Vitamin D from sunlight in Algeria
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 Algeria.
| City | Latitude | Elevation | Vitamin D winter |
|---|---|---|---|
| Algiers | 36.73°N | 113 m | 16 Nov – 1 Feb (78 days) |
| Oran | 35.70°N | 118 m | 24 Nov – 23 Jan (61 days) |
| Constantine | 36.37°N | 574 m | 19 Nov – 29 Jan (72 days) |
The same sun that makes vitamin D also burns. UV index and sunburn times in Algeria →