howmuchsun

Vitamin D from sunlight in Hungary

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 Hungary.

CityLatitudeElevationVitamin D winter
Budapest 47.50°N 104 m 7 Oct – 15 Mar (160 days)
Debrecen 47.53°N 124 m 7 Oct – 15 Mar (160 days)
Szeged 46.25°N 84 m 11 Oct – 11 Mar (152 days)

How these dates are calculated