The sun, month by month
Sunrise and sunset in Seattle in March
On March 1 in Seattle the sun rises at 06:54 and sets at 17:51; on day 31 it rises at 06:53 and sets at 19:35. Over the month the day grows 105 minutes longer.
Where does the sun rise and set in Seattle in March?
Mid-March in Seattle: the sun rises in the east — a bearing of 93°, measured from true north — and sets in the west, at 267°. That is 3° south of due east at sunrise, and the same 3° south of due west at sunset. From the 1st to the last day of the month both points shift 18° 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 | 06:23 | 06:54 | 17:51 | 18:22 | 10 h 57 min |
| 2 | 06:21 | 06:52 | 17:52 | 18:23 | 11 h 00 min |
| 3 | 06:19 | 06:50 | 17:54 | 18:25 | 11 h 03 min |
| 4 | 06:17 | 06:48 | 17:55 | 18:26 | 11 h 07 min |
| 5 | 06:16 | 06:46 | 17:57 | 18:28 | 11 h 10 min |
| 6 | 06:14 | 06:44 | 17:58 | 18:29 | 11 h 14 min |
| 7 | 06:12 | 06:42 | 18:00 | 18:30 | 11 h 17 min |
| 8 | 07:10 | 07:41 | 19:01 | 19:32 | 11 h 21 min |
| 9 | 07:08 | 07:39 | 19:03 | 19:33 | 11 h 24 min |
| 10 | 07:06 | 07:37 | 19:04 | 19:35 | 11 h 28 min |
| 11 | 07:04 | 07:35 | 19:06 | 19:36 | 11 h 31 min |
| 12 | 07:02 | 07:32 | 19:07 | 19:38 | 11 h 35 min |
| 13 | 07:00 | 07:30 | 19:09 | 19:39 | 11 h 38 min |
| 14 | 06:58 | 07:28 | 19:10 | 19:41 | 11 h 42 min |
| 15 | 06:56 | 07:26 | 19:12 | 19:42 | 11 h 45 min |
| 16 | 06:54 | 07:24 | 19:13 | 19:44 | 11 h 49 min |
| 17 | 06:52 | 07:22 | 19:14 | 19:45 | 11 h 52 min |
| 18 | 06:50 | 07:20 | 19:16 | 19:47 | 11 h 56 min |
| 19 | 06:47 | 07:18 | 19:17 | 19:48 | 11 h 59 min |
| 20 | 06:45 | 07:16 | 19:19 | 19:50 | 12 h 03 min |
| 21 | 06:43 | 07:14 | 19:20 | 19:51 | 12 h 06 min |
| 22 | 06:41 | 07:12 | 19:22 | 19:53 | 12 h 10 min |
| 23 | 06:39 | 07:10 | 19:23 | 19:54 | 12 h 13 min |
| 24 | 06:37 | 07:08 | 19:25 | 19:55 | 12 h 17 min |
| 25 | 06:35 | 07:06 | 19:26 | 19:57 | 12 h 20 min |
| 26 | 06:33 | 07:04 | 19:28 | 19:58 | 12 h 24 min |
| 27 | 06:31 | 07:01 | 19:29 | 20:00 | 12 h 28 min |
| 28 | 06:28 | 06:59 | 19:30 | 20:01 | 12 h 31 min |
| 29 | 06:26 | 06:57 | 19:32 | 20:03 | 12 h 35 min |
| 30 | 06:24 | 06:55 | 19:33 | 20:04 | 12 h 38 min |
| 31 | 06:22 | 06:53 | 19:35 | 20:06 | 12 h 42 min |
Approximate astronomical values: they can shift a minute or two from year to year.
What about vitamin D in March?
In March, the typical synthesis window in Seattle runs from 13:00 to 15:00: with medium skin and a t-shirt, ~17 min at the best moment is enough.
See the Seattle vitamin D guideCommon questions about the sun in Seattle in March
- Where does the sun set in Seattle in March?
- Mid-March in Seattle: the sun sets in the west, a bearing of 267° measured from true north, which is 3° south of due west. It rises in the east, at 93°. Over the month both points shift 18° north.
- How much daylight does Seattle gain in March?
- Over March the day gets 105 minutes longer in Seattle: on March 1 the sun rises at 06:54 and sets at 17:51, and on day 31 it rises at 06:53 and sets at 19:35.
- How many hours of daylight does Seattle get in March?
- In mid-March the day lasts 11 h 45 min in Seattle, from sunrise at 07:26 to sunset at 19:12. The table has the day length for each of the 31 days of the month.
- What time does it start to get light in Seattle in March?
- In mid-March the sky starts to get light at 06:56 in Seattle, when the sun is 6° below the horizon, and the sun itself does not rise until 07:26. The “Dawn” column of the table gives that time for every day of the month.
- What time does it get dark in Seattle in March?
- It's not the same time as sunset. In mid-March in Seattle the sun sets at 19:12, but there is still light: civil twilight does not end until 19:42, 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 March?
- In mid-March, between 13:00 and 15:00: 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 17 minutes are enough for a mid-range skin phototype with a quarter of the body exposed to make around 1000 IU.