Sunrise and sunset times in Boulder, IL
Check out today's and tomorrow's sunrise and sunset times in Boulder, IL, United States, as well as the whole calendar for May 2026.
Today
May 10, 2026 . Current time: 2:25:00 pm
First light at 5:19:40 am
Sunrise time: 5:47:41 am
Sunset time: 7:58:55 pm
Last light at 8:26:56 pm
Day length: 14 hours, 11 minutes
5 hours, 33 minutes left for today's sunset in Boulder
Moon set on May 10 at 01:14 PM
Moon will rise on May 11 at 02:46 AMMoon phase: 🌘 Waning Crescent (41%)Tomorrow
May 11, 2026
First light at 5:18:36 am
Sunrise time: 5:46:42 am
Sunset time: 7:59:51 pm
Last light at 8:27:57 pm
Day length: 14 hours, 13 minutes
Tomorrow will be approximately 2 minutes longer than today in Boulder
Moon will rise on May 11 at 02:46 AM Moon will set on May 11 at 02:19 PMMoon phase: 🌘 Waning Crescent (27%)
- Boulder, Illinois
- Latitude: 38.696667
- Longitude: -89.225555
- Time zone: Central Time CDT
Shortest day in Boulder, IL
The shortest day of the year will be in 8 months, during the winter solstice on December 21, 2026, with a daylight length of 9 hours and 30 minutes.Longest day in Boulder, IL
The longest day of the year will be in 1 month and 10 days, during the summer solstice on June 21, 2026, with a daylight length of 14 hours and 55 minutes.
May 2026 - Boulder, 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 May in Boulder.
The day length increases by 51 minutes over the course of May 2026 in Boulder, IL - from 13 hours, 52 minutes on the first day to 14 hours, 43 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fri, May 1 | 5:30:17 am | 5:57:32 am | 7:50:24 pm | 8:17:40 pm | 13h 52m 52s | 13h 52m 52s | 12:53:58 pm | 53.9° | 4:55:27 am | 8:52:29 pm | 4:18:10 am | 9:29:47 pm | 10h 5m 58s | 🌕 (100%) |
| Sat, May 2 | 5:29:01 am | 5:56:22 am | 7:51:21 pm | 8:18:42 pm | 13h 54m 59s | 2m 7s | 12:53:52 pm | 54.2° | 4:54:03 am | 8:53:40 pm | 4:16:33 am | 9:31:10 pm | 10h 3m 51s | 🌖 (100%) |
| Sun, May 3 | 5:27:47 am | 5:55:12 am | 7:52:19 pm | 8:19:44 pm | 13h 57m 7s | 2m 8s | 12:53:45 pm | 54.5° | 4:52:40 am | 8:54:51 pm | 4:14:57 am | 9:32:33 pm | 10h 1m 45s | 🌖 (98%) |
| Mon, May 4 | 5:26:33 am | 5:54:04 am | 7:53:16 pm | 8:20:46 pm | 13h 59m 12s | 2m 5s | 12:53:40 pm | 54.8° | 4:51:18 am | 8:56:01 pm | 4:13:23 am | 9:33:57 pm | 9h 59m 41s | 🌖 (94%) |
| Tue, May 5 | 5:25:21 am | 5:52:57 am | 7:54:13 pm | 8:21:48 pm | 14h 1m 16s | 2m 4s | 12:53:35 pm | 55.1° | 4:49:58 am | 8:57:12 pm | 4:11:49 am | 9:35:21 pm | 9h 57m 38s | 🌖 (89%) |
