sundial
C17587
concept
A sundial is a timekeeping device that uses the position of the sun’s shadow cast by a fixed gnomon onto a marked surface to indicate the time of day.
Observed surface forms (2)
| Surface form | Occurrences |
|---|---|
| monumental sundial | 1 |
| solar marker | 1 |
Instances (8)
| Instance | Via concept surface |
|---|---|
| Shanku Yantra | — |
| Sundial Bridge at Turtle Bay | — |
| Yantra Raj | monumental sundial |
| Samrat Yantra | — |
| Nadi Valaya Yantra | — |
| Cassini meridian line | — |
| Solarium Augusti | solar marker |
| Time and Fates Sundial | — |