Vitamin D from sunlight in Laos
How long you need in the sun to make vitamin D, and when the sun is too low to make any at all, for 2 cities in Laos.
| City | Latitude | Elevation | Vitamin D winter |
|---|---|---|---|
| Vientiane | 17.97°N | 174 m | none |
| Savannakhet | 16.57°N | 154 m | none |
The same sun that makes vitamin D also burns. UV index and sunburn times in Laos →