Sunrise and sunset times in Rock Valley, IA
Check out today's and tomorrow's sunrise and sunset times in Rock Valley, IA, United States, as well as the whole calendar for August 2026.
Today
August 4, 2026 . Current time: 9:15:13 am
First light at 5:47:13 am
Sunrise time: 6:17:35 am
Sunset time: 8:44:58 pm
Last light at 9:15:20 pm
Day length: 14 hours, 27 minutes
11 hours, 29 minutes left for today's sunset in Rock Valley
Moon will set on Aug 4 at 11:51 AM
Moon will rise on Aug 4 at 10:16 PMMoon phase: 🌖 Waning Gibbous (66%)🌑 New moon: Aug 12 at 12:37 PM · 🌕 Full moon: Aug 27 at 11:19 PMTomorrow
August 5, 2026
First light at 5:48:24 am
Sunrise time: 6:18:39 am
Sunset time: 8:43:41 pm
Last light at 9:13:56 pm
Day length: 14 hours, 25 minutes
Tomorrow will be 2 minutes shorter than today in Rock Valley
Moon will set on Aug 5 at 1:05 PM Moon will rise on Aug 5 at 10:45 PMMoon phase: 🌗 Last Quarter (49%)
- Rock Valley, Iowa
- Latitude: 43.205257
- Longitude: -96.295029
- Time zone: Central Time CDT
Shortest day in Rock Valley, IA
The shortest day of the year will be in 5 months, during the winter solstice on December 21, 2026, with a daylight length of 9 hours and 2 minutes.Longest day in Rock Valley, IA
The longest day of the year was 1 month and 14 days ago, during the summer solstice on June 20, 2026, with a daylight length of 15 hours and 26 minutes.
August 2026 - Rock Valley, Iowa - Sunrise and sunset calendar
Sunrise and sunset times, civil twilight start and end times as well as solar noon, and day length for every day of August in Rock Valley.
The day length shortens by 1 hour, 17 minutes over the course of August 2026 in Rock Valley, IA - from 14 hours, 34 minutes on the first day to 13 hours, 16 minutes on the last day.
| Day | Twilight Start | Sunrise | Sunset | Twilight End | Day Length | Day Length Variation | Solar Noon
Time of day when the sun reaches its highest point in the sky.
|
Max Sun Altitude | Nautical Twilight Start | Nautical Twilight End | Astronomical Twilight Start | Astronomical Twilight End | Night Length
Calculated form this day's sunset to the next day's sunrise.
|
Moon phase |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sat, Aug 1 | 5:43:40 am | 6:14:22 am | 8:48:40 pm | 9:19:22 pm | 14h 34m 18s | 14h 34m 18s | 1:31:31 pm | 61.1° | 5:03:21 am | 9:59:41 pm | 4:17:48 am | 10:45:14 pm | 9h 26m 46s | 🌖 (93%) |
| Sun, Aug 2 | 5:44:51 am | 6:15:26 am | 8:47:27 pm | 9:18:03 pm | 14h 32m 1s | -2m -17s | 1:31:27 pm | 60.8° | 5:04:44 am | 9:58:10 pm | 4:19:32 am | 10:43:21 pm | 9h 29m 3s | 🌖 (87%) |
| Mon, Aug 3 | 5:46:02 am | 6:16:30 am | 8:46:13 pm | 9:16:42 pm | 14h 29m 43s | -2m -18s | 1:31:22 pm | 60.6° | 5:06:07 am | 9:56:37 pm | 4:21:17 am | 10:41:27 pm | 9h 31m 22s | 🌖 (80%) |
| Tue, Aug 4 | 5:47:13 am | 6:17:35 am | 8:44:58 pm | 9:15:20 pm | 14h 27m 23s | -2m -20s | 1:31:16 pm | 60.3° | 5:07:30 am | 9:55:03 pm | 4:23:01 am | 10:39:31 pm | 9h 33m 41s | 🌖 (70%) |
| Wed, Aug 5 | 5:48:24 am | 6:18:39 am | 8:43:41 pm | 9:13:56 pm | 14h 25m 2s | -2m -21s | 1:31:10 pm | 60° | 5:08:53 am | 9:53:27 pm | 4:24:46 am | 10:37:35 pm | 9h 36m 3s | 🌖 (60%) |
