Hongch’ŏn
Sunrise and sunset in Hongch’ŏn
Today’s sunrise, sunset and twilight in Hongch’ŏn, in local time. At 37.7° N, the day lasts from 9 h 33 min at the winter solstice to 14 h 46 min at the summer solstice.
Today · worked out at
Thursday, October 22: sunrise at 06:43, sunset at 17:42.
Day length 10 h 59 min, 2 min 17 s shorter than yesterday.
Solar noon at 12:12, with the Sun 41° above the horizon.
Times are Hongch’ŏn time (GMT+9).
Twilight and golden hour today
| Today | Morning | Evening |
|---|---|---|
| Astronomical twilight | 05:15 | 19:09 |
| Nautical twilight | 05:45 | 18:39 |
| Civil twilight | 06:16 | 18:08 |
| Sunrise and sunset | 06:43 | 17:42 |
| Golden hour | 06:43–07:18 | 17:06–17:42 |
Each twilight begins at the morning time and ends at the evening one.
The year in Hongch’ŏn
- Longest day: June 21, 14 h 46 min, from sunrise at 05:06 to sunset at 19:53.
- Shortest day: December 22, 9 h 33 min, from sunrise at 07:40 to sunset at 17:13.
Sunrise and sunset on the 21st of each month, 2026
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 21 | 07:40 | 17:39 | 9 h 59 min |
| February 21 | 07:11 | 18:13 | 11 h 02 min |
| March 21 | 06:31 | 18:40 | 12 h 10 min |
| April 21 | 05:45 | 19:09 | 13 h 23 min |
| May 21 | 05:14 | 19:35 | 14 h 21 min |
| June 21 | 05:06 | 19:53 | 14 h 46 min |
| July 21 | 05:22 | 19:46 | 14 h 24 min |
| August 21 | 05:48 | 19:13 | 13 h 25 min |
| September 21 | 06:15 | 18:27 | 12 h 13 min |
| October 21 | 06:42 | 17:43 | 11 h 02 min |
| November 21 | 07:14 | 17:13 | 10 h 00 min |
| December 21 | 07:39 | 17:13 | 9 h 33 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 37.7° N, 127.9° 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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