Illinois
Time zone: America/Chicago, UTC -5 h.
Latitude: 39.1714, Longitude: -87.6392
Date | Sunrise | Solar Noon | Sunset | Length of day |
---|---|---|---|---|
2025-Jul-01, Tuesday | 05:28:21 | 12:54:33 | 20:20:45 | 14h 52m 24s |
2025-Jul-02, Wednesday | 05:28:51 | 12:54:44 | 20:20:37 | 14h 51m 46s |
2025-Jul-03, Thursday | 05:29:23 | 12:54:55 | 20:20:28 | 14h 51m 5s |
2025-Jul-04, Friday | 05:29:55 | 12:55:06 | 20:20:16 | 14h 50m 21s |
2025-Jul-05, Saturday | 05:30:30 | 12:55:16 | 20:20:03 | 14h 49m 33s |
2025-Jul-06, Sunday | 05:31:05 | 12:55:26 | 20:19:47 | 14h 48m 42s |
2025-Jul-07, Monday | 05:31:42 | 12:55:36 | 20:19:30 | 14h 47m 48s |
2025-Jul-08, Tuesday | 05:32:19 | 12:55:45 | 20:19:10 | 14h 46m 51s |
2025-Jul-09, Wednesday | 05:32:58 | 12:55:54 | 20:18:49 | 14h 45m 51s |
2025-Jul-10, Thursday | 05:33:38 | 12:56:02 | 20:18:26 | 14h 44m 48s |
2025-Jul-11, Friday | 05:34:19 | 12:56:10 | 20:18:01 | 14h 43m 42s |
2025-Jul-12, Saturday | 05:35:01 | 12:56:17 | 20:17:34 | 14h 42m 33s |
2025-Jul-13, Sunday | 05:35:44 | 12:56:24 | 20:17:05 | 14h 41m 21s |
2025-Jul-14, Monday | 05:36:28 | 12:56:31 | 20:16:34 | 14h 40m 6s |
2025-Jul-15, Tuesday | 05:37:12 | 12:56:37 | 20:16:01 | 14h 38m 49s |
2025-Jul-16, Wednesday | 05:37:58 | 12:56:42 | 20:15:27 | 14h 37m 29s |
2025-Jul-17, Thursday | 05:38:44 | 12:56:47 | 20:14:51 | 14h 36m 7s |
2025-Jul-18, Friday | 05:39:31 | 12:56:52 | 20:14:13 | 14h 34m 42s |
2025-Jul-19, Saturday | 05:40:18 | 12:56:55 | 20:13:33 | 14h 33m 15s |
2025-Jul-20, Sunday | 05:41:07 | 12:56:59 | 20:12:51 | 14h 31m 44s |
2025-Jul-21, Monday | 05:41:56 | 12:57:02 | 20:12:07 | 14h 30m 11s |
2025-Jul-22, Tuesday | 05:42:45 | 12:57:04 | 20:11:22 | 14h 28m 37s |
2025-Jul-23, Wednesday | 05:43:35 | 12:57:05 | 20:10:35 | 14h 27m 0s |
2025-Jul-24, Thursday | 05:44:26 | 12:57:06 | 20:09:47 | 14h 25m 21s |
2025-Jul-25, Friday | 05:45:17 | 12:57:07 | 20:08:56 | 14h 23m 39s |
2025-Jul-26, Saturday | 05:46:08 | 12:57:06 | 20:08:05 | 14h 21m 57s |
2025-Jul-27, Sunday | 05:47:00 | 12:57:06 | 20:07:11 | 14h 20m 11s |
2025-Jul-28, Monday | 05:47:53 | 12:57:04 | 20:06:16 | 14h 18m 23s |
2025-Jul-29, Tuesday | 05:48:45 | 12:57:02 | 20:05:19 | 14h 16m 34s |
2025-Jul-30, Wednesday | 05:49:38 | 12:57:00 | 20:04:21 | 14h 14m 43s |
2025-Jul-31, Thursday | 05:50:32 | 12:56:56 | 20:03:21 | 14h 12m 49s |
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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:
Miami's lower latitude means:
During equinoxes:
Most rapid change near equinoxes: 2-4 minutes daily.
Slowest change near solstices: <1 minute daily.
Reliable tools:
Yes. Reduced winter sunlight may cause:
Solution: Light therapy lamps & midday walks