Vitamin D from sunlight in Madagascar
How long you need in the sun to make vitamin D, and when the sun is too low to make any at all, for 3 cities in Madagascar.
| City | Latitude | Elevation | Vitamin D winter |
|---|---|---|---|
| Antananarivo | 18.91°S | 1,274 m | none |
| Toamasina | 18.15°S | 12 m | none |
| Antsirabe | 19.87°S | 1,513 m | none |
The same sun that makes vitamin D also burns. UV index and sunburn times in Madagascar →