Vitamin D from sunlight in Russia
How long you need in the sun to make vitamin D, and when the sun is too low to make any at all, for 27 cities in Russia.
| City | Latitude | Elevation | Vitamin D winter |
|---|---|---|---|
| Moscow | 55.75°N | 155 m | 14 Sep – 10 Apr (209 days) |
| Saint Petersburg | 59.94°N | 11 m | 29 Aug – 26 Apr (241 days) |
| Novosibirsk | 55.02°N | 113 m | 19 Sep – 4 Apr (198 days) |
| Yekaterinburg | 56.86°N | 278 m | 14 Sep – 9 Apr (208 days) |
| Nizhniy Novgorod | 56.33°N | 141 m | 13 Sep – 10 Apr (210 days) |
| Kazan | 55.79°N | 61 m | 16 Sep – 8 Apr (205 days) |
| Chelyabinsk | 55.16°N | 232 m | 20 Sep – 4 Apr (197 days) |
| Omsk | 54.99°N | 90 m | 20 Sep – 3 Apr (196 days) |
| Samara | 53.21°N | 107 m | 24 Sep – 30 Mar (188 days) |
| Rostov-on-Don | 47.22°N | 54 m | 11 Oct – 12 Mar (153 days) |
| Ufa | 54.74°N | 158 m | 20 Sep – 3 Apr (196 days) |
| Krasnoyarsk | 56.04°N | 182 m | 15 Sep – 9 Apr (207 days) |
| Voronezh | 51.67°N | 148 m | 27 Sep – 27 Mar (182 days) |
| Volgograd | 48.71°N | 42 m | 7 Oct – 16 Mar (161 days) |
| Perm | 58.01°N | 149 m | 10 Sep – 14 Apr (217 days) |
| Saratov | 51.54°N | 80 m | 28 Sep – 25 Mar (179 days) |
| Tyumen | 57.15°N | 81 m | 13 Sep – 10 Apr (210 days) |
| Tolyatti | 53.53°N | 42 m | 23 Sep – 31 Mar (190 days) |
| Izhevsk | 56.85°N | 155 m | 13 Sep – 10 Apr (210 days) |
| Barnaul | 53.36°N | 197 m | 25 Sep – 29 Mar (186 days) |
| Ulyanovsk | 54.33°N | 176 m | 20 Sep – 3 Apr (196 days) |
| Irkutsk | 52.30°N | 415 m | 25 Sep – 29 Mar (186 days) |
| Yaroslavl | 57.63°N | 103 m | 8 Sep – 16 Apr (221 days) |
| Tomsk | 56.50°N | 122 m | 15 Sep – 9 Apr (207 days) |
| Orenburg | 51.77°N | 124 m | 29 Sep – 24 Mar (177 days) |
| Kemerovo | 55.35°N | 114 m | 18 Sep – 6 Apr (201 days) |
| Novokuznetsk | 53.76°N | 213 m | 23 Sep – 31 Mar (190 days) |
The same sun that makes vitamin D also burns. UV index and sunburn times in Russia →