Vitamin D from sunlight in Jersey
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 Jersey.
| City | Latitude | Elevation | Vitamin D winter |
|---|---|---|---|
| Saint Helier | 49.19°N | 11 m | 5 Oct – 18 Mar (165 days) |
The same sun that makes vitamin D also burns. UV index and sunburn times in Jersey →