Sunrise & sunset times in Koto in December 2026
In Koto, December 2026 opens with sunrise at 07:00 and sunset at 17:10 on the 1st, and the day shortens by about 0h 8m from the 1st to the 31st. All times below are in Koto's local time zone.
| Day | Sunrise | Sunset | Day length |
|---|---|---|---|
| December 1 | 07:00 | 17:10 | 10h 10m |
| December 2 | 07:01 | 17:10 | 10h 9m |
| December 3 | 07:02 | 17:10 | 10h 8m |
| December 4 | 07:03 | 17:10 | 10h 7m |
| December 5 | 07:04 | 17:10 | 10h 6m |
| December 6 | 07:05 | 17:10 | 10h 5m |
| December 7 | 07:05 | 17:10 | 10h 5m |
| December 8 | 07:06 | 17:10 | 10h 4m |
| December 9 | 07:07 | 17:10 | 10h 3m |
| December 10 | 07:08 | 17:10 | 10h 3m |
| December 11 | 07:08 | 17:11 | 10h 2m |
| December 12 | 07:09 | 17:11 | 10h 2m |
| December 13 | 07:10 | 17:11 | 10h 1m |
| December 14 | 07:10 | 17:11 | 10h 1m |
| December 15 | 07:11 | 17:12 | 10h 1m |
| December 16 | 07:12 | 17:12 | 10h 0m |
| December 17 | 07:12 | 17:12 | 10h 0m |
| December 18 | 07:13 | 17:13 | 10h 0m |
| December 19 | 07:14 | 17:13 | 10h 0m |
| December 20 | 07:14 | 17:14 | 10h 0m |
| December 21 | 07:15 | 17:14 | 10h 0m |
| December 22 | 07:15 | 17:15 | 10h 0m |
| December 23 | 07:16 | 17:15 | 10h 0m |
| December 24 | 07:16 | 17:16 | 10h 0m |
| December 25 | 07:17 | 17:16 | 10h 0m |
| December 26 | 07:17 | 17:17 | 10h 0m |
| December 27 | 07:17 | 17:18 | 10h 0m |
| December 28 | 07:18 | 17:18 | 10h 0m |
| December 29 | 07:18 | 17:19 | 10h 1m |
| December 30 | 07:18 | 17:19 | 10h 1m |
| December 31 | 07:19 | 17:20 | 10h 2m |
Planning around the light in Koto in December
This table lists sunrise, sunset and the length of the day for every day of December 2026 in Koto, Japan, computed from the city's coordinates and shown in its local time zone. Use it to plan a shoot, a hike, an event or a trip around the exact daylight for the day you have in mind. For golden hour, blue hour and the moon on a specific date, open the full Koto page and pick that date.
Frequently asked questions about December in Koto
What time does the sun set in Koto in December?
Around the middle of December the sun sets at about 17:12 in Koto. Sunset shifts a little each day through the month, as listed in the table above, all in local time.
What time does the sun rise in Koto in December?
Around mid December the sun rises at about 07:12 in Koto, moving gradually across the month as shown in the day-by-day table.
When is the longest day in Koto in December?
In December 2026 the longest day in Koto is the 1st (10h 10m of daylight) and the shortest is the 16th (10h 0m).
Other months and tools
Every month of the year in Koto, each with day-by-day sunrise and sunset times: