Sunrise and Sunset times in Castalia, United States

Castalia United States Daily sun schedule, day length and annual chart
☀️ Local time
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Sunrise
Today sunrise
06:15:58
Sunset
Today sunset
19:55:10
🌤️
Day length
13h 39m 12s
City
Castalia
Region / Country
Iowa, United States
Time zone
America/Chicago, UTC -5 h.
Population
160 people
Latitude
43.1126
Longitude
-91.677

Select month and year

Date Sunrise Solar Noon Sunset Day length
2026-Apr-01, Wednesday 06:47:55 13:10:29 19:33:02 12h 45m 7s
2026-Apr-02, Thursday 06:46:10 13:10:11 19:34:12 12h 48m 2s
2026-Apr-03, Friday 06:44:25 13:09:54 19:35:22 12h 50m 57s
2026-Apr-04, Saturday 06:42:40 13:09:36 19:36:32 12h 53m 52s
2026-Apr-05, Sunday 06:40:56 13:09:19 19:37:42 12h 56m 46s
2026-Apr-06, Monday 06:39:12 13:09:02 19:38:52 12h 59m 40s
2026-Apr-07, Tuesday 06:37:29 13:08:45 19:40:02 13h 2m 33s
2026-Apr-08, Wednesday 06:35:46 13:08:29 19:41:12 13h 5m 26s
2026-Apr-09, Thursday 06:34:03 13:08:12 19:42:21 13h 8m 18s
2026-Apr-10, Friday 06:32:21 13:07:56 19:43:31 13h 11m 10s
2026-Apr-11, Saturday 06:30:40 13:07:40 19:44:41 13h 14m 1s
2026-Apr-12, Sunday 06:28:59 13:07:25 19:45:51 13h 16m 52s
2026-Apr-13, Monday 06:27:19 13:07:10 19:47:01 13h 19m 42s
2026-Apr-14, Tuesday 06:25:39 13:06:55 19:48:11 13h 22m 32s
2026-Apr-15, Wednesday 06:24:00 13:06:40 19:49:20 13h 25m 20s
2026-Apr-16, Thursday 06:22:22 13:06:26 19:50:30 13h 28m 8s
2026-Apr-17, Friday 06:20:45 13:06:13 19:51:40 13h 30m 55s
2026-Apr-18, Saturday 06:19:08 13:05:59 19:52:50 13h 33m 42s
2026-Apr-19, Sunday 06:17:32 13:05:46 19:54:00 13h 36m 28s
2026-Apr-20, Monday 06:15:58 13:05:34 19:55:10 13h 39m 12s
2026-Apr-21, Tuesday 06:14:24 13:05:22 19:56:20 13h 41m 56s
2026-Apr-22, Wednesday 06:12:50 13:05:10 19:57:29 13h 44m 39s
2026-Apr-23, Thursday 06:11:18 13:04:59 19:58:39 13h 47m 21s
2026-Apr-24, Friday 06:09:47 13:04:48 19:59:49 13h 50m 2s
2026-Apr-25, Saturday 06:08:17 13:04:38 20:00:58 13h 52m 41s
2026-Apr-26, Sunday 06:06:48 13:04:28 20:02:08 13h 55m 20s
2026-Apr-27, Monday 06:05:20 13:04:18 20:03:17 13h 57m 57s
2026-Apr-28, Tuesday 06:03:53 13:04:10 20:04:27 14h 0m 34s
2026-Apr-29, Wednesday 06:02:27 13:04:01 20:05:36 14h 3m 9s
2026-Apr-30, Thursday 06:01:02 13:03:54 20:06:45 14h 5m 43s

Day length in Castalia during the year on the chart

Castalia 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