howmuchsun

Vitamin D from sunlight in Serbia

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 Serbia.

CityLatitudeElevationVitamin D winter
Belgrade 44.80°N 120 m 16 Oct – 5 Mar (141 days)
Niš 43.32°N 194 m 22 Oct – 28 Feb (130 days)
Novi Sad 45.25°N 79 m 15 Oct – 7 Mar (144 days)

How these dates are calculated