Vitamin D from sunlight in Iraq
How long you need in the sun to make vitamin D, and when the sun is too low to make any at all, for 8 cities in Iraq.
| City | Latitude | Elevation | Vitamin D winter |
|---|---|---|---|
| Baghdad | 33.34°N | 41 m | 13 Dec – 3 Jan (22 days) |
| Mosul | 36.34°N | 228 m | 22 Nov – 26 Jan (66 days) |
| Erbil | 36.19°N | 429 m | 23 Nov – 24 Jan (63 days) |
| Basrah | 30.51°N | 4 m | none |
| Karbala | 32.62°N | 32 m | none |
| Kirkuk | 35.47°N | 346 m | 27 Nov – 20 Jan (55 days) |
| Abū Ghurayb | 33.31°N | 42 m | 14 Dec – 3 Jan (21 days) |
| Sulaymaniyah | 35.56°N | 847 m | 29 Nov – 18 Jan (51 days) |
The same sun that makes vitamin D also burns. UV index and sunburn times in Iraq →