howmuchsun

Vitamin D from sunlight in Angola

How long you need in the sun to make vitamin D, and when the sun is too low to make any at all, for 6 cities in Angola.

CityLatitudeElevationVitamin D winter
Luanda 8.84°S 73 m none
Viana 8.91°S 128 m none
Kikolo 8.78°S 73 m none
Calumbo 9.15°S 15 m none
Lubango 14.92°S 1,760 m none
Huambo 12.78°S 1,716 m none

How these dates are calculated