Koch'ang
Sunrise and sunset in Koch'ang
Today’s sunrise, sunset and twilight in Koch'ang, in local time. At 35.4° N, the day lasts from 9 h 46 min at the winter solstice to 14 h 33 min at the summer solstice.
Today · worked out at
Thursday, October 22: sunrise at 06:45, sunset at 17:49.
Day length 11 h 05 min, 2 min 6 s shorter than yesterday.
Solar noon at 12:17, with the Sun 44° above the horizon.
Times are Koch'ang time (GMT+9).
Twilight and golden hour today
| Today | Morning | Evening |
|---|---|---|
| Astronomical twilight | 05:20 | 19:14 |
| Nautical twilight | 05:49 | 18:45 |
| Civil twilight | 06:19 | 18:15 |
| Sunrise and sunset | 06:45 | 17:49 |
| Golden hour | 06:45–07:19 | 17:14–17:49 |
Each twilight begins at the morning time and ends at the evening one.
The year in Koch'ang
- Longest day: June 21, 14 h 33 min, from sunrise at 05:18 to sunset at 19:51.
- Shortest day: December 22, 9 h 46 min, from sunrise at 07:38 to sunset at 17:24.
Sunrise and sunset on the 21st of each month, 2026
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 21 | 07:39 | 17:49 | 10 h 10 min |
| February 21 | 07:13 | 18:20 | 11 h 07 min |
| March 21 | 06:36 | 18:45 | 12 h 09 min |
| April 21 | 05:53 | 19:10 | 13 h 17 min |
| May 21 | 05:24 | 19:35 | 14 h 10 min |
| June 21 | 05:18 | 19:51 | 14 h 33 min |
| July 21 | 05:33 | 19:45 | 14 h 12 min |
| August 21 | 05:56 | 19:15 | 13 h 19 min |
| September 21 | 06:20 | 18:32 | 12 h 12 min |
| October 21 | 06:44 | 17:50 | 11 h 07 min |
| November 21 | 07:13 | 17:23 | 10 h 10 min |
| December 21 | 07:38 | 17:24 | 9 h 46 min |
Good to know
- Sunrise and sunset are when the top of the Sun meets a level horizon, allowing for the usual bending of light by the air. Hills, buildings and height shift what you see by a few minutes.
- Civil, nautical and astronomical twilight end when the Sun is 6°, 12° and 18° below the horizon. Golden hour here is the photographers’ usual definition: the Sun less than 6° above it.
- Worked out when the page loads from NOAA’s solar equations, for 35.4° N, 126.7° E, and accurate to about a minute.
How the layers work, where their data comes from and what they can’t tell you: Day and night, live, The Sun, Moon and planets
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