Vitamin D

The sun, month by month

Sunrise and sunset in Helsinki in October

On October 1 in Helsinki the sun rises at 07:32 and sets at 18:46; on day 31 it rises at 07:48 and sets at 16:20. Over the month the day gets 163 minutes shorter.

Sunrise08:07
Sunset18:04
Golden hour17:03–18:04
Day length9 h 57 min

Day by day

All times are local to Helsinki. Dawn and dusk mark civil twilight.

DayDawnSunriseSunsetDuskDay length
106:5007:3218:4619:2811 h 14 min
206:5307:3418:4319:2511 h 09 min
306:5507:3718:4019:2211 h 03 min
406:5807:3918:3719:1910 h 58 min
506:6007:4218:3419:1610 h 52 min
607:0207:4418:3119:1310 h 47 min
707:0507:4718:2819:1010 h 41 min
807:0707:4918:2519:0710 h 36 min
907:1007:5218:2219:0410 h 30 min
1007:1207:5418:1919:0110 h 24 min
1107:1507:5718:1618:5810 h 19 min
1207:1707:5918:1318:5510 h 13 min
1307:1908:0218:1018:5210 h 08 min
1407:2208:0418:0718:4910 h 02 min
1507:2408:0718:0418:479 h 57 min
1607:2708:0918:0118:449 h 52 min
1707:2908:1217:5818:419 h 46 min
1807:3108:1517:5518:389 h 41 min
1907:3408:1717:5218:369 h 35 min
2007:3608:2017:4918:339 h 30 min
2107:3808:2217:4718:309 h 24 min
2207:4108:2517:4418:289 h 19 min
2307:4308:2717:4118:259 h 14 min
2407:4608:3017:3818:239 h 08 min
2507:4808:3217:3618:209 h 03 min
2606:5007:3516:3317:188 h 58 min
2706:5307:3816:3017:158 h 53 min
2806:5507:4016:2817:138 h 47 min
2906:5707:4316:2517:108 h 42 min
3006:6007:4516:2217:088 h 37 min
3107:0207:4816:2017:068 h 32 min

Approximate astronomical values: they can shift a minute or two from year to year.

What about vitamin D in October?

In October the sun doesn't climb high enough in Helsinki for vitamin D synthesis: the season to mind your diet or consider supplementation.

See the Helsinki vitamin D guide