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 February 2026.
Today
February 18, 2026 . Current time: 5:32:47 pm
First light at 6:44:38 am
Sunrise time: 7:09:59 am
Sunset time: 6:09:07 pm
Last light at 6:34:29 pm
Day length: 10 hours, 59 minutes
36 minutes left for today's sunset in Boulder
Moon rose on Feb 18 at 07:50 AM
Moon will set on Feb 18 at 07:43 PMMoon phase: 🌒 Waxing Crescent (3%)Tomorrow
February 19, 2026
First light at 6:43:25 am
Sunrise time: 7:08:44 am
Sunset time: 6:10:11 pm
Last light at 6:35:30 pm
Day length: 11 hours, 1 minute
Tomorrow will be approximately 2 minutes longer than today in Boulder
Moon will rise on Feb 19 at 08:14 AM Moon will set on Feb 19 at 08:51 PMMoon phase: 🌒 Waxing Crescent (9%)
- Boulder, Utah
- Latitude: 37.924442
- Longitude: -111.426109
- Time zone: Mountain Time MST
Shortest day in Boulder, UT
The shortest day of the year will be in 10 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 will be in around 4 months, during the summer solstice on June 20, 2026, with a daylight length of 14 hours and 50 minutes.
February 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 February in Boulder.
The day length increases by 1 hour, 0 minutes over the course of February 2026 in Boulder, UT - from 10 hours, 22 minutes on the first day to 11 hours, 22 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sun, Feb 1 | 7:01:55 am | 7:28:09 am | 5:50:26 pm | 6:16:40 pm | 10h 22m 17s | 10h 22m 17s | 12:39:17 pm | 21° | 6:30:29 am | 6:48:06 pm | 5:59:35 am | 7:19:00 pm | 13h 36m 50s | 🌔 (99%) |
| Mon, Feb 2 | 7:01:06 am | 7:27:16 am | 5:51:33 pm | 6:17:43 pm | 10h 24m 17s | 2m 0s | 12:39:25 pm | 21.3° | 6:29:43 am | 6:49:07 pm | 5:58:51 am | 7:19:58 pm | 13h 34m 49s | 🌖 (100%) |
| Tue, Feb 3 | 7:00:15 am | 7:26:22 am | 5:52:40 pm | 6:18:47 pm | 10h 26m 18s | 2m 1s | 12:39:31 pm | 21.6° | 6:28:55 am | 6:50:07 pm | 5:58:05 am | 7:20:57 pm | 13h 32m 46s | 🌖 (98%) |
| Wed, Feb 4 | 6:59:22 am | 7:25:26 am | 5:53:47 pm | 6:19:51 pm | 10h 28m 21s | 2m 3s | 12:39:37 pm | 21.9° | 6:28:05 am | 6:51:08 pm | 5:57:17 am | 7:21:56 pm | 13h 30m 41s | 🌖 (93%) |
| Thu, Feb 5 | 6:58:28 am | 7:24:28 am | 5:54:54 pm | 6:20:54 pm | 10h 30m 26s | 2m 5s | 12:39:41 pm | 22.2° | 6:27:14 am | 6:52:08 pm | 5:56:28 am | 7:22:55 pm | 13h 28m 36s | 🌖 (87%) |
| Fri, Feb 6 | 6:57:33 am | 7:23:30 am | 5:56:01 pm | 6:21:58 pm | 10h 32m 31s | 2m 5s | 12:39:45 pm | 22.5° | 6:26:22 am | 6:53:09 pm | 5:55:37 am | 7:23:53 pm | 13h 26m 28s | 🌖 (79%) |
| Sat, Feb 7 | 6:56:36 am | 7:22:29 am | 5:57:08 pm | 6:23:01 pm | 10h 34m 39s | 2m 8s | 12:39:49 pm | 22.8° | 6:25:27 am | 6:54:10 pm | 5:54:45 am | 7:24:52 pm | 13h 24m 20s | 🌖 (71%) |
| Sun, Feb 8 | 6:55:37 am | 7:21:28 am | 5:58:14 pm | 6:24:05 pm | 10h 36m 46s | 2m 7s | 12:39:51 pm | 23.1° | 6:24:32 am | 6:55:10 pm | 5:53:51 am | 7:25:51 pm | 13h 22m 10s | 🌖 (62%) |
| Mon, Feb 9 | 6:54:37 am | 7:20:24 am | 5:59:21 pm | 6:25:08 pm | 10h 38m 57s | 2m 11s | 12:39:53 pm | 23.5° | 6:23:34 am | 6:56:11 pm | 5:52:55 am | 7:26:50 pm | 13h 19m 59s | 🌗 (52%) |
| Tue, Feb 10 | 6:53:36 am | 7:19:20 am | 6:00:27 pm | 6:26:11 pm | 10h 41m 7s | 2m 10s | 12:39:53 pm | 23.8° | 6:22:36 am | 6:57:11 pm | 5:51:58 am | 7:27:49 pm | 13h 17m 47s | 🌘 (43%) |
| Wed, Feb 11 | 6:52:33 am | 7:18:14 am | 6:01:33 pm | 6:27:14 pm | 10h 43m 19s | 2m 12s | 12:39:53 pm | 24.1° | 6:21:36 am | 6:58:11 pm | 5:50:59 am | 7:28:47 pm | 13h 15m 34s | 🌘 (34%) |
