Sunrise and Sunset times in Koya, Japan 
Koya
Aomori
Time zone: Asia/Tokyo, UTC 9 h.
Latitude: 40.5937, Longitude: 140.36
| Date | Sunrise | Solar Noon | Sunset | Length of day |
|---|---|---|---|---|
| 2025-Jul-01, Tuesday | 04:11:29 | 11:42:26 | 19:13:23 | 15h 1m 54s |
| 2025-Jul-02, Wednesday | 04:11:59 | 11:42:37 | 19:13:15 | 15h 1m 16s |
| 2025-Jul-03, Thursday | 04:12:31 | 11:42:48 | 19:13:05 | 15h 0m 34s |
| 2025-Jul-04, Friday | 04:13:05 | 11:42:59 | 19:12:54 | 14h 59m 49s |
| 2025-Jul-05, Saturday | 04:13:40 | 11:43:10 | 19:12:40 | 14h 59m 0s |
| 2025-Jul-06, Sunday | 04:14:16 | 11:43:20 | 19:12:24 | 14h 58m 8s |
| 2025-Jul-07, Monday | 04:14:53 | 11:43:30 | 19:12:07 | 14h 57m 14s |
| 2025-Jul-08, Tuesday | 04:15:32 | 11:43:39 | 19:11:47 | 14h 56m 15s |
| 2025-Jul-09, Wednesday | 04:16:12 | 11:43:48 | 19:11:25 | 14h 55m 13s |
| 2025-Jul-10, Thursday | 04:16:53 | 11:43:57 | 19:11:01 | 14h 54m 8s |
| 2025-Jul-11, Friday | 04:17:35 | 11:44:05 | 19:10:35 | 14h 53m 0s |
| 2025-Jul-12, Saturday | 04:18:18 | 11:44:13 | 19:10:08 | 14h 51m 50s |
| 2025-Jul-13, Sunday | 04:19:02 | 11:44:20 | 19:09:38 | 14h 50m 36s |
| 2025-Jul-14, Monday | 04:19:48 | 11:44:27 | 19:09:06 | 14h 49m 18s |
| 2025-Jul-15, Tuesday | 04:20:34 | 11:44:33 | 19:08:33 | 14h 47m 59s |
| 2025-Jul-16, Wednesday | 04:21:21 | 11:44:39 | 19:07:57 | 14h 46m 36s |
| 2025-Jul-17, Thursday | 04:22:09 | 11:44:44 | 19:07:19 | 14h 45m 10s |
| 2025-Jul-18, Friday | 04:22:58 | 11:44:49 | 19:06:40 | 14h 43m 42s |
| 2025-Jul-19, Saturday | 04:23:48 | 11:44:53 | 19:05:59 | 14h 42m 11s |
| 2025-Jul-20, Sunday | 04:24:38 | 11:44:57 | 19:05:16 | 14h 40m 38s |
| 2025-Jul-21, Monday | 04:25:29 | 11:45:00 | 19:04:31 | 14h 39m 2s |
| 2025-Jul-22, Tuesday | 04:26:21 | 11:45:03 | 19:03:44 | 14h 37m 23s |
| 2025-Jul-23, Wednesday | 04:27:14 | 11:45:05 | 19:02:55 | 14h 35m 41s |
| 2025-Jul-24, Thursday | 04:28:07 | 11:45:06 | 19:02:05 | 14h 33m 58s |
| 2025-Jul-25, Friday | 04:29:01 | 11:45:07 | 19:01:13 | 14h 32m 12s |
| 2025-Jul-26, Saturday | 04:29:55 | 11:45:07 | 19:00:19 | 14h 30m 24s |
| 2025-Jul-27, Sunday | 04:30:49 | 11:45:06 | 18:59:24 | 14h 28m 35s |
| 2025-Jul-28, Monday | 04:31:45 | 11:45:05 | 18:58:26 | 14h 26m 41s |
| 2025-Jul-29, Tuesday | 04:32:40 | 11:45:04 | 18:57:28 | 14h 24m 48s |
| 2025-Jul-30, Wednesday | 04:33:36 | 11:45:02 | 18:56:27 | 14h 22m 51s |
| 2025-Jul-31, Thursday | 04:34:32 | 11:44:59 | 18:55:25 | 14h 20m 53s |
Koya on Japan map:
Cities in the same time zone Asia/Tokyo
Tokyo (Tōkyō), Osaka (Ōsaka), Yokohama (Kanagawa), Nagoya (Aichi), Fukuoka (Fukuoka), Sapporo (Hokkaidō), Sendai (Miyagi), Hiroshima (Hiroshima), Kyoto (Kyōto), Kobe (Hyōgo), Kawanakajima (Kanagawa), Kitaku (Fukuoka), Hamamatsu (Shizuoka), Naha (Okinawa), Okayama (Okayama), Kumamoto (Kumamoto), Shizuoka (Shizuoka), Utsunomiya (Tochigi), Nagano (Nagano), Hachioji (Tōkyō), Niigata (Niigata), Kagoshima (Kagoshima), Kanazawa (Ishikawa), Otsu (Shiga), Matsuyama (Ehime), Tsu (Mie), Oita (Ōita), Tokushima (Tokushima), Wakayama (Wakayama), Nagasaki (Nagasaki)
Largest Populated Areas in Japan
Tokyo (Tōkyō), Osaka (Ōsaka), Yokohama (Kanagawa), Nagoya (Aichi), Fukuoka (Fukuoka), Sapporo (Hokkaidō), Sendai (Miyagi), Hiroshima (Hiroshima), Kyoto (Kyōto), Kobe (Hyōgo), Kawanakajima (Kanagawa), Kitaku (Fukuoka), Hamamatsu (Shizuoka), Naha (Okinawa), Okayama (Okayama), Kumamoto (Kumamoto), Shizuoka (Shizuoka), Utsunomiya (Tochigi), Nagano (Nagano), Hachioji (Tōkyō), Niigata (Niigata), Kagoshima (Kagoshima), Kanazawa (Ishikawa), Otsu (Shiga), Matsuyama (Ehime), Tsu (Mie), Oita (Ōita), Tokushima (Tokushima), Wakayama (Wakayama), Nagasaki (Nagasaki)
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