Sunrise and Sunset times in Crystal Lake, United States

Crystal Lake United States Daily sun schedule, day length and annual chart
☀️ Local time
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Sunrise
Today sunrise
06:24:14
Sunset
Today sunset
20:03:49
🌤️
Day length
13h 39m 35s
City
Crystal Lake
Region / Country
Iowa, United States
Time zone
America/Chicago, UTC -5 h.
Population
236 people
Latitude
43.2229
Longitude
-93.7927

Select month and year

Date Sunrise Solar Noon Sunset Day length
2026-Apr-01, Wednesday 06:56:18 13:18:57 19:41:35 12h 45m 17s
2026-Apr-02, Thursday 06:54:32 13:18:39 19:42:46 12h 48m 14s
2026-Apr-03, Friday 06:52:47 13:18:21 19:43:56 12h 51m 9s
2026-Apr-04, Saturday 06:51:02 13:18:04 19:45:06 12h 54m 4s
2026-Apr-05, Sunday 06:49:17 13:17:47 19:46:16 12h 56m 59s
2026-Apr-06, Monday 06:47:33 13:17:30 19:47:26 12h 59m 53s
2026-Apr-07, Tuesday 06:45:49 13:17:13 19:48:37 13h 2m 48s
2026-Apr-08, Wednesday 06:44:06 13:16:56 19:49:47 13h 5m 41s
2026-Apr-09, Thursday 06:42:23 13:16:40 19:50:57 13h 8m 34s
2026-Apr-10, Friday 06:40:41 13:16:24 19:52:07 13h 11m 26s
2026-Apr-11, Saturday 06:38:59 13:16:08 19:53:17 13h 14m 18s
2026-Apr-12, Sunday 06:37:18 13:15:53 19:54:27 13h 17m 9s
2026-Apr-13, Monday 06:35:37 13:15:37 19:55:38 13h 20m 1s
2026-Apr-14, Tuesday 06:33:57 13:15:23 19:56:48 13h 22m 51s
2026-Apr-15, Wednesday 06:32:18 13:15:08 19:57:58 13h 25m 40s
2026-Apr-16, Thursday 06:30:40 13:14:54 19:59:08 13h 28m 28s
2026-Apr-17, Friday 06:29:02 13:14:40 20:00:18 13h 31m 16s
2026-Apr-18, Saturday 06:27:25 13:14:27 20:01:29 13h 34m 4s
2026-Apr-19, Sunday 06:25:49 13:14:14 20:02:39 13h 36m 50s
2026-Apr-20, Monday 06:24:14 13:14:01 20:03:49 13h 39m 35s
2026-Apr-21, Tuesday 06:22:39 13:13:49 20:04:59 13h 42m 20s
2026-Apr-22, Wednesday 06:21:06 13:13:38 20:06:09 13h 45m 3s
2026-Apr-23, Thursday 06:19:33 13:13:26 20:07:19 13h 47m 46s
2026-Apr-24, Friday 06:18:02 13:13:16 20:08:29 13h 50m 27s
2026-Apr-25, Saturday 06:16:31 13:13:05 20:09:39 13h 53m 8s
2026-Apr-26, Sunday 06:15:02 13:12:55 20:10:49 13h 55m 47s
2026-Apr-27, Monday 06:13:33 13:12:46 20:11:59 13h 58m 26s
2026-Apr-28, Tuesday 06:12:06 13:12:37 20:13:09 14h 1m 3s
2026-Apr-29, Wednesday 06:10:40 13:12:29 20:14:18 14h 3m 38s
2026-Apr-30, Thursday 06:09:15 13:12:21 20:15:28 14h 6m 13s

Day length in Crystal Lake during the year on the chart

Crystal Lake on United States map

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