Vitamin D

The sun, month by month

Sunrise and sunset in Reykjavik in June

On June 1 in Reykjavik the sun rises at 03:23 and sets at 23:28; on day 30 it rises at 03:03 and sets at 23:59. Over the month the day grows 50 minutes longer.

Sunrise02:57
Sunset23:59
Golden hour22:04–23:59
Day length21 h 02 min

Day by day

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

DayDawnSunriseSunsetDuskDay length
103:2323:2820 h 05 min
203:2123:3120 h 10 min
303:1823:3320 h 15 min
403:1623:3620 h 20 min
503:1323:3920 h 25 min
603:1123:4120 h 30 min
703:0923:4420 h 34 min
803:0723:4620 h 39 min
903:0523:4820 h 43 min
1003:0423:5020 h 47 min
1103:0223:5220 h 50 min
1203:0123:5420 h 54 min
1302:5923:5620 h 57 min
1402:5823:5720 h 59 min
1502:5723:5921 h 02 min
1602:5600:00-3 h -56 min
1702:5600:01-3 h -54 min
1802:5500:02-3 h -53 min
1902:5500:03-3 h -52 min
2002:5500:03-3 h -51 min
2102:5500:04-3 h -51 min
2202:5500:04-3 h -51 min
2302:5500:04-3 h -52 min
2402:5600:04-3 h -52 min
2502:5700:03-3 h -54 min
2602:5800:03-3 h -55 min
2702:5900:02-3 h -57 min
2803:0000:01-3 h -59 min
2903:0223:6020 h 58 min
3003:0323:5920 h 55 min

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

What about vitamin D in June?

In June, the typical synthesis window in Reykjavik runs from 11:00 to 17:00: with medium skin and a t-shirt, ~12 min at the best moment is enough.

See the Reykjavik vitamin D guide