| Thu, Aug 6 | 5:49:36 am | 6:19:44 am | 8:42:23 pm | 9:12:31 pm | 14h 22m 39s | -2m -23s | 1:31:03 pm | 59.7° | 5:10:17 am | 9:51:50 pm | 4:26:30 am | 10:35:37 pm | 9h 38m 27s | 🌗 (49%) |
| Fri, Aug 7 | 5:50:47 am | 6:20:50 am | 8:41:03 pm | 9:11:05 pm | 14h 20m 13s | -2m -26s | 1:30:56 pm | 59.5° | 5:11:40 am | 9:50:12 pm | 4:28:13 am | 10:33:39 pm | 9h 40m 52s | 🌘 (37%) |
| Sat, Aug 8 | 5:51:59 am | 6:21:55 am | 8:39:42 pm | 9:09:37 pm | 14h 17m 47s | -2m -26s | 1:30:48 pm | 59.2° | 5:13:04 am | 9:48:33 pm | 4:29:57 am | 10:31:40 pm | 9h 43m 18s | 🌘 (27%) |
| Sun, Aug 9 | 5:53:11 am | 6:23:00 am | 8:38:19 pm | 9:08:08 pm | 14h 15m 19s | -2m -28s | 1:30:40 pm | 58.9° | 5:14:27 am | 9:46:52 pm | 4:31:40 am | 10:29:40 pm | 9h 45m 47s | 🌘 (17%) |
| Mon, Aug 10 | 5:54:23 am | 6:24:06 am | 8:36:55 pm | 9:06:38 pm | 14h 12m 49s | -2m -30s | 1:30:31 pm | 58.6° | 5:15:51 am | 9:45:11 pm | 4:33:23 am | 10:27:39 pm | 9h 48m 17s | 🌘 (9%) |
| Tue, Aug 11 | 5:55:35 am | 6:25:12 am | 8:35:30 pm | 9:05:07 pm | 14h 10m 18s | -2m -31s | 1:30:21 pm | 58.3° | 5:17:14 am | 9:43:28 pm | 4:35:05 am | 10:25:37 pm | 9h 50m 48s | 🌘 (3%) |
| Wed, Aug 12 | 5:56:47 am | 6:26:18 am | 8:34:04 pm | 9:03:34 pm | 14h 7m 46s | -2m -32s | 1:30:11 pm | 58° | 5:18:38 am | 9:41:44 pm | 4:36:47 am | 10:23:35 pm | 9h 53m 20s | 🌘 (0%) |
| Thu, Aug 13 | 5:58:00 am | 6:27:24 am | 8:32:36 pm | 9:02:01 pm | 14h 5m 12s | -2m -34s | 1:30:00 pm | 57.7° | 5:20:01 am | 9:40:00 pm | 4:38:28 am | 10:21:33 pm | 9h 55m 54s | 🌑 (0%) |
| Fri, Aug 14 | 5:59:12 am | 6:28:30 am | 8:31:08 pm | 9:00:26 pm | 14h 2m 38s | -2m -34s | 1:29:49 pm | 57.4° | 5:21:24 am | 9:38:14 pm | 4:40:09 am | 10:19:29 pm | 9h 58m 28s | 🌒 (3%) |
| Sat, Aug 15 | 6:00:24 am | 6:29:36 am | 8:29:38 pm | 8:58:50 pm | 14h 0m 2s | -2m -36s | 1:29:37 pm | 57.1° | 5:22:46 am | 9:36:28 pm | 4:41:49 am | 10:17:25 pm | 10h 1m 4s | 🌒 (8%) |
| Sun, Aug 16 | 6:01:36 am | 6:30:42 am | 8:28:07 pm | 8:57:14 pm | 13h 57m 25s | -2m -37s | 1:29:25 pm | 56.8° | 5:24:09 am | 9:34:40 pm | 4:43:28 am | 10:15:21 pm | 10h 3m 42s | 🌒 (15%) |
| Mon, Aug 17 | 6:02:48 am | 6:31:49 am | 8:26:35 pm | 8:55:36 pm | 13h 54m 46s | -2m -39s | 1:29:12 pm | 56.4° | 5:25:31 am | 9:32:52 pm | 4:45:07 am | 10:13:17 pm | 10h 6m 20s | 🌒 (23%) |
| Tue, Aug 18 | 6:04:00 am | 6:32:55 am | 8:25:02 pm | 8:53:57 pm | 13h 52m 7s | -2m -39s | 1:28:59 pm | 56.1° | 5:26:53 am | 9:31:04 pm | 4:46:46 am | 10:11:11 pm | 10h 8m 59s | 🌒 (32%) |
| Wed, Aug 19 | 6:05:12 am | 6:34:01 am | 8:23:28 pm | 8:52:18 pm | 13h 49m 27s | -2m -40s | 1:28:45 pm | 55.8° | 5:28:15 am | 9:29:14 pm | 4:48:23 am | 10:09:06 pm | 10h 11m 40s | 🌒 (41%) |
| Thu, Aug 20 | 6:06:23 am | 6:35:08 am | 8:21:53 pm | 8:50:37 pm | 13h 46m 45s | -2m -42s | 1:28:30 pm | 55.5° | 5:29:37 am | 9:27:24 pm | 4:50:00 am | 10:07:00 pm | 10h 14m 21s | 🌓 (51%) |
| Fri, Aug 21 | 6:07:35 am | 6:36:14 am | 8:20:17 pm | 8:48:56 pm | 13h 44m 3s | -2m -42s | 1:28:15 pm | 55.1° | 5:30:58 am | 9:25:33 pm | 4:51:37 am | 10:04:54 pm | 10h 17m 3s | 🌔 (60%) |
| Sat, Aug 22 | 6:08:46 am | 6:37:20 am | 8:18:40 pm | 8:47:14 pm | 13h 41m 20s | -2m -43s | 1:28:00 pm | 54.8° | 5:32:18 am | 9:23:42 pm | 4:53:12 am | 10:02:48 pm | 10h 19m 46s | 🌔 (69%) |
