Sunrise and Sunset times in Amsan, Korea, South 
Amsan
Seoul
Time zone: Asia/Seoul, UTC 9 h.
Latitude: 37.4728, Longitude: 127.025
| Date | Sunrise | Solar Noon | Sunset | Length of day |
|---|---|---|---|---|
| 2025-Jun-01, Sunday | 05:12:25 | 12:29:44 | 19:47:04 | 14h 34m 39s |
| 2025-Jun-02, Monday | 05:12:04 | 12:29:54 | 19:47:43 | 14h 35m 39s |
| 2025-Jun-03, Tuesday | 05:11:45 | 12:30:04 | 19:48:22 | 14h 36m 37s |
| 2025-Jun-04, Wednesday | 05:11:28 | 12:30:14 | 19:48:59 | 14h 37m 31s |
| 2025-Jun-05, Thursday | 05:11:13 | 12:30:24 | 19:49:35 | 14h 38m 22s |
| 2025-Jun-06, Friday | 05:10:59 | 12:30:35 | 19:50:11 | 14h 39m 12s |
| 2025-Jun-07, Saturday | 05:10:48 | 12:30:46 | 19:50:45 | 14h 39m 57s |
| 2025-Jun-08, Sunday | 05:10:38 | 12:30:58 | 19:51:17 | 14h 40m 39s |
| 2025-Jun-09, Monday | 05:10:30 | 12:31:09 | 19:51:49 | 14h 41m 19s |
| 2025-Jun-10, Tuesday | 05:10:23 | 12:31:21 | 19:52:19 | 14h 41m 56s |
| 2025-Jun-11, Wednesday | 05:10:19 | 12:31:33 | 19:52:48 | 14h 42m 29s |
| 2025-Jun-12, Thursday | 05:10:16 | 12:31:46 | 19:53:15 | 14h 42m 59s |
| 2025-Jun-13, Friday | 05:10:15 | 12:31:58 | 19:53:42 | 14h 43m 27s |
| 2025-Jun-14, Saturday | 05:10:15 | 12:32:11 | 19:54:06 | 14h 43m 51s |
| 2025-Jun-15, Sunday | 05:10:18 | 12:32:23 | 19:54:29 | 14h 44m 11s |
| 2025-Jun-16, Monday | 05:10:22 | 12:32:36 | 19:54:51 | 14h 44m 29s |
| 2025-Jun-17, Tuesday | 05:10:27 | 12:32:49 | 19:55:11 | 14h 44m 44s |
| 2025-Jun-18, Wednesday | 05:10:35 | 12:33:02 | 19:55:30 | 14h 44m 55s |
| 2025-Jun-19, Thursday | 05:10:44 | 12:33:15 | 19:55:47 | 14h 45m 3s |
| 2025-Jun-20, Friday | 05:10:55 | 12:33:29 | 19:56:02 | 14h 45m 7s |
| 2025-Jun-21, Saturday | 05:11:07 | 12:33:42 | 19:56:16 | 14h 45m 9s |
| 2025-Jun-22, Sunday | 05:11:21 | 12:33:55 | 19:56:28 | 14h 45m 7s |
| 2025-Jun-23, Monday | 05:11:36 | 12:34:08 | 19:56:39 | 14h 45m 3s |
| 2025-Jun-24, Tuesday | 05:11:53 | 12:34:21 | 19:56:48 | 14h 44m 55s |
| 2025-Jun-25, Wednesday | 05:12:12 | 12:34:33 | 19:56:55 | 14h 44m 43s |
| 2025-Jun-26, Thursday | 05:12:32 | 12:34:46 | 19:57:00 | 14h 44m 28s |
| 2025-Jun-27, Friday | 05:12:54 | 12:34:59 | 19:57:04 | 14h 44m 10s |
| 2025-Jun-28, Saturday | 05:13:16 | 12:35:11 | 19:57:05 | 14h 43m 49s |
| 2025-Jun-29, Sunday | 05:13:41 | 12:35:23 | 19:57:05 | 14h 43m 24s |
| 2025-Jun-30, Monday | 05:14:06 | 12:35:35 | 19:57:04 | 14h 42m 58s |
Amsan on Korea, South map:
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Daylight Hours FAQ: 10 Most Googled Questions Answered
1. What are daylight hours?
Daylight hours refer to the period between sunrise and sunset. This duration changes throughout the year based on season and geographic location.
2. Why are days shorter in winter and longer in summer?
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).
3. When is the longest day of the year?
Northern Hemisphere: June 20-22 (summer solstice).
Southern Hemisphere: December 21-23.
Near polar circles, the sun doesn't set for 24 hours.
4. When is the shortest day of the year?
Northern Hemisphere: December 21-22 (winter solstice).
Southern Hemisphere: June 20-21.
5. How does latitude affect daylight hours?
The closer to poles, the more extreme variations:
- Equator: ~12-hour days year-round
- Polar regions: Midnight sun/polar nights occur
6. Why do New York and Miami have different day lengths?
Miami's lower latitude means:
- Winter days are longer than NY's
- Summer days are slightly shorter
7. When are day and night equal?
During equinoxes:
- Spring: March 20-21
- Fall: September 22-23
How fast do days lengthen/shorten?
Most rapid change near equinoxes: 2-4 minutes daily.
Slowest change near solstices: <1 minute daily.
9. Where can I check daylight hours for my city?
Reliable tools:
- Timeanddate.com
- SunCalc.org
- Photographer's Ephemeris app
10. Does daylight affect health?
Yes. Reduced winter sunlight may cause:
- Seasonal Affective Disorder (SAD)
- Vitamin D deficiency
Solution: Light therapy lamps & midday walks