Vitamin D from sunlight in U.S. Virgin 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 U.S. Virgin Islands.
| City | Latitude | Elevation | Vitamin D winter |
|---|---|---|---|
| Saint Croix | 17.73°N | 87 m | none |
The same sun that makes vitamin D also burns. UV index and sunburn times in U.S. Virgin Islands →