Changam-ch’on
Sunrise and sunset in Changam-ch’on
Today’s sunrise, sunset and twilight in Changam-ch’on, in local time. At 40.6° N, the day lasts from 9 h 16 min at the winter solstice to 15 h 05 min at the summer solstice.
Today · worked out at
Thursday, October 22: sunrise at 06:43, sunset at 17:35.
Day length 10 h 52 min, 2 min 32 s shorter than yesterday.
Solar noon at 12:09, with the Sun 38° above the horizon.
Times are Changam-ch’on time (GMT+9).
Twilight and golden hour today
| Today | Morning | Evening |
|---|---|---|
| Astronomical twilight | 05:11 | 19:06 |
| Nautical twilight | 05:43 | 18:34 |
| Civil twilight | 06:15 | 18:02 |
| Sunrise and sunset | 06:43 | 17:35 |
| Golden hour | 06:43–07:20 | 16:57–17:35 |
Each twilight begins at the morning time and ends at the evening one.
The year in Changam-ch’on
- Longest day: June 21, 15 h 05 min, from sunrise at 04:54 to sunset at 19:59.
- Shortest day: December 22, 9 h 16 min, from sunrise at 07:45 to sunset at 17:01.
Sunrise and sunset on the 21st of each month, 2026
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 21 | 07:43 | 17:28 | 9 h 45 min |
| February 21 | 07:11 | 18:06 | 10 h 55 min |
| March 21 | 06:27 | 18:37 | 12 h 10 min |
| April 21 | 05:38 | 19:09 | 13 h 32 min |
| May 21 | 05:03 | 19:40 | 14 h 37 min |
| June 21 | 04:54 | 19:59 | 15 h 05 min |
| July 21 | 05:11 | 19:50 | 14 h 39 min |
| August 21 | 05:40 | 19:14 | 13 h 34 min |
| September 21 | 06:10 | 18:24 | 12 h 14 min |
| October 21 | 06:41 | 17:36 | 10 h 55 min |
| November 21 | 07:17 | 17:03 | 9 h 45 min |
| December 21 | 07:44 | 17:00 | 9 h 16 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 40.6° N, 128.8° 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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