Sunrise and Sunset times in Boulder Hill, United States 
Boulder Hill
☁️ Low chance of a spectacular sunset.
Illinois, United States
8 973 people
Current temperature 23 ° C 
Overcast
Today:
 Sunrise: 05:58:15
|
 Sunset: 19:58:42
|
Day Length: 14h 0m 27s
Time zone: America/Chicago, UTC -5 h.
Latitude: 41.7112, Longitude: -88.3353
| Date | Sunrise | Solar Noon | Sunset | Day length |
|---|---|---|---|---|
| 2025-Aug-01, Friday | 05:48:07 | 12:59:40 | 20:11:12 | 14h 23m 5s |
| 2025-Aug-02, Saturday | 05:49:07 | 12:59:35 | 20:10:03 | 14h 20m 56s |
| 2025-Aug-03, Sunday | 05:50:07 | 12:59:30 | 20:08:53 | 14h 18m 46s |
| 2025-Aug-04, Monday | 05:51:08 | 12:59:25 | 20:07:41 | 14h 16m 33s |
| 2025-Aug-05, Tuesday | 05:52:08 | 12:59:18 | 20:06:28 | 14h 14m 20s |
| 2025-Aug-06, Wednesday | 05:53:09 | 12:59:11 | 20:05:14 | 14h 12m 5s |
| 2025-Aug-07, Thursday | 05:54:10 | 12:59:04 | 20:03:58 | 14h 9m 48s |
| 2025-Aug-08, Friday | 05:55:11 | 12:58:56 | 20:02:41 | 14h 7m 30s |
| 2025-Aug-09, Saturday | 05:56:12 | 12:58:47 | 20:01:22 | 14h 5m 10s |
| 2025-Aug-10, Sunday | 05:57:14 | 12:58:38 | 20:00:03 | 14h 2m 49s |
| 2025-Aug-11, Monday | 05:58:15 | 12:58:28 | 19:58:42 | 14h 0m 27s |
| 2025-Aug-12, Tuesday | 05:59:17 | 12:58:18 | 19:57:20 | 13h 58m 3s |
| 2025-Aug-13, Wednesday | 06:00:18 | 12:58:07 | 19:55:56 | 13h 55m 38s |
| 2025-Aug-14, Thursday | 06:01:20 | 12:57:56 | 19:54:32 | 13h 53m 12s |
| 2025-Aug-15, Friday | 06:02:22 | 12:57:44 | 19:53:06 | 13h 50m 44s |
| 2025-Aug-16, Saturday | 06:03:24 | 12:57:32 | 19:51:39 | 13h 48m 15s |
| 2025-Aug-17, Sunday | 06:04:25 | 12:57:19 | 19:50:12 | 13h 45m 47s |
| 2025-Aug-18, Monday | 06:05:27 | 12:57:05 | 19:48:43 | 13h 43m 16s |
| 2025-Aug-19, Tuesday | 06:06:29 | 12:56:51 | 19:47:13 | 13h 40m 44s |
| 2025-Aug-20, Wednesday | 06:07:31 | 12:56:37 | 19:45:43 | 13h 38m 12s |
| 2025-Aug-21, Thursday | 06:08:32 | 12:56:22 | 19:44:11 | 13h 35m 39s |
| 2025-Aug-22, Friday | 06:09:34 | 12:56:06 | 19:42:39 | 13h 33m 5s |
| 2025-Aug-23, Saturday | 06:10:36 | 12:55:51 | 19:41:05 | 13h 30m 29s |
| 2025-Aug-24, Sunday | 06:11:37 | 12:55:34 | 19:39:31 | 13h 27m 54s |
| 2025-Aug-25, Monday | 06:12:39 | 12:55:18 | 19:37:56 | 13h 25m 17s |
| 2025-Aug-26, Tuesday | 06:13:41 | 12:55:01 | 19:36:21 | 13h 22m 40s |
| 2025-Aug-27, Wednesday | 06:14:42 | 12:54:43 | 19:34:44 | 13h 20m 2s |
| 2025-Aug-28, Thursday | 06:15:43 | 12:54:25 | 19:33:07 | 13h 17m 24s |
| 2025-Aug-29, Friday | 06:16:45 | 12:54:07 | 19:31:30 | 13h 14m 45s |
| 2025-Aug-30, Saturday | 06:17:46 | 12:53:49 | 19:29:51 | 13h 12m 5s |
| 2025-Aug-31, Sunday | 06:18:48 | 12:53:30 | 19:28:12 | 13h 9m 24s |
Day length in Boulder Hill during the year on the chart:
Boulder Hill on United States map:
Locations in the same time zone America/Chicago
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Largest Populated Areas in United States
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Daylight Hours FAQ: 10 Most Googled Questions Answered
Daylight hours refer to the period between sunrise and sunset. This duration changes throughout the year based on season and geographic location.
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).
Northern Hemisphere: June 20-22 (summer solstice).
Southern Hemisphere: December 21-23.
Near polar circles, the sun doesn't set for 24 hours.
Northern Hemisphere: December 21-22 (winter solstice).
Southern Hemisphere: June 20-21.
The closer to poles, the more extreme variations:
- Equator: ~12-hour days year-round
- Polar regions: Midnight sun/polar nights occur
Miami's lower latitude means:
- Winter days are longer than NY's
- Summer days are slightly shorter
During equinoxes:
- Spring: March 20-21
- Fall: September 22-23
Most rapid change near equinoxes: 2-4 minutes daily.
Slowest change near solstices: <1 minute daily.
Reliable tools:
- Timeanddate.com
- SunCalc.org
- Photographer's Ephemeris app
Yes. Reduced winter sunlight may cause:
- Seasonal Affective Disorder (SAD)
- Vitamin D deficiency
Solution: Light therapy lamps & midday walks