Illinois
Time zone: America/Chicago, UTC -5 h.
Latitude: 39.7164, Longitude: -91.3232
Date | Sunrise | Solar Noon | Sunset | Length of day |
---|---|---|---|---|
2025-Jul-01, Tuesday | 05:41:22 | 13:09:17 | 20:37:12 | 14h 55m 50s |
2025-Jul-02, Wednesday | 05:41:53 | 13:09:28 | 20:37:04 | 14h 55m 11s |
2025-Jul-03, Thursday | 05:42:25 | 13:09:39 | 20:36:54 | 14h 54m 29s |
2025-Jul-04, Friday | 05:42:58 | 13:09:50 | 20:36:42 | 14h 53m 44s |
2025-Jul-05, Saturday | 05:43:33 | 13:10:00 | 20:36:28 | 14h 52m 55s |
2025-Jul-06, Sunday | 05:44:09 | 13:10:10 | 20:36:11 | 14h 52m 2s |
2025-Jul-07, Monday | 05:44:46 | 13:10:20 | 20:35:53 | 14h 51m 7s |
2025-Jul-08, Tuesday | 05:45:25 | 13:10:29 | 20:35:33 | 14h 50m 8s |
2025-Jul-09, Wednesday | 05:46:04 | 13:10:38 | 20:35:11 | 14h 49m 7s |
2025-Jul-10, Thursday | 05:46:45 | 13:10:46 | 20:34:48 | 14h 48m 3s |
2025-Jul-11, Friday | 05:47:27 | 13:10:54 | 20:34:22 | 14h 46m 55s |
2025-Jul-12, Saturday | 05:48:09 | 13:11:02 | 20:33:54 | 14h 45m 45s |
2025-Jul-13, Sunday | 05:48:53 | 13:11:09 | 20:33:24 | 14h 44m 31s |
2025-Jul-14, Monday | 05:49:37 | 13:11:15 | 20:32:53 | 14h 43m 16s |
2025-Jul-15, Tuesday | 05:50:23 | 13:11:21 | 20:32:19 | 14h 41m 56s |
2025-Jul-16, Wednesday | 05:51:09 | 13:11:26 | 20:31:44 | 14h 40m 35s |
2025-Jul-17, Thursday | 05:51:56 | 13:11:31 | 20:31:06 | 14h 39m 10s |
2025-Jul-18, Friday | 05:52:44 | 13:11:36 | 20:30:27 | 14h 37m 43s |
2025-Jul-19, Saturday | 05:53:33 | 13:11:40 | 20:29:47 | 14h 36m 14s |
2025-Jul-20, Sunday | 05:54:22 | 13:11:43 | 20:29:04 | 14h 34m 42s |
2025-Jul-21, Monday | 05:55:12 | 13:11:46 | 20:28:19 | 14h 33m 7s |
2025-Jul-22, Tuesday | 05:56:03 | 13:11:48 | 20:27:33 | 14h 31m 30s |
2025-Jul-23, Wednesday | 05:56:54 | 13:11:49 | 20:26:45 | 14h 29m 51s |
2025-Jul-24, Thursday | 05:57:45 | 13:11:50 | 20:25:55 | 14h 28m 10s |
2025-Jul-25, Friday | 05:58:38 | 13:11:51 | 20:25:04 | 14h 26m 26s |
2025-Jul-26, Saturday | 05:59:30 | 13:11:51 | 20:24:11 | 14h 24m 41s |
2025-Jul-27, Sunday | 06:00:23 | 13:11:50 | 20:23:16 | 14h 22m 53s |
2025-Jul-28, Monday | 06:01:17 | 13:11:48 | 20:22:20 | 14h 21m 3s |
2025-Jul-29, Tuesday | 06:02:11 | 13:11:46 | 20:21:22 | 14h 19m 11s |
2025-Jul-30, Wednesday | 06:03:05 | 13:11:44 | 20:20:23 | 14h 17m 18s |
2025-Jul-31, Thursday | 06:03:59 | 13:11:41 | 20:19:22 | 14h 15m 23s |
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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