Sunrise and sunset times in Boulder, UT
Check out today's and tomorrow's sunrise and sunset times in Boulder, UT, United States, as well as the whole calendar for August 2026.
Today
August 1, 2026 . Current time: 3:30:00 pm
First light at 6:00:10 am
Sunrise time: 6:27:51 am
Sunset time: 8:36:14 pm
Last light at 9:03:54 pm
Day length: 14 hours, 8 minutes
5 hours, 6 minutes left for today's sunset in Boulder
Moon set on Aug 1 at 8:28 AM
Moon will rise on Aug 1 at 9:13 PMMoon phase: 🌖 Waning Gibbous (89%)🌑 New moon: Aug 12 at 11:37 AM · 🌕 Full moon: Aug 27 at 10:19 PMTomorrow
August 2, 2026
First light at 6:01:07 am
Sunrise time: 6:28:42 am
Sunset time: 8:35:14 pm
Last light at 9:02:49 pm
Day length: 14 hours, 6 minutes
Tomorrow will be 1 minute shorter than today in Boulder
Moon will set on Aug 2 at 9:32 AM Moon will rise on Aug 2 at 9:37 PMMoon phase: 🌖 Waning Gibbous (79%)
- Boulder, Utah
- Latitude: 37.924442
- Longitude: -111.426109
- Time zone: Mountain Time MDT
Shortest day in Boulder, UT
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 34 minutes.Longest day in Boulder, UT
The longest day of the year was 1 month and 11 days ago, during the summer solstice on June 20, 2026, with a daylight length of 14 hours and 50 minutes.
August 2026 - Boulder, Utah - 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 Boulder.
The day length shortens by 1 hour, 4 minutes over the course of August 2026 in Boulder, UT - from 14 hours, 8 minutes on the first day to 13 hours, 4 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 | 6:00:10 am | 6:27:51 am | 8:36:14 pm | 9:03:54 pm | 14h 8m 23s | 14h 8m 23s | 1:32:02 pm | 55.8° | 5:24:35 am | 9:39:29 pm | 4:46:04 am | 10:18:01 pm | 9h 52m 28s | 🌖 (93%) |
| Sun, Aug 2 | 6:01:07 am | 6:28:42 am | 8:35:14 pm | 9:02:49 pm | 14h 6m 32s | -1m -51s | 1:31:58 pm | 55.5° | 5:25:40 am | 9:38:16 pm | 4:47:21 am | 10:16:35 pm | 9h 54m 19s | 🌖 (87%) |
| Mon, Aug 3 | 6:02:03 am | 6:29:33 am | 8:34:13 pm | 9:01:43 pm | 14h 4m 40s | -1m -52s | 1:31:53 pm | 55.3° | 5:26:44 am | 9:37:02 pm | 4:48:38 am | 10:15:08 pm | 9h 56m 12s | 🌖 (79%) |
| Tue, Aug 4 | 6:02:59 am | 6:30:25 am | 8:33:10 pm | 9:00:36 pm | 14h 2m 45s | -1m -55s | 1:31:48 pm | 55° | 5:27:49 am | 9:35:46 pm | 4:49:55 am | 10:13:40 pm | 9h 58m 7s | 🌖 (70%) |
| Wed, Aug 5 | 6:03:56 am | 6:31:17 am | 8:32:06 pm | 8:59:27 pm | 14h 0m 49s | -1m -56s | 1:31:41 pm | 54.7° | 5:28:54 am | 9:34:29 pm | 4:51:12 am | 10:12:11 pm | 10h 0m 3s | 🌖 (59%) |
| Thu, Aug 6 | 6:04:53 am | 6:32:09 am | 8:31:01 pm | 8:58:17 pm | 13h 58m 52s | -1m -57s | 1:31:35 pm | 54.4° | 5:29:58 am | 9:33:11 pm | 4:52:29 am | 10:10:40 pm | 10h 2m 0s | 🌗 (48%) |
| Fri, Aug 7 | 6:05:49 am | 6:33:01 am | 8:29:54 pm | 8:57:05 pm | 13h 56m 53s | -1m -59s | 1:31:27 pm | 54.2° | 5:31:03 am | 9:31:51 pm | 4:53:46 am | 10:09:08 pm | 10h 3m 59s | 🌘 (37%) |
