Vitamin D from sunlight in Tonga
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 Tonga.
| City | Latitude | Elevation | Vitamin D winter |
|---|---|---|---|
| Nuku‘alofa | 21.14°S | 1 m | none |
The same sun that makes vitamin D also burns. UV index and sunburn times in Tonga →