Sunrise and sunset times in Rio, IL
Check out today's and tomorrow's sunrise and sunset times in Rio, IL, United States, as well as the whole calendar for August 2026.
Today
August 20, 2026 . Current time: 11:47:16 am
First light at 5:47:29 am
Sunrise time: 6:15:08 am
Sunset time: 7:54:43 pm
Last light at 8:22:23 pm
Day length: 13 hours, 39 minutes
8 hours, 7 minutes left for today's sunset in Rio
Moon will rise on Aug 20 at 2:00 PM
Moon will set on Aug 20 at 10:47 PMMoon phase: 🌓 First Quarter (56%)🌕 Full moon: Aug 27 at 11:19 PM · 🌑 New moon: Sep 10 at 10:27 PMTomorrow
August 21, 2026
First light at 5:48:34 am
Sunrise time: 6:16:08 am
Sunset time: 7:53:13 pm
Last light at 8:20:48 pm
Day length: 13 hours, 37 minutes
Tomorrow will be 2 minutes shorter than today in Rio
Moon will rise on Aug 21 at 2:58 PM Moon will set on Aug 21 at 11:33 PMMoon phase: 🌔 Waxing Gibbous (69%)
- Rio, Illinois
- Latitude: 41.109203
- Longitude: -90.399849
- Time zone: Central Time CDT
Shortest day in Rio, IL
The shortest day of the year will be in 4 months, during the winter solstice on December 21, 2026, with a daylight length of 9 hours and 15 minutes.Longest day in Rio, IL
The longest day of the year was 2 months and 0 days ago, during the summer solstice on June 20, 2026, with a daylight length of 15 hours and 11 minutes.
August 2026 - Rio, Illinois - 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 Rio.
The day length shortens by 1 hour, 12 minutes over the course of August 2026 in Rio, IL - from 14 hours, 23 minutes on the first day to 13 hours, 11 minutes on the last day.
| Day | First Light | Sunrise | Sunset | Last Light | 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 | 5:26:48 am | 5:56:11 am | 8:19:42 pm | 8:49:04 pm | 14h 23m 31s | 14h 23m 31s | 1:07:56 pm | 59° | 4:48:35 am | 9:27:17 pm | 4:06:16 am | 10:09:37 pm | 9h 37m 27s | 🌖 (93%) |
| Sun, Aug 2 | 5:27:53 am | 5:57:09 am | 8:18:35 pm | 8:47:51 pm | 14h 21m 26s | -2m -5s | 1:07:52 pm | 58.7° | 4:49:50 am | 9:25:54 pm | 4:07:48 am | 10:07:56 pm | 9h 39m 33s | 🌖 (87%) |
| Mon, Aug 3 | 5:28:57 am | 5:58:08 am | 8:17:26 pm | 8:46:37 pm | 14h 19m 18s | -2m -8s | 1:07:47 pm | 58.5° | 4:51:05 am | 9:24:29 pm | 4:09:20 am | 10:06:14 pm | 9h 41m 41s | 🌖 (80%) |
| Tue, Aug 4 | 5:30:02 am | 5:59:07 am | 8:16:16 pm | 8:45:21 pm | 14h 17m 9s | -2m -9s | 1:07:42 pm | 58.2° | 4:52:20 am | 9:23:03 pm | 4:10:52 am | 10:04:31 pm | 9h 43m 50s | 🌖 (70%) |
| Wed, Aug 5 | 5:31:07 am | 6:00:06 am | 8:15:04 pm | 8:44:04 pm | 14h 14m 58s | -2m -11s | 1:07:35 pm | 57.9° | 4:53:35 am | 9:21:36 pm | 4:12:24 am | 10:02:47 pm | 9h 46m 2s | 🌖 (60%) |
| Thu, Aug 6 | 5:32:12 am | 6:01:06 am | 8:13:52 pm | 8:42:45 pm | 14h 12m 46s | -2m -12s | 1:07:29 pm | 57.6° | 4:54:50 am | 9:20:07 pm | 4:13:55 am | 10:01:02 pm | 9h 48m 14s | 🌗 (49%) |
| Fri, Aug 7 | 5:33:18 am | 6:02:06 am | 8:12:37 pm | 8:41:25 pm | 14h 10m 31s | -2m -15s | 1:07:21 pm | 57.4° | 4:56:06 am | 9:18:37 pm | 4:15:27 am | 9:59:16 pm | 9h 50m 28s | 🌘 (37%) |
