earth's axis and points true north. Owing to a combination of the tilt of the Earth's axis and the varying speed of the Earth's elliptical progress around the sun, the time shown on the sundial will often differ by several minutes either way form Greenwich Mean Time, with a maximum difference of sixteen minutes during February and October. For a correct reading during British Summer Time, add one hour to the time shown on the sundial.

The Royal Borough of Kensington and Chelsea and Sculpture at Goodwood commissioned this sculpture to mark the arrival of a new Millennium. Its permanent acquisition was generously supported by Kensington and Chelsea Environmental Limited.