William Calvert Hallmark
historic site
- Built
- 1936
- Material
- aluminium
- Operated by
- Texas Historical Commission
- 4.8 mi off the Texas Forest Trail
| Date | Sunrise | Golden hour | Sunset |
|---|---|---|---|
| March equinox | 07:27 | 19:02 | 19:34 |
| June solstice | 06:19 | 19:55 | 20:30 |
| September equinox | 07:11 | 18:48 | 19:20 |
| December solstice | 07:18 | 16:48 | 17:25 |
Local time (America/Chicago).
31.21148, -95.56463
Elevation 83 m (modelled from terrain)