howmuchsun

Vitamin D from sunlight in Sierra Leone

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 Sierra Leone.

CityLatitudeElevationVitamin D winter
Freetown 8.49°N 38 m none
Kenema 7.88°N 182 m none
Bo 7.96°N 104 m none

How these dates are calculated