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sundialclick to hear

Vertical or horizontal face with divisions that correspond to the hours of the day, which are indicated by the shadow of a gnomon cast by the Sun.
sundial shadow gnomon dial

shadow click to hear

Dark area that results when the gnomon blocks the sunlight and indicates the time in accordance with the position of the Sun.

gnomon click to hear

Part aligned with the Earth’s axis; its shadow indicates the time as it moves over the sundial.

dial click to hear

Face marked with numbers over which shadows are cast by the gnomon to indicate the approximate time of day.