The sun, month by month
Sunrise and sunset in Oslo in August
On August 1 in Oslo the sun rises at 04:59 and sets at 21:47; on day 31 it rises at 06:13 and sets at 20:21. Over the month the day gets 160 minutes shorter.
Sunrise05:33
Sunset21:09
Golden hour20:09–21:09
Day length15 h 36 min
Day by day
All times are local to Oslo. Dawn and dusk mark civil twilight.
| Day | Dawn | Sunrise | Sunset | Dusk | Day length |
|---|---|---|---|---|---|
| 1 | 03:59 | 04:59 | 21:47 | 22:47 | 16 h 48 min |
| 2 | 04:02 | 05:01 | 21:45 | 22:44 | 16 h 43 min |
| 3 | 04:06 | 05:04 | 21:42 | 22:40 | 16 h 38 min |
| 4 | 04:09 | 05:06 | 21:39 | 22:37 | 16 h 33 min |
| 5 | 04:12 | 05:09 | 21:37 | 22:33 | 16 h 28 min |
| 6 | 04:15 | 05:11 | 21:34 | 22:30 | 16 h 23 min |
| 7 | 04:18 | 05:14 | 21:31 | 22:27 | 16 h 18 min |
| 8 | 04:21 | 05:16 | 21:29 | 22:23 | 16 h 13 min |
| 9 | 04:24 | 05:19 | 21:26 | 22:20 | 16 h 07 min |
| 10 | 04:27 | 05:21 | 21:23 | 22:17 | 16 h 02 min |
| 11 | 04:31 | 05:23 | 21:20 | 22:13 | 15 h 57 min |
| 12 | 04:34 | 05:26 | 21:18 | 22:10 | 15 h 52 min |
| 13 | 04:37 | 05:28 | 21:15 | 22:06 | 15 h 46 min |
| 14 | 04:40 | 05:31 | 21:12 | 22:03 | 15 h 41 min |
| 15 | 04:43 | 05:33 | 21:09 | 21:60 | 15 h 36 min |
| 16 | 04:46 | 05:36 | 21:06 | 21:56 | 15 h 30 min |
| 17 | 04:49 | 05:38 | 21:03 | 21:53 | 15 h 25 min |
| 18 | 04:52 | 05:41 | 21:00 | 21:50 | 15 h 19 min |
| 19 | 04:54 | 05:43 | 20:57 | 21:46 | 15 h 14 min |
| 20 | 04:57 | 05:46 | 20:54 | 21:43 | 15 h 08 min |
| 21 | 05:00 | 05:48 | 20:51 | 21:39 | 15 h 03 min |
| 22 | 05:03 | 05:51 | 20:48 | 21:36 | 14 h 57 min |
| 23 | 05:06 | 05:53 | 20:45 | 21:33 | 14 h 52 min |
| 24 | 05:09 | 05:56 | 20:42 | 21:29 | 14 h 46 min |
| 25 | 05:12 | 05:58 | 20:39 | 21:26 | 14 h 41 min |
| 26 | 05:14 | 06:01 | 20:36 | 21:22 | 14 h 35 min |
| 27 | 05:17 | 06:03 | 20:33 | 21:19 | 14 h 30 min |
| 28 | 05:20 | 06:06 | 20:30 | 21:16 | 14 h 24 min |
| 29 | 05:23 | 06:08 | 20:27 | 21:12 | 14 h 19 min |
| 30 | 05:26 | 06:11 | 20:24 | 21:09 | 14 h 13 min |
| 31 | 05:28 | 06:13 | 20:21 | 21:05 | 14 h 08 min |
Approximate astronomical values: they can shift a minute or two from year to year.
What about vitamin D in August?
In August, the typical synthesis window in Oslo runs from 12:00 to 16:00: with medium skin and a t-shirt, ~15 min at the best moment is enough.
See the Oslo vitamin D guide