Vitamin D

The sun, month by month

Sunrise and sunset in Tokyo in July

On July 1 in Tokyo the sun rises at 04:29 and sets at 19:01; on day 31 it rises at 04:48 and sets at 18:46. Over the month the day gets 34 minutes shorter.

Sunrise04:36
Sunset18:57
Golden hour18:20–18:57
Day length14 h 21 min

Day by day

All times are local to Tokyo. Dawn and dusk mark civil twilight.

DayDawnSunriseSunsetDuskDay length
103:5904:2919:0119:3114 h 32 min
203:5904:2919:0119:3114 h 32 min
303:6004:3019:0119:3114 h 31 min
404:0004:3019:0019:3014 h 30 min
504:0104:3119:0019:3014 h 30 min
604:0104:3119:0019:3014 h 29 min
704:0204:3218:6019:3014 h 28 min
804:0204:3218:6019:2914 h 28 min
904:0304:3318:5919:2914 h 27 min
1004:0404:3318:5919:2914 h 26 min
1104:0404:3418:5919:2814 h 25 min
1204:0504:3518:5819:2814 h 24 min
1304:0604:3518:5819:2714 h 23 min
1404:0604:3618:5819:2714 h 22 min
1504:0704:3618:5719:2614 h 21 min
1604:0804:3718:5719:2614 h 20 min
1704:0904:3818:5619:2514 h 18 min
1804:0904:3918:5619:2514 h 17 min
1904:1004:3918:5519:2414 h 16 min
2004:1104:4018:5519:2314 h 15 min
2104:1204:4118:5419:2314 h 13 min
2204:1304:4118:5319:2214 h 12 min
2304:1304:4218:5319:2114 h 10 min
2404:1404:4318:5219:2114 h 09 min
2504:1504:4418:5119:2014 h 08 min
2604:1604:4418:5019:1914 h 06 min
2704:1704:4518:5019:1814 h 04 min
2804:1804:4618:4919:1714 h 03 min
2904:1804:4718:4819:1614 h 01 min
3004:1904:4818:4719:1513 h 60 min
3104:2004:4818:4619:1413 h 58 min

Approximate astronomical values: they can shift a minute or two from year to year.

What about vitamin D in July?

In July, the typical synthesis window in Tokyo runs from 08:00 to 16:00: with medium skin and a t-shirt, ~5 min at the best moment is enough.

See the Tokyo vitamin D guide