Vitamin D from sunlight in Gabon
How long you need in the sun to make vitamin D, and when the sun is too low to make any at all, for 3 cities in Gabon.
| City | Latitude | Elevation | Vitamin D winter |
|---|---|---|---|
| Libreville | 0.39°N | 8 m | none |
| Port-Gentil | 0.72°S | 4 m | none |
| Franceville | 1.63°S | 405 m | none |
The same sun that makes vitamin D also burns. UV index and sunburn times in Gabon →