howmuchsun

Vitamin D from sunlight in Belarus

How long you need in the sun to make vitamin D, and when the sun is too low to make any at all, for 17 cities in Belarus.

CityLatitudeElevationVitamin D winter
Minsk 53.90°N 222 m 18 Sep – 5 Apr (200 days)
Homyel' 52.43°N 138 m 23 Sep – 31 Mar (190 days)
Hrodna 53.68°N 142 m 18 Sep – 5 Apr (200 days)
Vitebsk 55.19°N 150 m 14 Sep – 9 Apr (208 days)
Mahilyow 53.91°N 187 m 18 Sep – 5 Apr (200 days)
Brest 52.11°N 144 m 23 Sep – 31 Mar (190 days)
Bobruysk 53.15°N 153 m 20 Sep – 2 Apr (195 days)
Baranovichi 53.13°N 195 m 20 Sep – 3 Apr (196 days)
Barysaw 54.23°N 172 m 17 Sep – 6 Apr (202 days)
Pinsk 52.12°N 148 m 23 Sep – 30 Mar (189 days)
Mazyr 52.04°N 186 m 24 Sep – 29 Mar (187 days)
Lida 53.88°N 144 m 17 Sep – 5 Apr (201 days)
Orsha 54.51°N 174 m 16 Sep – 7 Apr (204 days)
Soligorsk 52.79°N 152 m 21 Sep – 1 Apr (193 days)
Novopolotsk 55.53°N 135 m 13 Sep – 11 Apr (211 days)
Maladziečna 54.32°N 161 m 16 Sep – 7 Apr (204 days)
Polotsk 55.49°N 126 m 13 Sep – 10 Apr (210 days)

How these dates are calculated