Athens, Greece
| Flag | City | Country | School | Latitude (°) +N/-S | Longitude (°) +E/-W |
|---|---|---|---|---|---|
 |
Athens | Greece | Experimental College Agion Anargyron | 38.027 | 23.726 |
| Date | Gnomon | Shadow | Angle |
|---|---|---|---|
| 22 November 2021 | 13.5cm | 21.0cm | 57.3° |
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