| Sun, Aug 23 | 6:09:58 am | 6:38:26 am | 8:17:03 pm | 8:45:31 pm | 13h 38m 37s | -2m -43s | 1:27:44 pm | 54.4° | 5:33:39 am | 9:21:50 pm | 4:54:47 am | 10:00:42 pm | 10h 22m 29s | 🌔 (78%) |
| Mon, Aug 24 | 6:11:09 am | 6:39:32 am | 8:15:24 pm | 8:43:48 pm | 13h 35m 52s | -2m -45s | 1:27:28 pm | 54.1° | 5:34:59 am | 9:19:58 pm | 4:56:22 am | 9:58:35 pm | 10h 25m 15s | 🌔 (85%) |
| Tue, Aug 25 | 6:12:20 am | 6:40:39 am | 8:13:45 pm | 8:42:04 pm | 13h 33m 6s | -2m -46s | 1:27:12 pm | 53.8° | 5:36:19 am | 9:18:05 pm | 4:57:55 am | 9:56:28 pm | 10h 28m 0s | 🌔 (91%) |
| Wed, Aug 26 | 6:13:31 am | 6:41:45 am | 8:12:05 pm | 8:40:19 pm | 13h 30m 20s | -2m -46s | 1:26:55 pm | 53.4° | 5:37:38 am | 9:16:11 pm | 4:59:28 am | 9:54:22 pm | 10h 30m 46s | 🌔 (96%) |
| Thu, Aug 27 | 6:14:41 am | 6:42:51 am | 8:10:24 pm | 8:38:34 pm | 13h 27m 33s | -2m -47s | 1:26:37 pm | 53.1° | 5:38:57 am | 9:14:18 pm | 5:01:00 am | 9:52:15 pm | 10h 33m 33s | 🌔 (99%) |
| Fri, Aug 28 | 6:15:52 am | 6:43:57 am | 8:08:43 pm | 8:36:48 pm | 13h 24m 46s | -2m -47s | 1:26:20 pm | 52.7° | 5:40:16 am | 9:12:24 pm | 5:02:32 am | 9:50:08 pm | 10h 36m 20s | 🌕 (100%) |
| Sat, Aug 29 | 6:17:02 am | 6:45:03 am | 8:07:01 pm | 8:35:01 pm | 13h 21m 58s | -2m -48s | 1:26:02 pm | 52.4° | 5:41:34 am | 9:10:29 pm | 5:04:02 am | 9:48:01 pm | 10h 39m 8s | 🌖 (99%) |
| Sun, Aug 30 | 6:18:12 am | 6:46:09 am | 8:05:18 pm | 8:33:14 pm | 13h 19m 9s | -2m -49s | 1:25:43 pm | 52° | 5:42:52 am | 9:08:34 pm | 5:05:32 am | 9:45:54 pm | 10h 41m 57s | 🌖 (95%) |
| Mon, Aug 31 | 6:19:22 am | 6:47:15 am | 8:03:34 pm | 8:31:27 pm | 13h 16m 19s | -2m -50s | 1:25:25 pm | 51.6° | 5:44:10 am | 9:06:39 pm | 5:07:02 am | 9:43:47 pm | 10h 44m 47s | 🌖 (90%) |
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Sunrise and Sunset photos in Rock Valley, IA
Enjoy this beautiful gallery of images of the sunset and sunrise at Rock Valley, IA. All images provided by our fantastic community of photographers!
Year distribution of sunrise and sunset times in Rock Valley, IA - 2026
The following graph shows sunrise and sunset times in Rock Valley, IA for every day of the year. There are two jumps in the graph that represent the hour change for Daylight Saving Time (DST) in Rock Valley, IA.
Daylight Dawn & dusk (civil twilight) Night Solar noon · Vertical steps in the curves = DST clock change
Earliest and latest sunrise and sunset in Rock Valley, IA
In Rock Valley, IA, the earliest sunrise of 2026 is on June 14 at 5:42 am, while the latest sunrise is on October 31 at 7:57 am. The earliest sunset is on December 8 at 4:51 pm, and the latest sunset is on June 26 at 9:10 pm.
Rock Valley, IA gets 6h 24m more daylight on the longest day than on the shortest one (15h 26m versus 9h 02m). Averaged over the whole year, a day lasts 12h 16m.
Places near Rock Valley, IA
These nearby towns and cities have almost the same sunrise and sunset times as Rock Valley, IA — the difference is only seconds to a couple of minutes. Select any place to see its own sun calendar:
Doon 10 kmHull 13 kmAlvord 15 kmHudson 15 kmInwood 16 kmFairview 16 kmSioux Center 17 kmBoyden 23 km