Vitamin D from sunlight in Tajikistan
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 Tajikistan.
| City | Latitude | Elevation | Vitamin D winter |
|---|---|---|---|
| Dushanbe | 38.54°N | 767 m | 16 Nov – 1 Feb (78 days) |
| Isfara | 40.13°N | 824 m | 9 Nov – 8 Feb (92 days) |
| Istaravshan | 39.91°N | 979 m | 11 Nov – 7 Feb (89 days) |
The same sun that makes vitamin D also burns. UV index and sunburn times in Tajikistan →