Sunrise and Sunset times in Riverdale, United States

Riverdale United States Daily sun schedule, day length and annual chart
☀️ Local time
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Sunrise
Today sunrise
06:13:41
Sunset
Today sunset
19:47:44
🌤️
Day length
13h 34m 3s
City
Riverdale
Region / Country
Iowa, United States
Time zone
America/Chicago, UTC -5 h.
Population
438 people
Latitude
41.5371
Longitude
-90.4637

Select month and year

Date Sunrise Solar Noon Sunset Day length
2026-Apr-01, Wednesday 06:44:09 13:05:38 19:27:06 12h 42m 57s
2026-Apr-02, Thursday 06:42:29 13:05:20 19:28:11 12h 45m 42s
2026-Apr-03, Friday 06:40:49 13:05:03 19:29:17 12h 48m 28s
2026-Apr-04, Saturday 06:39:09 13:04:45 19:30:22 12h 51m 13s
2026-Apr-05, Sunday 06:37:29 13:04:28 19:31:27 12h 53m 58s
2026-Apr-06, Monday 06:35:50 13:04:11 19:32:32 12h 56m 42s
2026-Apr-07, Tuesday 06:34:11 13:03:54 19:33:37 12h 59m 26s
2026-Apr-08, Wednesday 06:32:33 13:03:38 19:34:42 13h 2m 9s
2026-Apr-09, Thursday 06:30:55 13:03:21 19:35:47 13h 4m 52s
2026-Apr-10, Friday 06:29:18 13:03:05 19:36:52 13h 7m 34s
2026-Apr-11, Saturday 06:27:41 13:02:49 19:37:58 13h 10m 17s
2026-Apr-12, Sunday 06:26:05 13:02:34 19:39:03 13h 12m 58s
2026-Apr-13, Monday 06:24:29 13:02:19 19:40:08 13h 15m 39s
2026-Apr-14, Tuesday 06:22:54 13:02:04 19:41:13 13h 18m 19s
2026-Apr-15, Wednesday 06:21:20 13:01:49 19:42:18 13h 20m 58s
2026-Apr-16, Thursday 06:19:47 13:01:35 19:43:24 13h 23m 37s
2026-Apr-17, Friday 06:18:14 13:01:21 19:44:29 13h 26m 15s
2026-Apr-18, Saturday 06:16:42 13:01:08 19:45:34 13h 28m 52s
2026-Apr-19, Sunday 06:15:11 13:00:55 19:46:39 13h 31m 28s
2026-Apr-20, Monday 06:13:41 13:00:42 19:47:44 13h 34m 3s
2026-Apr-21, Tuesday 06:12:11 13:00:30 19:48:50 13h 36m 39s
2026-Apr-22, Wednesday 06:10:42 13:00:19 19:49:55 13h 39m 13s
2026-Apr-23, Thursday 06:09:15 13:00:07 19:51:00 13h 41m 45s
2026-Apr-24, Friday 06:07:48 12:59:57 19:52:05 13h 44m 17s
2026-Apr-25, Saturday 06:06:22 12:59:46 19:53:10 13h 46m 48s
2026-Apr-26, Sunday 06:04:58 12:59:37 19:54:15 13h 49m 17s
2026-Apr-27, Monday 06:03:34 12:59:27 19:55:20 13h 51m 46s
2026-Apr-28, Tuesday 06:02:12 12:59:19 19:56:25 13h 54m 13s
2026-Apr-29, Wednesday 06:00:50 12:59:10 19:57:30 13h 56m 40s
2026-Apr-30, Thursday 05:59:30 12:59:03 19:58:35 13h 59m 5s

Day length in Riverdale during the year on the chart

Riverdale 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