| Sat, Aug 8 | 6:06:46 am | 6:33:53 am | 8:28:46 pm | 8:55:53 pm | 13h 54m 53s | -2m 0s | 1:31:19 pm | 53.9° | 5:32:08 am | 9:30:31 pm | 4:55:03 am | 10:07:36 pm | 10h 5m 59s | 🌘 (26%) |
| Sun, Aug 9 | 6:07:43 am | 6:34:45 am | 8:27:37 pm | 8:54:39 pm | 13h 52m 52s | -2m -1s | 1:31:11 pm | 53.6° | 5:33:13 am | 9:29:09 pm | 4:56:20 am | 10:06:02 pm | 10h 8m 0s | 🌘 (17%) |
| Mon, Aug 10 | 6:08:40 am | 6:35:37 am | 8:26:26 pm | 8:53:24 pm | 13h 50m 49s | -2m -3s | 1:31:02 pm | 53.3° | 5:34:18 am | 9:27:46 pm | 4:57:36 am | 10:04:27 pm | 10h 10m 3s | 🌘 (9%) |
| Tue, Aug 11 | 6:09:37 am | 6:36:29 am | 8:25:15 pm | 8:52:08 pm | 13h 48m 46s | -2m -3s | 1:30:52 pm | 53° | 5:35:22 am | 9:26:22 pm | 4:58:52 am | 10:02:52 pm | 10h 12m 7s | 🌘 (3%) |
| Wed, Aug 12 | 6:10:34 am | 6:37:22 am | 8:24:02 pm | 8:50:50 pm | 13h 46m 40s | -2m -6s | 1:30:42 pm | 52.7° | 5:36:27 am | 9:24:57 pm | 5:00:08 am | 10:01:15 pm | 10h 14m 12s | 🌑 (0%) |
| Thu, Aug 13 | 6:11:30 am | 6:38:14 am | 8:22:48 pm | 8:49:32 pm | 13h 44m 34s | -2m -6s | 1:30:31 pm | 52.4° | 5:37:31 am | 9:23:31 pm | 5:01:24 am | 9:59:38 pm | 10h 16m 18s | 🌑 (0%) |
| Fri, Aug 14 | 6:12:27 am | 6:39:06 am | 8:21:34 pm | 8:48:13 pm | 13h 42m 28s | -2m -6s | 1:30:20 pm | 52.1° | 5:38:35 am | 9:22:04 pm | 5:02:40 am | 9:58:00 pm | 10h 18m 24s | 🌒 (3%) |
| Sat, Aug 15 | 6:13:24 am | 6:39:58 am | 8:20:18 pm | 8:46:52 pm | 13h 40m 20s | -2m -8s | 1:30:08 pm | 51.8° | 5:39:39 am | 9:20:37 pm | 5:03:55 am | 9:56:22 pm | 10h 20m 33s | 🌒 (8%) |
| Sun, Aug 16 | 6:14:20 am | 6:40:51 am | 8:19:01 pm | 8:45:31 pm | 13h 38m 10s | -2m -10s | 1:29:56 pm | 51.5° | 5:40:43 am | 9:19:08 pm | 5:05:09 am | 9:54:42 pm | 10h 22m 42s | 🌒 (15%) |
| Mon, Aug 17 | 6:15:17 am | 6:41:43 am | 8:17:43 pm | 8:44:09 pm | 13h 36m 0s | -2m -10s | 1:29:43 pm | 51.1° | 5:41:47 am | 9:17:39 pm | 5:06:23 am | 9:53:02 pm | 10h 24m 52s | 🌒 (23%) |
| Tue, Aug 18 | 6:16:13 am | 6:42:35 am | 8:16:24 pm | 8:42:46 pm | 13h 33m 49s | -2m -11s | 1:29:29 pm | 50.8° | 5:42:50 am | 9:16:09 pm | 5:07:37 am | 9:51:21 pm | 10h 27m 3s | 🌒 (32%) |
| Wed, Aug 19 | 6:17:09 am | 6:43:27 am | 8:15:04 pm | 8:41:22 pm | 13h 31m 37s | -2m -12s | 1:29:16 pm | 50.5° | 5:43:53 am | 9:14:38 pm | 5:08:51 am | 9:49:40 pm | 10h 29m 15s | 🌒 (42%) |
| Thu, Aug 20 | 6:18:05 am | 6:44:19 am | 8:13:43 pm | 8:39:57 pm | 13h 29m 24s | -2m -13s | 1:29:01 pm | 50.2° | 5:44:56 am | 9:13:06 pm | 5:10:04 am | 9:47:58 pm | 10h 31m 28s | 🌓 (51%) |
| Fri, Aug 21 | 6:19:01 am | 6:45:11 am | 8:12:22 pm | 8:38:31 pm | 13h 27m 11s | -2m -13s | 1:28:46 pm | 49.8° | 5:45:59 am | 9:11:34 pm | 5:11:16 am | 9:46:16 pm | 10h 33m 41s | 🌔 (61%) |
| Sat, Aug 22 | 6:19:57 am | 6:46:03 am | 8:10:59 pm | 8:37:05 pm | 13h 24m 56s | -2m -15s | 1:28:31 pm | 49.5° | 5:47:01 am | 9:10:01 pm | 5:12:29 am | 9:44:33 pm | 10h 35m 56s | 🌔 (70%) |
| Sun, Aug 23 | 6:20:53 am | 6:46:55 am | 8:09:36 pm | 8:35:38 pm | 13h 22m 41s | -2m -15s | 1:28:15 pm | 49.2° | 5:48:04 am | 9:08:27 pm | 5:13:40 am | 9:42:50 pm | 10h 38m 10s | 🌔 (78%) |
