Sunrise and sunset times in Big Rock, IL
Check out today's and tomorrow's sunrise and sunset times in Big Rock, IL, United States, as well as the whole calendar for August 2026.
Today
August 20, 2026 . Current time: 11:48:34 am
First light at 5:38:38 am
Sunrise time: 6:06:37 am
Sunset time: 7:48:25 pm
Last light at 8:16:24 pm
Day length: 13 hours, 41 minutes
7 hours, 59 minutes left for today's sunset in Big Rock
Moon will rise on Aug 20 at 2:55 PM
Moon will set on Aug 20 at 11:37 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 5:39:45 am
Sunrise time: 6:07:39 am
Sunset time: 7:46:53 pm
Last light at 8:14:47 pm
Day length: 13 hours, 39 minutes
Tomorrow will be 2 minutes shorter than today in Big Rock
Moon will rise on Aug 21 at 3:53 PM Moon will set on Aug 22 at 12:00 AMMoon phase: 🌔 Waxing Gibbous (69%)
- Big Rock, Illinois
- Latitude: 41.763920
- Longitude: -88.547020
- Time zone: Central Time CDT
Shortest day in Big Rock, 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 11 minutes.Longest day in Big Rock, IL
The longest day of the year was 1 month and 29 days ago, during the summer solstice on June 21, 2026, with a daylight length of 15 hours and 16 minutes.
August 2026 - Big Rock, 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 Big Rock.
The day length shortens by 1 hour, 13 minutes over the course of August 2026 in Big Rock, IL - from 14 hours, 26 minutes on the first day to 13 hours, 12 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 | 5:17:21 am | 5:47:07 am | 8:13:56 pm | 8:43:42 pm | 14h 26m 49s | 14h 26m 49s | 1:00:32 pm | 59.6° | 4:38:30 am | 9:22:33 pm | 3:55:15 am | 10:05:48 pm | 9h 34m 11s | 🌖 (93%) |
| Sun, Aug 2 | 5:18:27 am | 5:48:07 am | 8:12:47 pm | 8:42:28 pm | 14h 24m 40s | -2m -9s | 1:00:27 pm | 59.4° | 4:39:47 am | 9:21:07 pm | 3:56:51 am | 10:04:04 pm | 9h 36m 21s | 🌖 (87%) |
| Mon, Aug 3 | 5:19:34 am | 5:49:08 am | 8:11:37 pm | 8:41:11 pm | 14h 22m 29s | -2m -11s | 1:00:22 pm | 59.1° | 4:41:05 am | 9:19:40 pm | 3:58:26 am | 10:02:19 pm | 9h 38m 31s | 🌖 (80%) |
| Tue, Aug 4 | 5:20:40 am | 5:50:08 am | 8:10:25 pm | 8:39:54 pm | 14h 20m 17s | -2m -12s | 1:00:17 pm | 58.8° | 4:42:22 am | 9:18:11 pm | 4:00:02 am | 10:00:32 pm | 9h 40m 44s | 🌖 (70%) |
| Wed, Aug 5 | 5:21:47 am | 5:51:09 am | 8:09:12 pm | 8:38:34 pm | 14h 18m 3s | -2m -14s | 1:00:11 pm | 58.6° | 4:43:40 am | 9:16:42 pm | 4:01:37 am | 9:58:44 pm | 9h 42m 58s | 🌖 (60%) |
| Thu, Aug 6 | 5:22:54 am | 5:52:10 am | 8:07:58 pm | 8:37:14 pm | 14h 15m 48s | -2m -15s | 1:00:04 pm | 58.3° | 4:44:58 am | 9:15:10 pm | 4:03:13 am | 9:56:56 pm | 9h 45m 14s | 🌗 (49%) |
| Fri, Aug 7 | 5:24:02 am | 5:53:12 am | 8:06:42 pm | 8:35:52 pm | 14h 13m 30s | -2m -18s | 12:59:57 pm | 58° | 4:46:16 am | 9:13:38 pm | 4:04:48 am | 9:55:06 pm | 9h 47m 31s | 🌘 (37%) |
