Vitamin D from sunlight in Guinea-Bissau
How long you need in the sun to make vitamin D, and when the sun is too low to make any at all, for 1 city in Guinea-Bissau.
| City | Latitude | Elevation | Vitamin D winter |
|---|---|---|---|
| Bissau | 11.86°N | 13 m | none |
The same sun that makes vitamin D also burns. UV index and sunburn times in Guinea-Bissau →