Vitamin D

The sun, month by month

Sunrise and sunset in Reykjavik in October

On October 1 in Reykjavik the sun rises at 07:44 and sets at 18:49; on day 31 it rises at 09:17 and sets at 17:06. Over the month the day gets 196 minutes shorter.

Sunrise08:26
Sunset17:59
Golden hour16:48–17:59
Day length9 h 33 min

Where does the sun rise and set in Reykjavik in October?

Where it risesEast111°
Where it setsWest249°

Mid-October in Reykjavik: the sun rises in the east — a bearing of 111°, measured from true north — and sets in the west, at 249°. That is 21° south of due east at sunrise, and the same 21° south of due west at sunset. From the 1st to the last day of the month both points shift 26° south.

Approximate bearings: they can be a couple of degrees out. They are measured from true north, not the north a phone compass points to.

Day by day

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

DayDawnSunriseSunsetDuskDay length
106:5607:4418:4919:3711 h 05 min
206:5907:4718:4619:3310 h 59 min
307:0207:5018:4219:3010 h 52 min
407:0507:5318:3819:2610 h 46 min
507:0807:5618:3519:2310 h 39 min
607:1107:5918:3119:1910 h 32 min
707:1408:0218:2819:1610 h 26 min
807:1708:0518:2419:1210 h 19 min
907:2008:0818:2119:0910 h 13 min
1007:2308:1118:1719:0510 h 06 min
1107:2608:1418:1319:029 h 59 min
1207:2908:1718:1018:599 h 53 min
1307:3108:2018:0618:559 h 46 min
1407:3408:2318:0318:529 h 40 min
1507:3708:2617:5918:499 h 33 min
1607:4008:2917:5618:459 h 26 min
1707:4308:3317:5218:429 h 20 min
1807:4608:3617:4918:399 h 13 min
1907:4908:3917:4618:369 h 07 min
2007:5208:4217:4218:339 h 00 min
2107:5408:4517:3918:298 h 54 min
2207:5708:4817:3518:268 h 47 min
2308:0008:5117:3218:238 h 41 min
2408:0308:5417:2918:208 h 34 min
2508:0608:5817:2518:178 h 28 min
2608:0909:0117:2218:148 h 21 min
2708:1209:0417:1918:118 h 15 min
2808:1409:0717:1618:088 h 08 min
2908:1709:1017:1218:068 h 02 min
3008:2009:1417:0918:037 h 56 min
3108:2309:1717:0618:007 h 49 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 Reykjavik for vitamin D synthesis: the season to mind your diet or consider supplementation.

See the Reykjavik vitamin D guide

Common questions about the sun in Reykjavik in October

Where does the sun set in Reykjavik in October?
Mid-October in Reykjavik: the sun sets in the west, a bearing of 249° measured from true north, which is 21° south of due west. It rises in the east, at 111°. Over the month both points shift 26° south.
How much daylight does Reykjavik lose in October?
Over October the day gets 196 minutes shorter in Reykjavik: on October 1 the sun rises at 07:44 and sets at 18:49, and on day 31 it rises at 09:17 and sets at 17:06.
How many hours of daylight does Reykjavik get in October?
In mid-October the day lasts 9 h 33 min in Reykjavik, from sunrise at 08:26 to sunset at 17:59. The table has the day length for each of the 31 days of the month.
What time does it start to get light in Reykjavik in October?
In mid-October the sky starts to get light at 07:37 in Reykjavik, when the sun is 6° below the horizon, and the sun itself does not rise until 08:26. The “Dawn” column of the table gives that time for every day of the month.
What time does it get dark in Reykjavik in October?
It's not the same time as sunset. In mid-October in Reykjavik the sun sets at 17:59, but there is still light: civil twilight does not end until 18:49, when the sun reaches 6° below the horizon and usable outdoor light runs out. The “Dusk” column of the table gives that time day by day.
What time of day can you make vitamin D in Reykjavik in October?
At no time of day. Not even at midday on October 15 does the UV index reach 3 in Reykjavik, and below that minimum the skin makes no vitamin D, however long you stay out. In October it is the season to mind your diet or consider supplementation.