Vitamin D from sunlight in Latvia
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 Latvia.
| City | Latitude | Elevation | Vitamin D winter |
|---|---|---|---|
| Riga | 56.95°N | 6 m | 7 Sep – 17 Apr (223 days) |
The same sun that makes vitamin D also burns. UV index and sunburn times in Latvia →