The sun, month by month
Sunrise and sunset in Tokyo in October
On October 1 in Tokyo the sun rises at 05:38 and sets at 17:22; on day 31 it rises at 06:05 and sets at 16:45. Over the month the day gets 64 minutes shorter.
Where does the sun rise and set in Tokyo in October?
Mid-October in Tokyo: the sun rises in the east — a bearing of 101°, measured from true north — and sets in the west, at 259°. That is 11° south of due east at sunrise, and the same 11° south of due west at sunset. From the 1st to the last day of the month both points shift 13° south.
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 Tokyo. Dawn and dusk mark civil twilight.
| Day | Dawn | Sunrise | Sunset | Dusk | Day length |
|---|---|---|---|---|---|
| 1 | 05:13 | 05:38 | 17:22 | 17:48 | 11 h 44 min |
| 2 | 05:13 | 05:39 | 17:21 | 17:46 | 11 h 42 min |
| 3 | 05:14 | 05:40 | 17:19 | 17:45 | 11 h 39 min |
| 4 | 05:15 | 05:41 | 17:18 | 17:43 | 11 h 37 min |
| 5 | 05:16 | 05:41 | 17:16 | 17:42 | 11 h 35 min |
| 6 | 05:17 | 05:42 | 17:15 | 17:40 | 11 h 33 min |
| 7 | 05:18 | 05:43 | 17:13 | 17:39 | 11 h 30 min |
| 8 | 05:18 | 05:44 | 17:12 | 17:38 | 11 h 28 min |
| 9 | 05:19 | 05:45 | 17:11 | 17:36 | 11 h 26 min |
| 10 | 05:20 | 05:46 | 17:09 | 17:35 | 11 h 24 min |
| 11 | 05:21 | 05:47 | 17:08 | 17:34 | 11 h 21 min |
| 12 | 05:22 | 05:47 | 17:07 | 17:32 | 11 h 19 min |
| 13 | 05:23 | 05:48 | 17:05 | 17:31 | 11 h 17 min |
| 14 | 05:23 | 05:49 | 17:04 | 17:30 | 11 h 15 min |
| 15 | 05:24 | 05:50 | 17:03 | 17:28 | 11 h 13 min |
| 16 | 05:25 | 05:51 | 17:01 | 17:27 | 11 h 10 min |
| 17 | 05:26 | 05:52 | 17:00 | 17:26 | 11 h 08 min |
| 18 | 05:27 | 05:53 | 16:59 | 17:25 | 11 h 06 min |
| 19 | 05:28 | 05:54 | 16:58 | 17:24 | 11 h 04 min |
| 20 | 05:29 | 05:55 | 16:56 | 17:22 | 11 h 02 min |
| 21 | 05:30 | 05:56 | 16:55 | 17:21 | 11 h 00 min |
| 22 | 05:30 | 05:56 | 16:54 | 17:20 | 10 h 58 min |
| 23 | 05:31 | 05:57 | 16:53 | 17:19 | 10 h 56 min |
| 24 | 05:32 | 05:58 | 16:52 | 17:18 | 10 h 54 min |
| 25 | 05:33 | 05:59 | 16:51 | 17:17 | 10 h 51 min |
| 26 | 05:34 | 06:00 | 16:50 | 17:16 | 10 h 49 min |
| 27 | 05:35 | 06:01 | 16:49 | 17:15 | 10 h 47 min |
| 28 | 05:36 | 06:02 | 16:48 | 17:14 | 10 h 45 min |
| 29 | 05:37 | 06:03 | 16:47 | 17:13 | 10 h 43 min |
| 30 | 05:38 | 06:04 | 16:46 | 17:12 | 10 h 42 min |
| 31 | 05:39 | 06:05 | 16:45 | 17:11 | 10 h 40 min |
Approximate astronomical values: they can shift a minute or two from year to year.
What about vitamin D in October?
In October, the typical synthesis window in Tokyo runs from 10:00 to 14:00: with medium skin and a t-shirt, ~11 min at the best moment is enough.
See the Tokyo vitamin D guideCommon questions about the sun in Tokyo in October
- Where does the sun set in Tokyo in October?
- Mid-October in Tokyo: the sun sets in the west, a bearing of 259° measured from true north, which is 11° south of due west. It rises in the east, at 101°. Over the month both points shift 13° south.
- How much daylight does Tokyo lose in October?
- Over October the day gets 64 minutes shorter in Tokyo: on October 1 the sun rises at 05:38 and sets at 17:22, and on day 31 it rises at 06:05 and sets at 16:45.
- How many hours of daylight does Tokyo get in October?
- In mid-October the day lasts 11 h 13 min in Tokyo, from sunrise at 05:50 to sunset at 17:03. The table has the day length for each of the 31 days of the month.
- What time does it start to get light in Tokyo in October?
- In mid-October the sky starts to get light at 05:24 in Tokyo, when the sun is 6° below the horizon, and the sun itself does not rise until 05:50. The “Dawn” column of the table gives that time for every day of the month.
- What time does it get dark in Tokyo in October?
- It's not the same time as sunset. In mid-October in Tokyo the sun sets at 17:03, but there is still light: civil twilight does not end until 17:28, 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 Tokyo in October?
- In mid-October, between 10:00 and 14:00: that is the stretch of the day when the UV index reaches 3 in Tokyo, 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.