Sunrise and Sunset times in Ulsan, Korea, South 
Today:
 Sunrise: 07:17:00
|
 Sunset: 17:09:33
|
Day Length: 9h 52m 33s
Time zone: Asia/Seoul, UTC +9 h.
Latitude: 35.5467, Longitude: 129.317
Ulsan
Ulsan, Korea, South 
1 061 000 people
| Date | Sunrise | Solar Noon | Sunset | Day length |
|---|---|---|---|---|
| 2025-Dec-01, Monday | 07:13:30 | 12:11:42 | 17:09:54 | 9h 56m 24s |
| 2025-Dec-02, Tuesday | 07:14:24 | 12:12:05 | 17:09:46 | 9h 55m 22s |
| 2025-Dec-03, Wednesday | 07:15:17 | 12:12:28 | 17:09:39 | 9h 54m 22s |
| 2025-Dec-04, Thursday | 07:16:09 | 12:12:52 | 17:09:35 | 9h 53m 26s |
| 2025-Dec-05, Friday | 07:17:00 | 12:13:17 | 17:09:33 | 9h 52m 33s |
| 2025-Dec-06, Saturday | 07:17:50 | 12:13:42 | 17:09:33 | 9h 51m 43s |
| 2025-Dec-07, Sunday | 07:18:40 | 12:14:07 | 17:09:35 | 9h 50m 55s |
| 2025-Dec-08, Monday | 07:19:28 | 12:14:33 | 17:09:38 | 9h 50m 10s |
| 2025-Dec-09, Tuesday | 07:20:16 | 12:15:00 | 17:09:44 | 9h 49m 28s |
| 2025-Dec-10, Wednesday | 07:21:02 | 12:15:27 | 17:09:52 | 9h 48m 50s |
| 2025-Dec-11, Thursday | 07:21:47 | 12:15:54 | 17:10:02 | 9h 48m 15s |
| 2025-Dec-12, Friday | 07:22:31 | 12:16:22 | 17:10:13 | 9h 47m 42s |
| 2025-Dec-13, Saturday | 07:23:14 | 12:16:50 | 17:10:27 | 9h 47m 13s |
| 2025-Dec-14, Sunday | 07:23:55 | 12:17:19 | 17:10:42 | 9h 46m 47s |
| 2025-Dec-15, Monday | 07:24:35 | 12:17:47 | 17:10:59 | 9h 46m 24s |
| 2025-Dec-16, Tuesday | 07:25:14 | 12:18:16 | 17:11:19 | 9h 46m 5s |
| 2025-Dec-17, Wednesday | 07:25:52 | 12:18:46 | 17:11:40 | 9h 45m 48s |
| 2025-Dec-18, Thursday | 07:26:27 | 12:19:15 | 17:12:03 | 9h 45m 36s |
| 2025-Dec-19, Friday | 07:27:02 | 12:19:45 | 17:12:27 | 9h 45m 25s |
| 2025-Dec-20, Saturday | 07:27:35 | 12:20:14 | 17:12:54 | 9h 45m 19s |
| 2025-Dec-21, Sunday | 07:28:06 | 12:20:44 | 17:13:22 | 9h 45m 16s |
| 2025-Dec-22, Monday | 07:28:36 | 12:21:14 | 17:13:52 | 9h 45m 16s |
| 2025-Dec-23, Tuesday | 07:29:04 | 12:21:44 | 17:14:23 | 9h 45m 19s |
| 2025-Dec-24, Wednesday | 07:29:31 | 12:22:14 | 17:14:56 | 9h 45m 25s |
| 2025-Dec-25, Thursday | 07:29:56 | 12:22:43 | 17:15:31 | 9h 45m 35s |
| 2025-Dec-26, Friday | 07:30:19 | 12:23:13 | 17:16:07 | 9h 45m 48s |
| 2025-Dec-27, Saturday | 07:30:40 | 12:23:43 | 17:16:45 | 9h 46m 5s |
| 2025-Dec-28, Sunday | 07:30:59 | 12:24:12 | 17:17:25 | 9h 46m 26s |
| 2025-Dec-29, Monday | 07:31:17 | 12:24:41 | 17:18:05 | 9h 46m 48s |
| 2025-Dec-30, Tuesday | 07:31:33 | 12:25:10 | 17:18:47 | 9h 47m 14s |
| 2025-Dec-31, Wednesday | 07:31:47 | 12:25:39 | 17:19:31 | 9h 47m 44s |
Day length in Ulsan during the year on the chart:
Ulsan on Korea, South map:
Largest populated areas in Korea, South
Seoul (Seoul), Busan (Busan), Incheon (Incheon), Daegu (Daegu), Daejeon (Daejeon), Gwangju (Gwangju), Changwon (Gyeongnam), Suwon (Gyeonggi), Songnam (Gyeonggi), Goyang (Gyeonggi), Bucheon (Gyeonggi), Cheongju (Chungbuk), Ansan (Gyeonggi), Jeonju (Jeonbuk), Pohang (Gyeongbuk), Jeju (Jeju), Yeosu (Jeonnam), Iksan (Jeonbuk), Mokpo (Jeonnam), Kunsan (Jeonbuk), Wonju (Gangwon), Chuncheon (Gangwon), Gangneung (Gangwon), Kyongju (Gyeongbuk), Andong (Gyeongbuk), Sokcho (Gangwon), Eumseong (Chungbuk)
Countries closest to Korea, South
*Calculation of distances from capital to capital
Daylight Hours FAQ: 10 Most Googled Questions Answered
Daylight hours refer to the period between sunrise and sunset. This duration changes throughout the year based on season and geographic location.
Earth's 23.5° axial tilt causes uneven sunlight distribution. Your hemisphere receives less direct sunlight in winter (shorter days) and more in summer (longer days).
Northern Hemisphere: June 20-22 (summer solstice).
Southern Hemisphere: December 21-23.
Near polar circles, the sun doesn't set for 24 hours.
Northern Hemisphere: December 21-22 (winter solstice).
Southern Hemisphere: June 20-21.
The closer to poles, the more extreme variations:
- Equator: ~12-hour days year-round
- Polar regions: Midnight sun/polar nights occur
Miami's lower latitude means:
- Winter days are longer than NY's
- Summer days are slightly shorter
During equinoxes:
- Spring: March 20-21
- Fall: September 22-23
Most rapid change near equinoxes: 2-4 minutes daily.
Slowest change near solstices: <1 minute daily.
Reliable tools:
- Timeanddate.com
- SunCalc.org
- Photographer's Ephemeris app
Yes. Reduced winter sunlight may cause:
- Seasonal Affective Disorder (SAD)
- Vitamin D deficiency
Solution: Light therapy lamps & midday walks