howmuchsun

Vitamin D from sunlight in Tanzania

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 Tanzania.

CityLatitudeElevationVitamin D winter
Dar es Salaam 6.82°S 24 m none
Mwanza 2.52°S 1,144 m none

How these dates are calculated