Vitamin D from sunlight in Sudan
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 Sudan.
| City | Latitude | Elevation | Vitamin D winter |
|---|---|---|---|
| Khartoum | 15.55°N | 381 m | none |
| Nyala | 12.05°N | 661 m | none |
| Port Sudan | 19.62°N | 10 m | none |
The same sun that makes vitamin D also burns. UV index and sunburn times in Sudan →