| Sat, Aug 8 | 5:25:09 am | 5:54:13 am | 8:05:25 pm | 8:34:29 pm | 14h 11m 12s | -2m -18s | 12:59:49 pm | 57.7° | 4:47:33 am | 9:12:04 pm | 4:06:23 am | 9:53:15 pm | 9h 49m 50s | 🌘 (27%) |
| Sun, Aug 9 | 5:26:16 am | 5:55:15 am | 8:04:06 pm | 8:33:05 pm | 14h 8m 51s | -2m -21s | 12:59:40 pm | 57.4° | 4:48:51 am | 9:10:30 pm | 4:07:57 am | 9:51:24 pm | 9h 52m 11s | 🌘 (17%) |
| Mon, Aug 10 | 5:27:24 am | 5:56:17 am | 8:02:46 pm | 8:31:39 pm | 14h 6m 29s | -2m -22s | 12:59:31 pm | 57.2° | 4:50:09 am | 9:08:54 pm | 4:09:32 am | 9:49:31 pm | 9h 54m 32s | 🌘 (9%) |
| Tue, Aug 11 | 5:28:32 am | 5:57:18 am | 8:01:25 pm | 8:30:12 pm | 14h 4m 7s | -2m -22s | 12:59:22 pm | 56.9° | 4:51:27 am | 9:07:17 pm | 4:11:06 am | 9:47:38 pm | 9h 56m 55s | 🌘 (3%) |
| Wed, Aug 12 | 5:29:39 am | 5:58:20 am | 8:00:03 pm | 8:28:44 pm | 14h 1m 43s | -2m -24s | 12:59:12 pm | 56.6° | 4:52:44 am | 9:05:39 pm | 4:12:39 am | 9:45:44 pm | 9h 59m 19s | 🌘 (0%) |
| Thu, Aug 13 | 5:30:47 am | 5:59:22 am | 7:58:40 pm | 8:27:15 pm | 13h 59m 18s | -2m -25s | 12:59:01 pm | 56.3° | 4:54:02 am | 9:04:00 pm | 4:14:12 am | 9:43:50 pm | 10h 1m 44s | 🌑 (0%) |
| Fri, Aug 14 | 5:31:54 am | 6:00:24 am | 7:57:15 pm | 8:25:45 pm | 13h 56m 51s | -2m -27s | 12:58:50 pm | 55.9° | 4:55:19 am | 9:02:20 pm | 4:15:45 am | 9:41:54 pm | 10h 4m 11s | 🌒 (3%) |
| Sat, Aug 15 | 5:33:02 am | 6:01:26 am | 7:55:49 pm | 8:24:14 pm | 13h 54m 23s | -2m -28s | 12:58:38 pm | 55.6° | 4:56:36 am | 9:00:39 pm | 4:17:17 am | 9:39:58 pm | 10h 6m 40s | 🌒 (8%) |
| Sun, Aug 16 | 5:34:09 am | 6:02:29 am | 7:54:22 pm | 8:22:42 pm | 13h 51m 53s | -2m -30s | 12:58:25 pm | 55.3° | 4:57:53 am | 8:58:58 pm | 4:18:49 am | 9:38:02 pm | 10h 9m 9s | 🌒 (15%) |
| Mon, Aug 17 | 5:35:17 am | 6:03:31 am | 7:52:55 pm | 8:21:09 pm | 13h 49m 24s | -2m -29s | 12:58:13 pm | 55° | 4:59:10 am | 8:57:15 pm | 4:20:20 am | 9:36:05 pm | 10h 11m 38s | 🌒 (23%) |
| Tue, Aug 18 | 5:36:24 am | 6:04:33 am | 7:51:26 pm | 8:19:34 pm | 13h 46m 53s | -2m -31s | 12:57:59 pm | 54.7° | 5:00:26 am | 8:55:32 pm | 4:21:51 am | 9:34:07 pm | 10h 14m 9s | 🌒 (32%) |
| Wed, Aug 19 | 5:37:31 am | 6:05:35 am | 7:49:56 pm | 8:18:00 pm | 13h 44m 21s | -2m -32s | 12:57:45 pm | 54.4° | 5:01:42 am | 8:53:48 pm | 4:23:21 am | 9:32:10 pm | 10h 16m 41s | 🌒 (41%) |
| Thu, Aug 20 | 5:38:38 am | 6:06:37 am | 7:48:25 pm | 8:16:24 pm | 13h 41m 48s | -2m -33s | 12:57:31 pm | 54° | 5:02:58 am | 8:52:04 pm | 4:24:51 am | 9:30:11 pm | 10h 19m 14s | 🌓 (51%) |
| Fri, Aug 21 | 5:39:45 am | 6:07:39 am | 7:46:53 pm | 8:14:47 pm | 13h 39m 14s | -2m -34s | 12:57:16 pm | 53.7° | 5:04:14 am | 8:50:19 pm | 4:26:20 am | 9:28:13 pm | 10h 21m 48s | 🌔 (60%) |
| Sat, Aug 22 | 5:40:52 am | 6:08:41 am | 7:45:21 pm | 8:13:10 pm | 13h 36m 40s | -2m -34s | 12:57:01 pm | 53.4° | 5:05:29 am | 8:48:33 pm | 4:27:48 am | 9:26:14 pm | 10h 24m 22s | 🌔 (69%) |
| Sun, Aug 23 | 5:41:59 am | 6:09:43 am | 7:43:47 pm | 8:11:32 pm | 13h 34m 4s | -2m -36s | 12:56:45 pm | 53° | 5:06:44 am | 8:46:46 pm | 4:29:16 am | 9:24:14 pm | 10h 26m 58s | 🌔 (78%) |
