Sunrise and Sunset times in Oya, Japan 
Oya
Nagano
Time zone: Asia/Tokyo, UTC 9 h.
Latitude: 36.3728, Longitude: 138.293
0 people
| Date | Sunrise | Solar Noon | Sunset | Length of day |
|---|---|---|---|---|
| 2025-Jun-01, Sunday | 04:30:23 | 11:44:40 | 18:58:57 | 14h 28m 34s |
| 2025-Jun-02, Monday | 04:30:03 | 11:44:49 | 18:59:35 | 14h 29m 32s |
| 2025-Jun-03, Tuesday | 04:29:46 | 11:44:59 | 19:00:12 | 14h 30m 26s |
| 2025-Jun-04, Wednesday | 04:29:30 | 11:45:09 | 19:00:49 | 14h 31m 19s |
| 2025-Jun-05, Thursday | 04:29:15 | 11:45:20 | 19:01:24 | 14h 32m 9s |
| 2025-Jun-06, Friday | 04:29:03 | 11:45:30 | 19:01:58 | 14h 32m 55s |
| 2025-Jun-07, Saturday | 04:28:52 | 11:45:41 | 19:02:31 | 14h 33m 39s |
| 2025-Jun-08, Sunday | 04:28:43 | 11:45:53 | 19:03:03 | 14h 34m 20s |
| 2025-Jun-09, Monday | 04:28:36 | 11:46:05 | 19:03:33 | 14h 34m 57s |
| 2025-Jun-10, Tuesday | 04:28:30 | 11:46:16 | 19:04:03 | 14h 35m 33s |
| 2025-Jun-11, Wednesday | 04:28:26 | 11:46:29 | 19:04:31 | 14h 36m 5s |
| 2025-Jun-12, Thursday | 04:28:24 | 11:46:41 | 19:04:58 | 14h 36m 34s |
| 2025-Jun-13, Friday | 04:28:23 | 11:46:53 | 19:05:24 | 14h 37m 1s |
| 2025-Jun-14, Saturday | 04:28:24 | 11:47:06 | 19:05:48 | 14h 37m 24s |
| 2025-Jun-15, Sunday | 04:28:27 | 11:47:19 | 19:06:11 | 14h 37m 44s |
| 2025-Jun-16, Monday | 04:28:31 | 11:47:32 | 19:06:32 | 14h 38m 1s |
| 2025-Jun-17, Tuesday | 04:28:37 | 11:47:45 | 19:06:52 | 14h 38m 15s |
| 2025-Jun-18, Wednesday | 04:28:45 | 11:47:58 | 19:07:10 | 14h 38m 25s |
| 2025-Jun-19, Thursday | 04:28:54 | 11:48:11 | 19:07:27 | 14h 38m 33s |
| 2025-Jun-20, Friday | 04:29:05 | 11:48:24 | 19:07:43 | 14h 38m 38s |
| 2025-Jun-21, Saturday | 04:29:17 | 11:48:37 | 19:07:56 | 14h 38m 39s |
| 2025-Jun-22, Sunday | 04:29:31 | 11:48:50 | 19:08:09 | 14h 38m 38s |
| 2025-Jun-23, Monday | 04:29:47 | 11:49:03 | 19:08:19 | 14h 38m 32s |
| 2025-Jun-24, Tuesday | 04:30:03 | 11:49:16 | 19:08:28 | 14h 38m 25s |
| 2025-Jun-25, Wednesday | 04:30:22 | 11:49:29 | 19:08:36 | 14h 38m 14s |
| 2025-Jun-26, Thursday | 04:30:41 | 11:49:41 | 19:08:41 | 14h 38m 0s |
| 2025-Jun-27, Friday | 04:31:02 | 11:49:54 | 19:08:45 | 14h 37m 43s |
| 2025-Jun-28, Saturday | 04:31:25 | 11:50:06 | 19:08:48 | 14h 37m 23s |
| 2025-Jun-29, Sunday | 04:31:48 | 11:50:18 | 19:08:48 | 14h 37m 0s |
| 2025-Jun-30, Monday | 04:32:13 | 11:50:30 | 19:08:47 | 14h 36m 34s |
Oya on Japan map:
Other cities
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What time is it in Oya nowDaylight 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