| Sat, Aug 8 | 5:34:23 am | 6:03:05 am | 8:11:22 pm | 8:40:04 pm | 14h 8m 17s | -2m -14s | 1:07:14 pm | 57.1° | 4:57:21 am | 9:17:06 pm | 4:16:58 am | 9:57:29 pm | 9h 52m 43s | 🌘 (27%) |
| Sun, Aug 9 | 5:35:29 am | 6:04:05 am | 8:10:05 pm | 8:38:42 pm | 14h 6m 0s | -2m -17s | 1:07:05 pm | 56.8° | 4:58:37 am | 9:15:34 pm | 4:18:30 am | 9:55:41 pm | 9h 55m 0s | 🌘 (17%) |
| Mon, Aug 10 | 5:36:34 am | 6:05:05 am | 8:08:47 pm | 8:37:18 pm | 14h 3m 42s | -2m -18s | 1:06:56 pm | 56.5° | 4:59:52 am | 9:14:00 pm | 4:20:00 am | 9:53:52 pm | 9h 57m 18s | 🌘 (9%) |
| Tue, Aug 11 | 5:37:40 am | 6:06:05 am | 8:07:28 pm | 8:35:53 pm | 14h 1m 23s | -2m -19s | 1:06:46 pm | 56.2° | 5:01:07 am | 9:12:26 pm | 4:21:31 am | 9:52:02 pm | 9h 59m 38s | 🌘 (3%) |
| Wed, Aug 12 | 5:38:46 am | 6:07:06 am | 8:06:07 pm | 8:34:27 pm | 13h 59m 1s | -2m -22s | 1:06:36 pm | 55.9° | 5:02:22 am | 9:10:50 pm | 4:23:01 am | 9:50:11 pm | 10h 1m 59s | 🌘 (0%) |
| Thu, Aug 13 | 5:39:51 am | 6:08:06 am | 8:04:45 pm | 8:33:00 pm | 13h 56m 39s | -2m -22s | 1:06:26 pm | 55.6° | 5:03:37 am | 9:09:14 pm | 4:24:31 am | 9:48:20 pm | 10h 4m 21s | 🌑 (0%) |
| Fri, Aug 14 | 5:40:57 am | 6:09:06 am | 8:03:22 pm | 8:31:32 pm | 13h 54m 16s | -2m -23s | 1:06:14 pm | 55.3° | 5:04:52 am | 9:07:36 pm | 4:26:00 am | 9:46:28 pm | 10h 6m 44s | 🌒 (3%) |
| Sat, Aug 15 | 5:42:02 am | 6:10:06 am | 8:01:58 pm | 8:30:03 pm | 13h 51m 52s | -2m -24s | 1:06:02 pm | 55° | 5:06:07 am | 9:05:58 pm | 4:27:29 am | 9:44:35 pm | 10h 9m 9s | 🌒 (8%) |
| Sun, Aug 16 | 5:43:08 am | 6:11:07 am | 8:00:33 pm | 8:28:32 pm | 13h 49m 26s | -2m -26s | 1:05:50 pm | 54.7° | 5:07:22 am | 9:04:19 pm | 4:28:58 am | 9:42:42 pm | 10h 11m 34s | 🌒 (15%) |
| Mon, Aug 17 | 5:44:13 am | 6:12:07 am | 7:59:07 pm | 8:27:01 pm | 13h 47m 0s | -2m -26s | 1:05:37 pm | 54.3° | 5:08:36 am | 9:02:39 pm | 4:30:26 am | 9:40:48 pm | 10h 14m 0s | 🌒 (23%) |
| Tue, Aug 18 | 5:45:19 am | 6:13:07 am | 7:57:40 pm | 8:25:29 pm | 13h 44m 33s | -2m -27s | 1:05:24 pm | 54° | 5:09:50 am | 9:00:58 pm | 4:31:54 am | 9:38:54 pm | 10h 16m 28s | 🌒 (32%) |
| Wed, Aug 19 | 5:46:24 am | 6:14:08 am | 7:56:12 pm | 8:23:56 pm | 13h 42m 4s | -2m -29s | 1:05:10 pm | 53.7° | 5:11:04 am | 8:59:16 pm | 4:33:21 am | 9:37:00 pm | 10h 18m 56s | 🌒 (41%) |
| Thu, Aug 20 | 5:47:29 am | 6:15:08 am | 7:54:43 pm | 8:22:23 pm | 13h 39m 35s | -2m -29s | 1:04:56 pm | 53.4° | 5:12:17 am | 8:57:34 pm | 4:34:47 am | 9:35:04 pm | 10h 21m 25s | 🌓 (51%) |
| Fri, Aug 21 | 5:48:34 am | 6:16:08 am | 7:53:13 pm | 8:20:48 pm | 13h 37m 5s | -2m -30s | 1:04:41 pm | 53° | 5:13:30 am | 8:55:51 pm | 4:36:13 am | 9:33:09 pm | 10h 23m 56s | 🌔 (60%) |
| Sat, Aug 22 | 5:49:39 am | 6:17:09 am | 7:51:43 pm | 8:19:13 pm | 13h 34m 34s | -2m -31s | 1:04:26 pm | 52.7° | 5:14:43 am | 8:54:08 pm | 4:37:38 am | 9:31:13 pm | 10h 26m 26s | 🌔 (69%) |
