howmuchsun

Vitamin D from sunlight in Venezuela

How long you need in the sun to make vitamin D, and when the sun is too low to make any at all, for 5 cities in Venezuela.

CityLatitudeElevationVitamin D winter
Caracas 10.49°N 887 m none
Maracaibo 10.64°N 0 m none
Valencia 10.16°N 547 m none
Barquisimeto 10.06°N 606 m none
Ciudad Guayana 8.35°N 103 m none

How these dates are calculated