Ginkgo Mosaic Human Sundial

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The sundial is the earliest timekeeping device. The time of day is indicated by the pointer’s shadow when the sun is shining.

How does it work? 

Stand on the current month, raise your arms, and the sun will cast your shadow on the current time. Use blue numbers for standard time and red numbers for daylight savings time.

How it was made:

Springfield artist Christine Schilling and volunteers glued hundreds of glass and porcelain tiles face down onto mesh, which was embedded face up into wet concrete. The leaf of the Ginkgo tree echoes the elliptical shape of the sundial. As the world’s oldest surviving tree species, the Ginkgo dates back 200 million years and symbolizes resilience and hope.