The sun, month by month
Sunrise and sunset in Tokyo in August
On August 1 in Tokyo the sun rises at 04:49 and sets at 18:45; on day 31 it rises at 05:13 and sets at 18:09. Over the month the day gets 61 minutes shorter.
Sunrise05:01
Sunset18:30
Golden hour17:55–18:30
Day length13 h 30 min
Day by day
All times are local to Tokyo. Dawn and dusk mark civil twilight.
| Day | Dawn | Sunrise | Sunset | Dusk | Day length |
|---|---|---|---|---|---|
| 1 | 04:21 | 04:49 | 18:45 | 19:13 | 13 h 56 min |
| 2 | 04:22 | 04:50 | 18:44 | 19:12 | 13 h 54 min |
| 3 | 04:23 | 04:51 | 18:43 | 19:11 | 13 h 53 min |
| 4 | 04:24 | 04:52 | 18:42 | 19:10 | 13 h 51 min |
| 5 | 04:25 | 04:52 | 18:41 | 19:09 | 13 h 49 min |
| 6 | 04:26 | 04:53 | 18:40 | 19:08 | 13 h 47 min |
| 7 | 04:26 | 04:54 | 18:39 | 19:07 | 13 h 45 min |
| 8 | 04:27 | 04:55 | 18:38 | 19:06 | 13 h 44 min |
| 9 | 04:28 | 04:56 | 18:37 | 19:05 | 13 h 42 min |
| 10 | 04:29 | 04:56 | 18:36 | 19:04 | 13 h 40 min |
| 11 | 04:30 | 04:57 | 18:35 | 19:02 | 13 h 38 min |
| 12 | 04:31 | 04:58 | 18:34 | 19:01 | 13 h 36 min |
| 13 | 04:32 | 04:59 | 18:33 | 18:60 | 13 h 34 min |
| 14 | 04:33 | 04:60 | 18:31 | 18:59 | 13 h 32 min |
| 15 | 04:34 | 05:01 | 18:30 | 18:57 | 13 h 30 min |
| 16 | 04:34 | 05:01 | 18:29 | 18:56 | 13 h 28 min |
| 17 | 04:35 | 05:02 | 18:28 | 18:55 | 13 h 26 min |
| 18 | 04:36 | 05:03 | 18:27 | 18:53 | 13 h 24 min |
| 19 | 04:37 | 05:04 | 18:25 | 18:52 | 13 h 21 min |
| 20 | 04:38 | 05:05 | 18:24 | 18:51 | 13 h 19 min |
| 21 | 04:39 | 05:05 | 18:23 | 18:49 | 13 h 17 min |
| 22 | 04:40 | 05:06 | 18:21 | 18:48 | 13 h 15 min |
| 23 | 04:41 | 05:07 | 18:20 | 18:46 | 13 h 13 min |
| 24 | 04:41 | 05:08 | 18:19 | 18:45 | 13 h 11 min |
| 25 | 04:42 | 05:09 | 18:17 | 18:44 | 13 h 09 min |
| 26 | 04:43 | 05:09 | 18:16 | 18:42 | 13 h 06 min |
| 27 | 04:44 | 05:10 | 18:14 | 18:41 | 13 h 04 min |
| 28 | 04:45 | 05:11 | 18:13 | 18:39 | 13 h 02 min |
| 29 | 04:46 | 05:12 | 18:12 | 18:38 | 12 h 60 min |
| 30 | 04:47 | 05:13 | 18:10 | 18:36 | 12 h 58 min |
| 31 | 04:47 | 05:13 | 18:09 | 18:35 | 12 h 55 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 Tokyo runs from 08:00 to 16:00: with medium skin and a t-shirt, ~6 min at the best moment is enough.
See the Tokyo vitamin D guide