Vitamin D

The sun, month by month

Sunrise and sunset in Amsterdam in January

On January 1 in Amsterdam the sun rises at 08:51 and sets at 16:37; on day 31 it rises at 08:26 and sets at 17:22. Over the month the day grows 69 minutes longer.

In Amsterdam (52.4° latitude), January 2026 has 31 days whose sun rises at 08:51 and sets at 16:37 on the 1st, and at 08:26 and 17:22 on the 31th. Mid-month the day lasts 8 h 11 min and the sun reaches 16° above the horizon. Even so, the UV index never reaches 3 at any point in the month: at this latitude and time of year, the ozone layer absorbs UVB before enough of it reaches the ground. So in January there is no vitamin D synthesis in Amsterdam at any hour of the day, however long you stay out.

Sunrise08:44
Sunset16:55
Golden hour15:56–16:55
Day length8 h 11 min

Where does the sun rise and set in Amsterdam in January?

Where it risesSoutheast125°
Where it setsSouthwest235°

Mid-January in Amsterdam: the sun rises in the southeast — a bearing of 125°, measured from true north — and sets in the southwest, at 235°. That is 35° south of due east at sunrise, and the same 35° south of due west at sunset. From the 1st to the last day of the month both points shift 10° north.

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 Amsterdam. Dawn and dusk mark civil twilight.

DayDawnSunriseSunsetDuskDay length
108:1008:5116:3717:197 h 47 min
208:1008:5116:3917:207 h 48 min
308:0908:5016:4017:207 h 49 min
408:0908:5016:4117:227 h 51 min
508:0908:5016:4217:237 h 52 min
608:0908:5016:4317:247 h 53 min
708:0908:4916:4417:257 h 55 min
808:0808:4916:4517:267 h 57 min
908:0808:4816:4717:277 h 59 min
1008:0708:4816:4817:288 h 00 min
1108:0708:4716:4917:308 h 02 min
1208:0608:4616:5117:318 h 04 min
1308:0608:4616:5217:328 h 07 min
1408:0508:4516:5417:348 h 09 min
1508:0508:4416:5517:358 h 11 min
1608:0408:4316:5717:368 h 13 min
1708:0308:4316:5817:388 h 16 min
1808:0208:4217:0017:398 h 18 min
1908:0208:4117:0117:418 h 21 min
2008:0108:4017:0317:428 h 23 min
2108:0008:3917:0517:438 h 26 min
2207:5908:3817:0617:458 h 29 min
2307:5808:3617:0817:478 h 32 min
2407:5708:3517:1017:488 h 34 min
2507:5608:3417:1117:508 h 37 min
2607:5508:3317:1317:518 h 40 min
2707:5408:3117:1517:538 h 43 min
2807:5208:3017:1717:548 h 46 min
2907:5108:2917:1817:568 h 50 min
3007:5008:2717:2017:588 h 53 min
3107:4908:2617:2217:598 h 56 min

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

What about vitamin D in January?

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

See the Amsterdam vitamin D guide

Common questions about the sun in Amsterdam in January

Where does the sun set in Amsterdam in January?
Mid-January in Amsterdam: the sun sets in the southwest, a bearing of 235° measured from true north, which is 35° south of due west. It rises in the southeast, at 125°. Over the month both points shift 10° north.
How much daylight does Amsterdam gain in January?
Over January the day gets 69 minutes longer in Amsterdam: on January 1 the sun rises at 08:51 and sets at 16:37, and on day 31 it rises at 08:26 and sets at 17:22.
How many hours of daylight does Amsterdam get in January?
In mid-January the day lasts 8 h 11 min in Amsterdam, from sunrise at 08:44 to sunset at 16:55. The table has the day length for each of the 31 days of the month.
What time does it start to get light in Amsterdam in January?
In mid-January the sky starts to get light at 08:05 in Amsterdam, when the sun is 6° below the horizon, and the sun itself does not rise until 08:44. The “Dawn” column of the table gives that time for every day of the month.
What time does it get dark in Amsterdam in January?
It's not the same time as sunset. In mid-January in Amsterdam the sun sets at 16:55, but there is still light: civil twilight does not end until 17:35, 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 Amsterdam in January?
At no time of day. Not even at midday on January 15 does the UV index reach 3 in Amsterdam, and below that minimum the skin makes no vitamin D, however long you stay out. In January it is the season to mind your diet or consider supplementation.