| Mon, Aug 24 | 5:43:05 am | 6:10:45 am | 7:42:13 pm | 8:09:53 pm | 13h 31m 28s | -2m -36s | 12:56:29 pm | 52.7° | 5:07:59 am | 8:44:59 pm | 4:30:43 am | 9:22:15 pm | 10h 29m 34s | 🌔 (85%) |
| Tue, Aug 25 | 5:44:12 am | 6:11:47 am | 7:40:38 pm | 8:08:13 pm | 13h 28m 51s | -2m -37s | 12:56:13 pm | 52.3° | 5:09:13 am | 8:43:12 pm | 4:32:10 am | 9:20:15 pm | 10h 32m 11s | 🌔 (91%) |
| Wed, Aug 26 | 5:45:18 am | 6:12:49 am | 7:39:02 pm | 8:06:33 pm | 13h 26m 13s | -2m -38s | 12:55:56 pm | 52° | 5:10:27 am | 8:41:24 pm | 4:33:36 am | 9:18:15 pm | 10h 34m 49s | 🌔 (96%) |
| Thu, Aug 27 | 5:46:24 am | 6:13:51 am | 7:37:26 pm | 8:04:52 pm | 13h 23m 35s | -2m -38s | 12:55:38 pm | 51.6° | 5:11:41 am | 8:39:36 pm | 4:35:01 am | 9:16:15 pm | 10h 37m 27s | 🌔 (99%) |
| Fri, Aug 28 | 5:47:30 am | 6:14:53 am | 7:35:49 pm | 8:03:11 pm | 13h 20m 56s | -2m -39s | 12:55:21 pm | 51.3° | 5:12:54 am | 8:37:47 pm | 4:36:26 am | 9:14:15 pm | 10h 40m 5s | 🌕 (100%) |
| Sat, Aug 29 | 5:48:36 am | 6:15:54 am | 7:34:11 pm | 8:01:29 pm | 13h 18m 17s | -2m -39s | 12:55:03 pm | 50.9° | 5:14:07 am | 8:35:58 pm | 4:37:50 am | 9:12:15 pm | 10h 42m 45s | 🌖 (99%) |
| Sun, Aug 30 | 5:49:42 am | 6:16:56 am | 7:32:32 pm | 7:59:47 pm | 13h 15m 36s | -2m -41s | 12:54:44 pm | 50.6° | 5:15:20 am | 8:34:08 pm | 4:39:13 am | 9:10:15 pm | 10h 45m 26s | 🌖 (95%) |
| Mon, Aug 31 | 5:50:47 am | 6:17:58 am | 7:30:53 pm | 7:58:04 pm | 13h 12m 55s | -2m -41s | 12:54:25 pm | 50.2° | 5:16:32 am | 8:32:19 pm | 4:40:36 am | 9:08:15 pm | 10h 48m 6s | 🌖 (90%) |
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Sunrise and Sunset photos in Big Rock, IL
Enjoy this beautiful gallery of images of the sunset and sunrise at Big Rock, IL. All images provided by our fantastic community of photographers!
Year distribution of sunrise and sunset times in Big Rock, IL - 2026
The following graph shows sunrise and sunset times in Big Rock, 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 Big Rock, IL.
Daylight Dawn & dusk (civil twilight) Night Solar noon · Vertical steps in the curves = DST clock change
Earliest and latest sunrise and sunset in Big Rock, IL
In Big Rock, IL, the earliest sunrise of 2026 is on June 14 at 5:17 am, while the latest sunrise is on October 31 at 7:24 am. The earliest sunset is on December 8 at 4:25 pm, and the latest sunset is on June 27 at 8:34 pm.
Big Rock, IL gets 6h 04m more daylight on the longest day than on the shortest one (15h 16m versus 9h 11m). Averaged over the whole year, a day lasts 12h 15m.
Places near Big Rock, IL
These nearby towns and cities have almost the same sunrise and sunset times as Big Rock, IL — the difference is only seconds to a couple of minutes. Select any place to see its own sun calendar:
Hinckley 8 kmKaneville 8 kmSugar Grove 9 kmPlano 11 kmSandwich 14 kmElburn 16 kmYorkville 16 kmMaple Park 17 km