Vitamin D from sunlight in Guam
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 Guam.
| City | Latitude | Elevation | Vitamin D winter |
|---|---|---|---|
| Dededo Village | 13.52°N | 98 m | none |
The same sun that makes vitamin D also burns. UV index and sunburn times in Guam →