Vitamin D

The sun, month by month

Sunrise and sunset in Helsinki in December

On December 1 in Helsinki the sun rises at 09:00 and sets at 15:20; on day 31 it rises at 09:25 and sets at 15:22. Over the month the day gets 22 minutes shorter.

Sunrise09:20
Sunset15:12
Golden hour13:01–15:12
Day length5 h 51 min

Day by day

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

DayDawnSunriseSunsetDuskDay length
108:0509:0015:2016:156 h 19 min
208:0709:0215:1916:146 h 17 min
308:0809:0415:1816:146 h 14 min
408:1009:0615:1716:136 h 11 min
508:1109:0715:1616:126 h 09 min
608:1209:0915:1516:126 h 06 min
708:1409:1115:1516:116 h 04 min
808:1509:1215:1416:116 h 02 min
908:1609:1315:1316:115 h 60 min
1008:1709:1515:1316:105 h 58 min
1108:1809:1615:1316:105 h 57 min
1208:1909:1715:1216:105 h 55 min
1308:2009:1815:1216:105 h 54 min
1408:2109:1915:1216:105 h 52 min
1508:2209:2015:1216:105 h 51 min
1608:2309:2115:1216:105 h 51 min
1708:2409:2215:1216:105 h 50 min
1808:2409:2315:1216:105 h 49 min
1908:2509:2315:1216:115 h 49 min
2008:2609:2415:1316:115 h 49 min
2108:2609:2415:1316:125 h 49 min
2208:2709:2515:1416:125 h 49 min
2308:2709:2515:1416:135 h 49 min
2408:2709:2515:1516:135 h 50 min
2508:2709:2615:1616:145 h 50 min
2608:2809:2615:1716:155 h 51 min
2708:2809:2615:1816:165 h 52 min
2808:2809:2615:1916:175 h 53 min
2908:2809:2515:2016:185 h 54 min
3008:2809:2515:2116:195 h 56 min
3108:2709:2515:2216:205 h 57 min

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

What about vitamin D in December?

In December 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