Vitamin D from sunlight in Philippines
How long you need in the sun to make vitamin D, and when the sun is too low to make any at all, for 8 cities in Philippines.
| City | Latitude | Elevation | Vitamin D winter |
|---|---|---|---|
| Quezon City | 14.65°N | 49 m | none |
| Davao | 7.07°N | 13 m | none |
| Caloocan | 14.65°N | 6 m | none |
| Manila | 14.60°N | 13 m | none |
| Taguig | 14.52°N | 5 m | none |
| Budta | 7.20°N | 4 m | none |
| Malingao | 7.16°N | 5 m | none |
| Zamboanga | 6.91°N | 9 m | none |
The same sun that makes vitamin D also burns. UV index and sunburn times in Philippines →