Illinois
Time zone: America/Chicago, UTC -5 h.
Latitude: 39.3659, Longitude: -87.7967
Date | Sunrise | Solar Noon | Sunset | Length of day |
---|---|---|---|---|
2025-Jul-01, Tuesday | 05:28:22 | 12:55:11 | 20:22:00 | 14h 53m 38s |
2025-Jul-02, Wednesday | 05:28:52 | 12:55:22 | 20:21:52 | 14h 53m 0s |
2025-Jul-03, Thursday | 05:29:24 | 12:55:33 | 20:21:42 | 14h 52m 18s |
2025-Jul-04, Friday | 05:29:57 | 12:55:44 | 20:21:30 | 14h 51m 33s |
2025-Jul-05, Saturday | 05:30:32 | 12:55:54 | 20:21:16 | 14h 50m 44s |
2025-Jul-06, Sunday | 05:31:07 | 12:56:04 | 20:21:01 | 14h 49m 54s |
2025-Jul-07, Monday | 05:31:44 | 12:56:13 | 20:20:43 | 14h 48m 59s |
2025-Jul-08, Tuesday | 05:32:22 | 12:56:23 | 20:20:23 | 14h 48m 1s |
2025-Jul-09, Wednesday | 05:33:01 | 12:56:31 | 20:20:02 | 14h 47m 1s |
2025-Jul-10, Thursday | 05:33:41 | 12:56:40 | 20:19:38 | 14h 45m 57s |
2025-Jul-11, Friday | 05:34:22 | 12:56:48 | 20:19:13 | 14h 44m 51s |
2025-Jul-12, Saturday | 05:35:05 | 12:56:55 | 20:18:46 | 14h 43m 41s |
2025-Jul-13, Sunday | 05:35:48 | 12:57:02 | 20:18:17 | 14h 42m 29s |
2025-Jul-14, Monday | 05:36:32 | 12:57:09 | 20:17:45 | 14h 41m 13s |
2025-Jul-15, Tuesday | 05:37:17 | 12:57:15 | 20:17:13 | 14h 39m 56s |
2025-Jul-16, Wednesday | 05:38:02 | 12:57:20 | 20:16:38 | 14h 38m 36s |
2025-Jul-17, Thursday | 05:38:49 | 12:57:25 | 20:16:01 | 14h 37m 12s |
2025-Jul-18, Friday | 05:39:36 | 12:57:29 | 20:15:23 | 14h 35m 47s |
2025-Jul-19, Saturday | 05:40:24 | 12:57:33 | 20:14:42 | 14h 34m 18s |
2025-Jul-20, Sunday | 05:41:13 | 12:57:37 | 20:14:00 | 14h 32m 47s |
2025-Jul-21, Monday | 05:42:02 | 12:57:39 | 20:13:17 | 14h 31m 15s |
2025-Jul-22, Tuesday | 05:42:52 | 12:57:41 | 20:12:31 | 14h 29m 39s |
2025-Jul-23, Wednesday | 05:43:42 | 12:57:43 | 20:11:44 | 14h 28m 2s |
2025-Jul-24, Thursday | 05:44:33 | 12:57:44 | 20:10:55 | 14h 26m 22s |
2025-Jul-25, Friday | 05:45:25 | 12:57:44 | 20:10:04 | 14h 24m 39s |
2025-Jul-26, Saturday | 05:46:17 | 12:57:44 | 20:09:12 | 14h 22m 55s |
2025-Jul-27, Sunday | 05:47:09 | 12:57:43 | 20:08:18 | 14h 21m 9s |
2025-Jul-28, Monday | 05:48:02 | 12:57:42 | 20:07:22 | 14h 19m 20s |
2025-Jul-29, Tuesday | 05:48:55 | 12:57:40 | 20:06:25 | 14h 17m 30s |
2025-Jul-30, Wednesday | 05:49:48 | 12:57:37 | 20:05:26 | 14h 15m 38s |
2025-Jul-31, Thursday | 05:50:42 | 12:57:34 | 20:04:26 | 14h 13m 44s |
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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