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Time Day Length

Sunrise and Sunset times in Koizumi, Japan

Koizumi

Japan

Saitama

Time zone: Asia/Tokyo, UTC 9 h.

Latitude: 36.1129, Longitude: 139.399


Date Sunrise Solar Noon Sunset Length of day
2025-Jul-01, Tuesday 04:28:59 11:46:17 19:03:35 14h 34m 36s
2025-Jul-02, Wednesday 04:29:26 11:46:28 19:03:30 14h 34m 4s
2025-Jul-03, Thursday 04:29:54 11:46:39 19:03:24 14h 33m 30s
2025-Jul-04, Friday 04:30:24 11:46:50 19:03:16 14h 32m 52s
2025-Jul-05, Saturday 04:30:55 11:47:01 19:03:06 14h 32m 11s
2025-Jul-06, Sunday 04:31:26 11:47:11 19:02:55 14h 31m 29s
2025-Jul-07, Monday 04:31:59 11:47:21 19:02:42 14h 30m 43s
2025-Jul-08, Tuesday 04:32:33 11:47:30 19:02:27 14h 29m 54s
2025-Jul-09, Wednesday 04:33:08 11:47:39 19:02:10 14h 29m 2s
2025-Jul-10, Thursday 04:33:44 11:47:48 19:01:52 14h 28m 8s
2025-Jul-11, Friday 04:34:20 11:47:56 19:01:32 14h 27m 12s
2025-Jul-12, Saturday 04:34:57 11:48:04 19:01:10 14h 26m 13s
2025-Jul-13, Sunday 04:35:36 11:48:11 19:00:46 14h 25m 10s
2025-Jul-14, Monday 04:36:15 11:48:18 19:00:21 14h 24m 6s
2025-Jul-15, Tuesday 04:36:54 11:48:24 18:59:53 14h 22m 59s
2025-Jul-16, Wednesday 04:37:35 11:48:30 18:59:25 14h 21m 50s
2025-Jul-17, Thursday 04:38:16 11:48:35 18:58:54 14h 20m 38s
2025-Jul-18, Friday 04:38:58 11:48:40 18:58:22 14h 19m 24s
2025-Jul-19, Saturday 04:39:40 11:48:44 18:57:48 14h 18m 8s
2025-Jul-20, Sunday 04:40:23 11:48:48 18:57:13 14h 16m 50s
2025-Jul-21, Monday 04:41:06 11:48:51 18:56:35 14h 15m 29s
2025-Jul-22, Tuesday 04:41:50 11:48:53 18:55:57 14h 14m 7s
2025-Jul-23, Wednesday 04:42:34 11:48:55 18:55:16 14h 12m 42s
2025-Jul-24, Thursday 04:43:19 11:48:57 18:54:34 14h 11m 15s
2025-Jul-25, Friday 04:44:04 11:48:57 18:53:51 14h 9m 47s
2025-Jul-26, Saturday 04:44:50 11:48:58 18:53:05 14h 8m 15s
2025-Jul-27, Sunday 04:45:35 11:48:57 18:52:19 14h 6m 44s
2025-Jul-28, Monday 04:46:21 11:48:56 18:51:31 14h 5m 10s
2025-Jul-29, Tuesday 04:47:08 11:48:54 18:50:41 14h 3m 33s
2025-Jul-30, Wednesday 04:47:55 11:48:52 18:49:50 14h 1m 55s
2025-Jul-31, Thursday 04:48:41 11:48:49 18:48:57 14h 0m 16s

Koizumi 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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