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Time Day Length

Sunrise and Sunset times in Koriyama, Japan

Koriyama

Japan

Yamagata

Time zone: Asia/Tokyo, UTC 9 h.

Latitude: 38.0419, Longitude: 140.16


Date Sunrise Solar Noon Sunset Length of day
2025-Jul-01, Tuesday 04:20:18 11:43:14 19:06:10 14h 45m 52s
2025-Jul-02, Wednesday 04:20:47 11:43:25 19:06:04 14h 45m 17s
2025-Jul-03, Thursday 04:21:17 11:43:36 19:05:56 14h 44m 39s
2025-Jul-04, Friday 04:21:48 11:43:47 19:05:47 14h 43m 59s
2025-Jul-05, Saturday 04:22:20 11:43:58 19:05:36 14h 43m 16s
2025-Jul-06, Sunday 04:22:54 11:44:08 19:05:22 14h 42m 28s
2025-Jul-07, Monday 04:23:28 11:44:18 19:05:07 14h 41m 39s
2025-Jul-08, Tuesday 04:24:04 11:44:27 19:04:50 14h 40m 46s
2025-Jul-09, Wednesday 04:24:41 11:44:36 19:04:32 14h 39m 51s
2025-Jul-10, Thursday 04:25:19 11:44:45 19:04:11 14h 38m 52s
2025-Jul-11, Friday 04:25:58 11:44:53 19:03:49 14h 37m 51s
2025-Jul-12, Saturday 04:26:38 11:45:01 19:03:24 14h 36m 46s
2025-Jul-13, Sunday 04:27:18 11:45:08 19:02:58 14h 35m 40s
2025-Jul-14, Monday 04:28:00 11:45:15 19:02:30 14h 34m 30s
2025-Jul-15, Tuesday 04:28:42 11:45:21 19:02:00 14h 33m 18s
2025-Jul-16, Wednesday 04:29:25 11:45:27 19:01:29 14h 32m 4s
2025-Jul-17, Thursday 04:30:09 11:45:32 19:00:55 14h 30m 46s
2025-Jul-18, Friday 04:30:54 11:45:37 19:00:20 14h 29m 26s
2025-Jul-19, Saturday 04:31:39 11:45:41 18:59:43 14h 28m 4s
2025-Jul-20, Sunday 04:32:25 11:45:45 18:59:05 14h 26m 40s
2025-Jul-21, Monday 04:33:12 11:45:48 18:58:24 14h 25m 12s
2025-Jul-22, Tuesday 04:33:59 11:45:51 18:57:42 14h 23m 43s
2025-Jul-23, Wednesday 04:34:47 11:45:53 18:56:59 14h 22m 12s
2025-Jul-24, Thursday 04:35:35 11:45:54 18:56:13 14h 20m 38s
2025-Jul-25, Friday 04:36:23 11:45:55 18:55:26 14h 19m 3s
2025-Jul-26, Saturday 04:37:12 11:45:55 18:54:37 14h 17m 25s
2025-Jul-27, Sunday 04:38:02 11:45:54 18:53:47 14h 15m 45s
2025-Jul-28, Monday 04:38:52 11:45:53 18:52:55 14h 14m 3s
2025-Jul-29, Tuesday 04:39:42 11:45:52 18:52:02 14h 12m 20s
2025-Jul-30, Wednesday 04:40:32 11:45:50 18:51:07 14h 10m 35s
2025-Jul-31, Thursday 04:41:23 11:45:47 18:50:11 14h 8m 48s

Koriyama 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

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