Ulsan
Sunrise and sunset in Ulsan
Today’s sunrise, sunset and twilight in Ulsan, in local time. At 35.5° N, the day lasts from 9 h 45 min at the winter solstice to 14 h 34 min at the summer solstice.
Today · worked out at
Thursday, October 22: sunrise at 06:34, sunset at 17:39.
Day length 11 h 04 min, 2 min 6 s shorter than yesterday.
Solar noon at 12:07, with the Sun 43° above the horizon.
Times are Ulsan time (GMT+9).
Twilight and golden hour today
| Today | Morning | Evening |
|---|---|---|
| Astronomical twilight | 05:09 | 19:04 |
| Nautical twilight | 05:39 | 18:34 |
| Civil twilight | 06:08 | 18:05 |
| Sunrise and sunset | 06:34 | 17:39 |
| Golden hour | 06:34–07:09 | 17:04–17:39 |
Each twilight begins at the morning time and ends at the evening one.
The year in Ulsan
- Longest day: June 21, 14 h 34 min, from sunrise at 05:07 to sunset at 19:41.
- Shortest day: December 22, 9 h 45 min, from sunrise at 07:28 to sunset at 17:13.
Sunrise and sunset on the 21st of each month, 2026
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 21 | 07:29 | 17:38 | 10 h 09 min |
| February 21 | 07:03 | 18:10 | 11 h 07 min |
| March 21 | 06:25 | 18:34 | 12 h 09 min |
| April 21 | 05:43 | 19:00 | 13 h 17 min |
| May 21 | 05:14 | 19:24 | 14 h 11 min |
| June 21 | 05:07 | 19:41 | 14 h 34 min |
| July 21 | 05:22 | 19:35 | 14 h 13 min |
| August 21 | 05:46 | 19:05 | 13 h 19 min |
| September 21 | 06:09 | 18:21 | 12 h 12 min |
| October 21 | 06:33 | 17:40 | 11 h 06 min |
| November 21 | 07:03 | 17:12 | 10 h 09 min |
| December 21 | 07:27 | 17:13 | 9 h 45 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 35.5° N, 129.3° 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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