Vitamin D

The sun, month by month

Sunrise and sunset in London in January

On January 1 in London the sun rises at 08:06 and sets at 16:02; on day 31 it rises at 07:43 and sets at 16:45. Over the month the day grows 67 minutes longer.

Sunrise08:01
Sunset16:19
Golden hour15:22–16:19
Day length8 h 19 min

Day by day

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

DayDawnSunriseSunsetDuskDay length
107:2708:0616:0216:427 h 55 min
207:2608:0616:0316:437 h 57 min
307:2608:0616:0416:447 h 58 min
407:2608:0616:0516:457 h 59 min
507:2608:0616:0616:468 h 00 min
607:2608:0516:0716:478 h 02 min
707:2608:0516:0916:488 h 03 min
807:2508:0516:1016:498 h 05 min
907:2508:0416:1116:508 h 07 min
1007:2508:0416:1216:528 h 09 min
1107:2408:0316:1416:538 h 10 min
1207:2408:0316:1516:548 h 12 min
1307:2308:0216:1616:558 h 14 min
1407:2308:0116:1816:578 h 17 min
1507:2208:0116:1916:588 h 19 min
1607:2107:6016:2116:598 h 21 min
1707:2107:5916:2217:018 h 23 min
1807:2007:5816:2417:028 h 26 min
1907:1907:5716:2517:038 h 28 min
2007:1807:5616:2717:058 h 31 min
2107:1707:5516:2817:068 h 33 min
2207:1607:5416:3017:088 h 36 min
2307:1507:5316:3217:098 h 38 min
2407:1407:5216:3317:118 h 41 min
2507:1307:5116:3517:128 h 44 min
2607:1207:5016:3717:148 h 47 min
2707:1107:4816:3817:158 h 50 min
2807:1007:4716:4017:178 h 53 min
2907:0907:4616:4217:188 h 56 min
3007:0807:4416:4317:208 h 59 min
3107:0607:4316:4517:229 h 02 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 London for vitamin D synthesis: the season to mind your diet or consider supplementation.

See the London vitamin D guide