Vitamin D

The sun, month by month

Sunrise and sunset in Seattle in April

On April 1 in Seattle the sun rises at 06:51 and sets at 19:36; on day 30 it rises at 05:55 and sets at 20:18. Over the month the day grows 98 minutes longer.

Sunrise06:23
Sunset19:57
Golden hour19:15–19:57
Day length13 h 34 min

Day by day

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

DayDawnSunriseSunsetDuskDay length
106:2006:5119:3620:0712 h 45 min
206:1806:4919:3820:0912 h 49 min
306:1606:4719:3920:1012 h 52 min
406:1406:4519:4120:1212 h 56 min
506:1106:4319:4220:1312 h 59 min
606:0906:4119:4420:1513 h 03 min
706:0706:3919:4520:1613 h 06 min
806:0506:3719:4620:1813 h 10 min
906:0306:3519:4820:2013 h 13 min
1006:0106:3319:4920:2113 h 17 min
1105:5906:3119:5120:2313 h 20 min
1205:5706:2919:5220:2413 h 24 min
1305:5506:2719:5420:2613 h 27 min
1405:5206:2519:5520:2713 h 30 min
1505:5006:2319:5720:2913 h 34 min
1605:4806:2119:5820:3013 h 37 min
1705:4606:1919:5920:3213 h 41 min
1805:4406:1720:0120:3313 h 44 min
1905:4206:1520:0220:3513 h 47 min
2005:4006:1320:0420:3713 h 51 min
2105:3806:1120:0520:3813 h 54 min
2205:3606:0920:0720:4013 h 57 min
2305:3406:0720:0820:4114 h 01 min
2405:3206:0620:1020:4314 h 04 min
2505:3006:0420:1120:4414 h 07 min
2605:2806:0220:1220:4614 h 10 min
2705:2606:0020:1420:4814 h 14 min
2805:2505:5820:1520:4914 h 17 min
2905:2305:5720:1720:5114 h 20 min
3005:2105:5520:1820:5214 h 23 min

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

What about vitamin D in April?

In April, the typical synthesis window in Seattle runs from 11:00 to 16:00: with medium skin and a t-shirt, ~11 min at the best moment is enough.

See the Seattle vitamin D guide