| Sun, Aug 23 | 5:50:43 am | 6:18:09 am | 7:50:11 pm | 8:17:36 pm | 13h 32m 2s | -2m -32s | 1:04:10 pm | 52.4° | 5:15:56 am | 8:52:24 pm | 4:39:03 am | 9:29:17 pm | 10h 28m 58s | 🌔 (78%) |
| Mon, Aug 24 | 5:51:48 am | 6:19:09 am | 7:48:39 pm | 8:16:00 pm | 13h 29m 30s | -2m -32s | 1:03:54 pm | 52° | 5:17:08 am | 8:50:39 pm | 4:40:27 am | 9:27:20 pm | 10h 31m 30s | 🌔 (85%) |
| Tue, Aug 25 | 5:52:52 am | 6:20:09 am | 7:47:05 pm | 8:14:22 pm | 13h 26m 56s | -2m -34s | 1:03:37 pm | 51.7° | 5:18:20 am | 8:48:54 pm | 4:41:51 am | 9:25:24 pm | 10h 34m 4s | 🌔 (91%) |
| Wed, Aug 26 | 5:53:57 am | 6:21:09 am | 7:45:32 pm | 8:12:44 pm | 13h 24m 23s | -2m -33s | 1:03:20 pm | 51.3° | 5:19:32 am | 8:47:09 pm | 4:43:14 am | 9:23:27 pm | 10h 36m 37s | 🌔 (96%) |
| Thu, Aug 27 | 5:55:01 am | 6:22:09 am | 7:43:57 pm | 8:11:05 pm | 13h 21m 48s | -2m -35s | 1:03:03 pm | 51° | 5:20:43 am | 8:45:23 pm | 4:44:36 am | 9:21:30 pm | 10h 39m 12s | 🌔 (99%) |
| Fri, Aug 28 | 5:56:05 am | 6:23:09 am | 7:42:22 pm | 8:09:26 pm | 13h 19m 13s | -2m -35s | 1:02:45 pm | 50.6° | 5:21:54 am | 8:43:36 pm | 4:45:58 am | 9:19:32 pm | 10h 41m 47s | 🌕 (100%) |
| Sat, Aug 29 | 5:57:08 am | 6:24:09 am | 7:40:46 pm | 8:07:46 pm | 13h 16m 37s | -2m -36s | 1:02:27 pm | 50.3° | 5:23:05 am | 8:41:49 pm | 4:47:19 am | 9:17:35 pm | 10h 44m 23s | 🌖 (99%) |
| Sun, Aug 30 | 5:58:12 am | 6:25:09 am | 7:39:09 pm | 8:06:06 pm | 13h 14m 0s | -2m -37s | 1:02:09 pm | 49.9° | 5:24:15 am | 8:40:02 pm | 4:48:40 am | 9:15:38 pm | 10h 46m 59s | 🌖 (95%) |
| Mon, Aug 31 | 5:59:15 am | 6:26:08 am | 7:37:32 pm | 8:04:25 pm | 13h 11m 24s | -2m -36s | 1:01:50 pm | 49.5° | 5:25:25 am | 8:38:15 pm | 4:50:00 am | 9:13:40 pm | 10h 49m 36s | 🌖 (90%) |
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Sunrise and Sunset photos in Rio, IL
Enjoy this beautiful gallery of images of the sunset and sunrise at Rio, IL. All images provided by our fantastic community of photographers!
Year distribution of sunrise and sunset times in Rio, IL - 2026
The following graph shows sunrise and sunset times in Rio, IL for every day of the year. There are two jumps in the graph that represent the hour change for Daylight Saving Time (DST) in Rio, IL.
Daylight Dawn & dusk (civil twilight) Night Solar noon · Vertical steps in the curves = DST clock change
Earliest and latest sunrise and sunset in Rio, IL
In Rio, IL, the earliest sunrise of 2026 is on June 13 at 5:26 am, while the latest sunrise is on October 31 at 7:30 am. The earliest sunset is on December 8 at 4:34 pm, and the latest sunset is on June 27 at 8:39 pm.
Rio, IL gets 5h 55m more daylight on the longest day than on the shortest one (15h 11m versus 9h 15m). Averaged over the whole year, a day lasts 12h 15m.
Places near Rio, IL
These nearby towns and cities have almost the same sunrise and sunset times as Rio, IL — the difference is only seconds to a couple of minutes. Select any place to see its own sun calendar:
North Henderson 7 kmAlpha 9 kmHenderson 10 kmWoodhull 10 kmWataga 14 kmAlexis 14 kmOneida 15 kmGalesburg 18 km