| Wed, May 6 | 5:24:10 am | 5:51:51 am | 7:55:10 pm | 8:22:50 pm | 14h 3m 19s | 2m 3s | 12:53:30 pm | 55.4° | 4:48:38 am | 8:58:23 pm | 4:10:16 am | 9:36:44 pm | 9h 55m 36s | 🌖 (83%) |
| Thu, May 7 | 5:23:01 am | 5:50:46 am | 7:56:07 pm | 8:23:52 pm | 14h 5m 21s | 2m 2s | 12:53:26 pm | 55.7° | 4:47:20 am | 8:59:33 pm | 4:08:45 am | 9:38:08 pm | 9h 53m 36s | 🌖 (75%) |
| Fri, May 8 | 5:21:53 am | 5:49:43 am | 7:57:03 pm | 8:24:54 pm | 14h 7m 20s | 1m 59s | 12:53:23 pm | 55.9° | 4:46:03 am | 9:00:43 pm | 4:07:15 am | 9:39:32 pm | 9h 51m 39s | 🌖 (66%) |
| Sat, May 9 | 5:20:46 am | 5:48:42 am | 7:57:59 pm | 8:25:55 pm | 14h 9m 17s | 1m 57s | 12:53:20 pm | 56.2° | 4:44:47 am | 9:01:53 pm | 4:05:45 am | 9:40:55 pm | 9h 49m 42s | 🌖 (57%) |
| Sun, May 10 | 5:19:40 am | 5:47:41 am | 7:58:55 pm | 8:26:56 pm | 14h 11m 14s | 1m 57s | 12:53:18 pm | 56.5° | 4:43:33 am | 9:03:03 pm | 4:04:17 am | 9:42:19 pm | 9h 47m 47s | 🌗 (47%) |
| Mon, May 11 | 5:18:36 am | 5:46:42 am | 7:59:51 pm | 8:27:57 pm | 14h 13m 9s | 1m 55s | 12:53:17 pm | 56.7° | 4:42:20 am | 9:04:13 pm | 4:02:51 am | 9:43:42 pm | 9h 45m 54s | 🌘 (37%) |
| Tue, May 12 | 5:17:34 am | 5:45:45 am | 8:00:46 pm | 8:28:58 pm | 14h 15m 1s | 1m 52s | 12:53:16 pm | 57° | 4:41:09 am | 9:05:22 pm | 4:01:26 am | 9:45:05 pm | 9h 44m 3s | 🌘 (27%) |
| Wed, May 13 | 5:16:33 am | 5:44:49 am | 8:01:41 pm | 8:29:58 pm | 14h 16m 52s | 1m 51s | 12:53:15 pm | 57.2° | 4:39:59 am | 9:06:31 pm | 4:00:02 am | 9:46:28 pm | 9h 42m 13s | 🌘 (18%) |
| Thu, May 14 | 5:15:33 am | 5:43:54 am | 8:02:36 pm | 8:30:57 pm | 14h 18m 42s | 1m 50s | 12:53:15 pm | 57.5° | 4:38:51 am | 9:07:40 pm | 3:58:40 am | 9:47:51 pm | 9h 40m 26s | 🌘 (10%) |
| Fri, May 15 | 5:14:35 am | 5:43:02 am | 8:03:30 pm | 8:31:57 pm | 14h 20m 28s | 1m 46s | 12:53:16 pm | 57.7° | 4:37:44 am | 9:08:48 pm | 3:57:19 am | 9:49:13 pm | 9h 38m 40s | 🌘 (4%) |
| Sat, May 16 | 5:13:39 am | 5:42:10 am | 8:04:24 pm | 8:32:56 pm | 14h 22m 14s | 1m 46s | 12:53:17 pm | 57.9° | 4:36:39 am | 9:09:55 pm | 3:56:00 am | 9:50:34 pm | 9h 36m 57s | 🌘 (1%) |
| Sun, May 17 | 5:12:44 am | 5:41:21 am | 8:05:17 pm | 8:33:54 pm | 14h 23m 56s | 1m 42s | 12:53:19 pm | 58.1° | 4:35:36 am | 9:11:02 pm | 3:54:42 am | 9:51:55 pm | 9h 35m 15s | 🌑 (0%) |
| Mon, May 18 | 5:11:51 am | 5:40:32 am | 8:06:10 pm | 8:34:52 pm | 14h 25m 38s | 1m 42s | 12:53:21 pm | 58.4° | 4:34:34 am | 9:12:09 pm | 3:53:27 am | 9:53:16 pm | 9h 33m 36s | 🌒 (3%) |
| Tue, May 19 | 5:10:59 am | 5:39:46 am | 8:07:03 pm | 8:35:49 pm | 14h 27m 17s | 1m 39s | 12:53:24 pm | 58.6° | 4:33:34 am | 9:13:15 pm | 3:52:13 am | 9:54:36 pm | 9h 31m 58s | 🌒 (8%) |
