Vitamin D from sunlight in Aland Islands
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 Aland Islands.
| City | Latitude | Elevation | Vitamin D winter |
|---|---|---|---|
| Mariehamn | 60.10°N | 11 m | 26 Aug – 29 Apr (247 days) |
The same sun that makes vitamin D also burns. UV index and sunburn times in Aland Islands →