| Mon, Aug 24 | 6:21:48 am | 6:47:46 am | 8:08:12 pm | 8:34:10 pm | 13h 20m 26s | -2m -15s | 1:27:59 pm | 48.8° | 5:49:05 am | 9:06:53 pm | 5:14:51 am | 9:41:07 pm | 10h 40m 26s | 🌔 (85%) |
| Tue, Aug 25 | 6:22:43 am | 6:48:38 am | 8:06:47 pm | 8:32:42 pm | 13h 18m 9s | -2m -17s | 1:27:43 pm | 48.5° | 5:50:07 am | 9:05:18 pm | 5:16:02 am | 9:39:23 pm | 10h 42m 43s | 🌔 (92%) |
| Wed, Aug 26 | 6:23:39 am | 6:49:30 am | 8:05:21 pm | 8:31:13 pm | 13h 15m 51s | -2m -18s | 1:27:26 pm | 48.1° | 5:51:08 am | 9:03:43 pm | 5:17:12 am | 9:37:39 pm | 10h 45m 0s | 🌔 (96%) |
| Thu, Aug 27 | 6:24:34 am | 6:50:21 am | 8:03:55 pm | 8:29:43 pm | 13h 13m 34s | -2m -17s | 1:27:08 pm | 47.8° | 5:52:09 am | 9:02:07 pm | 5:18:22 am | 9:35:55 pm | 10h 47m 18s | 🌔 (99%) |
| Fri, Aug 28 | 6:25:28 am | 6:51:13 am | 8:02:28 pm | 8:28:13 pm | 13h 11m 15s | -2m -19s | 1:26:50 pm | 47.4° | 5:53:10 am | 9:00:31 pm | 5:19:31 am | 9:34:10 pm | 10h 49m 36s | 🌕 (100%) |
| Sat, Aug 29 | 6:26:23 am | 6:52:04 am | 8:01:01 pm | 8:26:42 pm | 13h 8m 57s | -2m -18s | 1:26:32 pm | 47.1° | 5:54:10 am | 8:58:55 pm | 5:20:40 am | 9:32:25 pm | 10h 51m 54s | 🌖 (99%) |
| Sun, Aug 30 | 6:27:17 am | 6:52:55 am | 7:59:33 pm | 8:25:10 pm | 13h 6m 38s | -2m -19s | 1:26:14 pm | 46.7° | 5:55:10 am | 8:57:18 pm | 5:21:48 am | 9:30:40 pm | 10h 54m 13s | 🌖 (95%) |
| Mon, Aug 31 | 6:28:12 am | 6:53:46 am | 7:58:04 pm | 8:23:39 pm | 13h 4m 18s | -2m -20s | 1:25:55 pm | 46.3° | 5:56:10 am | 8:55:41 pm | 5:22:56 am | 9:28:55 pm | 10h 56m 34s | 🌖 (90%) |
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Sunrise and Sunset photos in Boulder, UT
Enjoy this beautiful gallery of images of the sunset and sunrise at Boulder, UT. All images provided by our fantastic community of photographers!
Year distribution of sunrise and sunset times in Boulder, UT - 2026
The following graph shows sunrise and sunset times in Boulder, UT 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, UT.
Daylight Dawn & dusk (civil twilight) Night Solar noon · Vertical steps in the curves = DST clock change
Earliest and latest sunrise and sunset in Boulder, UT
In Boulder, UT, the earliest sunrise of 2026 is on June 13 at 6:01 am, while the latest sunrise is on October 31 at 7:49 am. The earliest sunset is on December 6 at 5:07 pm, and the latest sunset is on June 28 at 8:53 pm.
Boulder, UT gets 5h 15m more daylight on the longest day than on the shortest one (14h 50m versus 9h 34m). Averaged over the whole year, a day lasts 12h 14m.
Places near Boulder, UT
These nearby towns and cities have almost the same sunrise and sunset times as Boulder, UT — the difference is only seconds to a couple of minutes. Select any place to see its own sun calendar:
Escalante 23 kmCapitol Reef National Park 31 kmTeasdale 40 kmTorrey 42 kmBicknell 47 kmLyman 54 kmAntimony 55 kmLoa 56 km