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.
Where does the sun rise and set in Seattle in April?
Mid-April in Seattle: the sun rises in the east — a bearing of 75°, measured from true north — and sets in the west, at 285°. That is 15° north of due east at sunrise, and the same 15° north of due west at sunset. From the 1st to the last day of the month both points shift 16° 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 Seattle. Dawn and dusk mark civil twilight.
| Day | Dawn | Sunrise | Sunset | Dusk | Day length |
|---|---|---|---|---|---|
| 1 | 06:20 | 06:51 | 19:36 | 20:07 | 12 h 45 min |
| 2 | 06:18 | 06:49 | 19:38 | 20:09 | 12 h 49 min |
| 3 | 06:16 | 06:47 | 19:39 | 20:10 | 12 h 52 min |
| 4 | 06:14 | 06:45 | 19:41 | 20:12 | 12 h 56 min |
| 5 | 06:11 | 06:43 | 19:42 | 20:13 | 12 h 59 min |
| 6 | 06:09 | 06:41 | 19:44 | 20:15 | 13 h 03 min |
| 7 | 06:07 | 06:39 | 19:45 | 20:16 | 13 h 06 min |
| 8 | 06:05 | 06:37 | 19:46 | 20:18 | 13 h 10 min |
| 9 | 06:03 | 06:35 | 19:48 | 20:20 | 13 h 13 min |
| 10 | 06:01 | 06:33 | 19:49 | 20:21 | 13 h 17 min |
| 11 | 05:59 | 06:31 | 19:51 | 20:23 | 13 h 20 min |
| 12 | 05:57 | 06:29 | 19:52 | 20:24 | 13 h 24 min |
| 13 | 05:55 | 06:27 | 19:54 | 20:26 | 13 h 27 min |
| 14 | 05:52 | 06:25 | 19:55 | 20:27 | 13 h 30 min |
| 15 | 05:50 | 06:23 | 19:57 | 20:29 | 13 h 34 min |
| 16 | 05:48 | 06:21 | 19:58 | 20:30 | 13 h 37 min |
| 17 | 05:46 | 06:19 | 19:59 | 20:32 | 13 h 41 min |
| 18 | 05:44 | 06:17 | 20:01 | 20:33 | 13 h 44 min |
| 19 | 05:42 | 06:15 | 20:02 | 20:35 | 13 h 47 min |
| 20 | 05:40 | 06:13 | 20:04 | 20:37 | 13 h 51 min |
| 21 | 05:38 | 06:11 | 20:05 | 20:38 | 13 h 54 min |
| 22 | 05:36 | 06:09 | 20:07 | 20:40 | 13 h 57 min |
| 23 | 05:34 | 06:07 | 20:08 | 20:41 | 14 h 01 min |
| 24 | 05:32 | 06:06 | 20:10 | 20:43 | 14 h 04 min |
| 25 | 05:30 | 06:04 | 20:11 | 20:44 | 14 h 07 min |
| 26 | 05:28 | 06:02 | 20:12 | 20:46 | 14 h 10 min |
| 27 | 05:26 | 06:00 | 20:14 | 20:48 | 14 h 14 min |
| 28 | 05:25 | 05:58 | 20:15 | 20:49 | 14 h 17 min |
| 29 | 05:23 | 05:57 | 20:17 | 20:51 | 14 h 20 min |
| 30 | 05:21 | 05:55 | 20:18 | 20:52 | 14 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 guideCommon questions about the sun in Seattle in April
- Where does the sun set in Seattle in April?
- Mid-April in Seattle: the sun sets in the west, a bearing of 285° measured from true north, which is 15° north of due west. It rises in the east, at 75°. Over the month both points shift 16° north.
- How much daylight does Seattle gain in April?
- Over April the day gets 98 minutes longer in Seattle: on April 1 the sun rises at 06:51 and sets at 19:36, and on day 30 it rises at 05:55 and sets at 20:18.
- How many hours of daylight does Seattle get in April?
- In mid-April the day lasts 13 h 34 min in Seattle, from sunrise at 06:23 to sunset at 19:57. The table has the day length for each of the 30 days of the month.
- What time does it start to get light in Seattle in April?
- In mid-April the sky starts to get light at 05:50 in Seattle, when the sun is 6° below the horizon, and the sun itself does not rise until 06:23. The “Dawn” column of the table gives that time for every day of the month.
- What time does it get dark in Seattle in April?
- It's not the same time as sunset. In mid-April in Seattle the sun sets at 19:57, but there is still light: civil twilight does not end until 20:29, 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 Seattle in April?
- In mid-April, between 11:00 and 16:00: that is the stretch of the day when the UV index reaches 3 in Seattle, the minimum for the skin to make vitamin D. At the best moment of the day about 11 minutes are enough for a mid-range skin phototype with a quarter of the body exposed to make around 1000 IU.