| Thu, Feb 12 | 6:51:29 am | 7:17:07 am | 6:02:38 pm | 6:28:16 pm | 10h 45m 31s | 2m 12s | 12:39:53 pm | 24.4° | 6:20:34 am | 6:59:11 pm | 5:49:59 am | 7:29:46 pm | 13h 13m 21s | 🌘 (25%) |
| Fri, Feb 13 | 6:50:23 am | 7:15:59 am | 6:03:44 pm | 6:29:19 pm | 10h 47m 45s | 2m 14s | 12:39:51 pm | 24.8° | 6:19:31 am | 7:00:12 pm | 5:48:57 am | 7:30:45 pm | 13h 11m 5s | 🌘 (17%) |
| Sat, Feb 14 | 6:49:17 am | 7:14:49 am | 6:04:49 pm | 6:30:21 pm | 10h 50m 0s | 2m 15s | 12:39:49 pm | 25.1° | 6:18:26 am | 7:01:12 pm | 5:47:54 am | 7:31:44 pm | 13h 8m 49s | 🌘 (11%) |
| Sun, Feb 15 | 6:48:09 am | 7:13:38 am | 6:05:54 pm | 6:31:24 pm | 10h 52m 16s | 2m 16s | 12:39:46 pm | 25.5° | 6:17:21 am | 7:02:11 pm | 5:46:50 am | 7:32:43 pm | 13h 6m 33s | 🌘 (5%) |
| Mon, Feb 16 | 6:47:00 am | 7:12:27 am | 6:06:58 pm | 6:32:25 pm | 10h 54m 31s | 2m 15s | 12:39:42 pm | 25.8° | 6:16:14 am | 7:03:11 pm | 5:45:44 am | 7:33:41 pm | 13h 4m 16s | 🌘 (2%) |
| Tue, Feb 17 | 6:45:49 am | 7:11:14 am | 6:08:03 pm | 6:33:27 pm | 10h 56m 49s | 2m 18s | 12:39:38 pm | 26.2° | 6:15:05 am | 7:04:11 pm | 5:44:36 am | 7:34:40 pm | 13h 1m 56s | 🌑 (0%) |
| Wed, Feb 18 | 6:44:38 am | 7:09:59 am | 6:09:07 pm | 6:34:29 pm | 10h 59m 8s | 2m 19s | 12:39:33 pm | 26.5° | 6:13:56 am | 7:05:11 pm | 5:43:27 am | 7:35:39 pm | 12h 59m 37s | 🌒 (1%) |
| Thu, Feb 19 | 6:43:25 am | 7:08:44 am | 6:10:11 pm | 6:35:30 pm | 11h 1m 27s | 2m 19s | 12:39:27 pm | 26.9° | 6:12:45 am | 7:06:10 pm | 5:42:17 am | 7:36:38 pm | 12h 57m 17s | 🌒 (4%) |
| Fri, Feb 20 | 6:42:11 am | 7:07:28 am | 6:11:14 pm | 6:36:31 pm | 11h 3m 46s | 2m 19s | 12:39:21 pm | 27.2° | 6:11:33 am | 7:07:09 pm | 5:41:06 am | 7:37:36 pm | 12h 54m 57s | 🌒 (9%) |
| Sat, Feb 21 | 6:40:56 am | 7:06:11 am | 6:12:17 pm | 6:37:32 pm | 11h 6m 6s | 2m 20s | 12:39:14 pm | 27.6° | 6:10:20 am | 7:08:09 pm | 5:39:53 am | 7:38:35 pm | 12h 52m 36s | 🌒 (16%) |
| Sun, Feb 22 | 6:39:40 am | 7:04:53 am | 6:13:20 pm | 6:38:33 pm | 11h 8m 27s | 2m 21s | 12:39:06 pm | 28° | 6:09:05 am | 7:09:08 pm | 5:38:39 am | 7:39:34 pm | 12h 50m 14s | 🌒 (26%) |
| Mon, Feb 23 | 6:38:23 am | 7:03:34 am | 6:14:22 pm | 6:39:33 pm | 11h 10m 48s | 2m 21s | 12:38:58 pm | 28.3° | 6:07:50 am | 7:10:07 pm | 5:37:23 am | 7:40:33 pm | 12h 47m 52s | 🌒 (36%) |
| Tue, Feb 24 | 6:37:05 am | 7:02:14 am | 6:15:25 pm | 6:40:33 pm | 11h 13m 11s | 2m 23s | 12:38:49 pm | 28.7° | 6:06:33 am | 7:11:06 pm | 5:36:07 am | 7:41:32 pm | 12h 45m 28s | 🌓 (47%) |
| Wed, Feb 25 | 6:35:46 am | 7:00:53 am | 6:16:26 pm | 6:41:33 pm | 11h 15m 33s | 2m 22s | 12:38:40 pm | 29.1° | 6:05:15 am | 7:12:04 pm | 5:34:49 am | 7:42:30 pm | 12h 43m 6s | 🌔 (59%) |
| Thu, Feb 26 | 6:34:27 am | 6:59:32 am | 6:17:28 pm | 6:42:33 pm | 11h 17m 56s | 2m 23s | 12:38:30 pm | 29.4° | 6:03:57 am | 7:13:03 pm | 5:33:30 am | 7:43:29 pm | 12h 40m 41s | 🌔 (70%) |
| Fri, Feb 27 | 6:33:06 am | 6:58:09 am | 6:18:29 pm | 6:43:33 pm | 11h 20m 20s | 2m 24s | 12:38:19 pm | 29.8° | 6:02:37 am | 7:14:02 pm | 5:32:10 am | 7:44:28 pm | 12h 38m 17s | 🌔 (80%) |
| Sat, Feb 28 | 6:31:44 am | 6:56:46 am | 6:19:30 pm | 6:44:32 pm | 11h 22m 44s | 2m 24s | 12:38:08 pm | 30.2° | 6:01:16 am | 7:15:00 pm | 5:30:49 am | 7:45:27 pm | 12h 35m 52s | 🌔 (88%) |
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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 followin 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.