| Wed, May 20 | 5:10:09 am | 5:39:01 am | 8:07:54 pm | 8:36:46 pm | 14h 28m 53s | 1m 36s | 12:53:28 pm | 58.8° | 4:32:35 am | 9:14:20 pm | 3:51:01 am | 9:55:55 pm | 9h 30m 24s | 🌒 (16%) |
| Thu, May 21 | 5:09:21 am | 5:38:18 am | 8:08:45 pm | 8:37:42 pm | 14h 30m 27s | 1m 34s | 12:53:32 pm | 59° | 4:31:39 am | 9:15:24 pm | 3:49:51 am | 9:57:13 pm | 9h 28m 51s | 🌒 (26%) |
| Fri, May 22 | 5:08:35 am | 5:37:36 am | 8:09:36 pm | 8:38:37 pm | 14h 32m 0s | 1m 33s | 12:53:36 pm | 59.2° | 4:30:44 am | 9:16:28 pm | 3:48:42 am | 9:58:30 pm | 9h 27m 21s | 🌒 (36%) |
| Sat, May 23 | 5:07:51 am | 5:36:57 am | 8:10:26 pm | 8:39:32 pm | 14h 33m 29s | 1m 29s | 12:53:41 pm | 59.4° | 4:29:52 am | 9:17:31 pm | 3:47:36 am | 9:59:46 pm | 9h 25m 53s | 🌓 (47%) |
| Sun, May 24 | 5:07:08 am | 5:36:19 am | 8:11:15 pm | 8:40:25 pm | 14h 34m 56s | 1m 27s | 12:53:47 pm | 59.6° | 4:29:01 am | 9:18:32 pm | 3:46:32 am | 10:01:01 pm | 9h 24m 27s | 🌔 (58%) |
| Mon, May 25 | 5:06:27 am | 5:35:42 am | 8:12:03 pm | 8:41:18 pm | 14h 36m 21s | 1m 25s | 12:53:53 pm | 59.7° | 4:28:12 am | 9:19:33 pm | 3:45:30 am | 10:02:15 pm | 9h 23m 5s | 🌔 (68%) |
| Tue, May 26 | 5:05:48 am | 5:35:08 am | 8:12:51 pm | 8:42:10 pm | 14h 37m 43s | 1m 22s | 12:53:59 pm | 59.9° | 4:27:26 am | 9:20:33 pm | 3:44:30 am | 10:03:28 pm | 9h 21m 44s | 🌔 (77%) |
| Wed, May 27 | 5:05:11 am | 5:34:35 am | 8:13:37 pm | 8:43:01 pm | 14h 39m 2s | 1m 19s | 12:54:06 pm | 60.1° | 4:26:41 am | 9:21:32 pm | 3:43:33 am | 10:04:40 pm | 9h 20m 27s | 🌔 (85%) |
| Thu, May 28 | 5:04:36 am | 5:34:04 am | 8:14:23 pm | 8:43:51 pm | 14h 40m 19s | 1m 17s | 12:54:14 pm | 60.2° | 4:25:58 am | 9:22:29 pm | 3:42:38 am | 10:05:50 pm | 9h 19m 12s | 🌔 (91%) |
| Fri, May 29 | 5:04:03 am | 5:33:35 am | 8:15:08 pm | 8:44:40 pm | 14h 41m 33s | 1m 14s | 12:54:22 pm | 60.4° | 4:25:18 am | 9:23:25 pm | 3:41:45 am | 10:06:58 pm | 9h 18m 0s | 🌔 (96%) |
| Sat, May 30 | 5:03:32 am | 5:33:08 am | 8:15:52 pm | 8:45:28 pm | 14h 42m 44s | 1m 11s | 12:54:30 pm | 60.5° | 4:24:40 am | 9:24:20 pm | 3:40:54 am | 10:08:06 pm | 9h 16m 51s | 🌔 (99%) |
| Sun, May 31 | 5:03:03 am | 5:32:43 am | 8:16:35 pm | 8:46:15 pm | 14h 43m 52s | 1m 8s | 12:54:39 pm | 60.7° | 4:24:03 am | 9:25:14 pm | 3:40:07 am | 10:09:11 pm | 9h 15m 44s | 🌕 (100%) |
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Sunrise and Sunset photos in Boulder, IL
Enjoy this beautiful gallery of images of the sunset and sunrise at Boulder, IL. All images provided by our fantastic community of photographers!
Year distribution of sunrise and sunset times in Boulder, IL - 2026
The followin graph shows sunrise and sunset times in Boulder, 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 Boulder, IL.