Sunrise and sunset times in Roundup, MT
Check out today's and tomorrow's sunrise and sunset times in Roundup, MT, United States, as well as the whole calendar for August 2026.
Today
August 6, 2026 . Current time: 6:23:09 pm
First light at 5:27:50 am
Sunrise time: 6:00:18 am
Sunset time: 8:39:47 pm
Last light at 9:12:15 pm
Day length: 14 hours, 39 minutes
2 hours, 16 minutes left for today's sunset in Roundup
Moon set on Aug 6 at 2:28 PM
Moon will rise on Aug 6 at 10:59 PMMoon phase: 🌘 Waning Crescent (40%)🌑 New moon: Aug 12 at 11:37 AM · 🌕 Full moon: Aug 27 at 10:19 PMTomorrow
August 7, 2026
First light at 5:29:13 am
Sunrise time: 6:01:32 am
Sunset time: 8:38:18 pm
Last light at 9:10:37 pm
Day length: 14 hours, 36 minutes
Tomorrow will be 2 minutes shorter than today in Roundup
Moon will set on Aug 7 at 3:47 PM Moon will rise on Aug 7 at 11:46 PMMoon phase: 🌘 Waning Crescent (26%)
- Roundup, Montana
- Latitude: 46.445244
- Longitude: -108.541801
- Time zone: Mountain Time MDT
Shortest day in Roundup, MT
The shortest day of the year will be in 5 months, during the winter solstice on December 21, 2026, with a daylight length of 8 hours and 38 minutes.Longest day in Roundup, MT
The longest day of the year was 1 month and 17 days ago, during the summer solstice on June 20, 2026, with a daylight length of 15 hours and 52 minutes.
August 2026 - Roundup, Montana - 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 Roundup.
The day length shortens by 1 hour, 28 minutes over the course of August 2026 in Roundup, MT - from 14 hours, 52 minutes on the first day to 13 hours, 24 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 | 5:20:59 am | 5:54:08 am | 8:46:52 pm | 9:20:02 pm | 14h 52m 44s | 14h 52m 44s | 1:20:30 pm | 64.3° | 4:36:34 am | 10:04:26 pm | 3:44:07 am | 10:56:53 pm | 9h 8m 29s | 🌖 (93%) |
| Sun, Aug 2 | 5:22:20 am | 5:55:21 am | 8:45:30 pm | 9:18:31 pm | 14h 50m 9s | -2m -35s | 1:20:26 pm | 64° | 4:38:13 am | 10:02:39 pm | 3:46:20 am | 10:54:32 pm | 9h 11m 5s | 🌖 (87%) |
| Mon, Aug 3 | 5:23:42 am | 5:56:35 am | 8:44:07 pm | 9:16:59 pm | 14h 47m 32s | -2m -37s | 1:20:21 pm | 63.8° | 4:39:51 am | 10:00:51 pm | 3:48:32 am | 10:52:10 pm | 9h 13m 42s | 🌖 (79%) |
| Tue, Aug 4 | 5:25:05 am | 5:57:49 am | 8:42:42 pm | 9:15:26 pm | 14h 44m 53s | -2m -39s | 1:20:15 pm | 63.5° | 4:41:30 am | 9:59:01 pm | 3:50:43 am | 10:49:47 pm | 9h 16m 21s | 🌖 (70%) |
| Wed, Aug 5 | 5:26:27 am | 5:59:03 am | 8:41:15 pm | 9:13:51 pm | 14h 42m 12s | -2m -41s | 1:20:09 pm | 63.2° | 4:43:09 am | 9:57:10 pm | 3:52:54 am | 10:47:24 pm | 9h 19m 3s | 🌖 (59%) |
| Thu, Aug 6 | 5:27:50 am | 6:00:18 am | 8:39:47 pm | 9:12:15 pm | 14h 39m 29s | -2m -43s | 1:20:02 pm | 63° | 4:44:48 am | 9:55:17 pm | 3:55:04 am | 10:45:01 pm | 9h 21m 45s | 🌗 (48%) |
| Fri, Aug 7 | 5:29:13 am | 6:01:32 am | 8:38:18 pm | 9:10:37 pm | 14h 36m 46s | -2m -43s | 1:19:55 pm | 62.7° | 4:46:26 am | 9:53:24 pm | 3:57:13 am | 10:42:37 pm | 9h 24m 30s | 🌘 (37%) |
| Sat, Aug 8 | 5:30:36 am | 6:02:48 am | 8:36:47 pm | 9:08:58 pm | 14h 33m 59s | -2m -47s | 1:19:47 pm | 62.4° | 4:48:05 am | 9:51:29 pm | 3:59:22 am | 10:40:13 pm | 9h 27m 16s | 🌘 (26%) |
| Sun, Aug 9 | 5:32:00 am | 6:04:03 am | 8:35:15 pm | 9:07:18 pm | 14h 31m 12s | -2m -47s | 1:19:39 pm | 62.1° | 4:49:44 am | 9:49:33 pm | 4:01:29 am | 10:37:48 pm | 9h 30m 3s | 🌘 (17%) |
| Mon, Aug 10 | 5:33:23 am | 6:05:18 am | 8:33:41 pm | 9:05:36 pm | 14h 28m 23s | -2m -49s | 1:19:30 pm | 61.8° | 4:51:23 am | 9:47:37 pm | 4:03:36 am | 10:35:23 pm | 9h 32m 53s | 🌘 (9%) |
| Tue, Aug 11 | 5:34:47 am | 6:06:34 am | 8:32:06 pm | 9:03:53 pm | 14h 25m 32s | -2m -51s | 1:19:20 pm | 61.5° | 4:53:01 am | 9:45:39 pm | 4:05:42 am | 10:32:58 pm | 9h 35m 44s | 🌘 (3%) |
| Wed, Aug 12 | 5:36:11 am | 6:07:50 am | 8:30:29 pm | 9:02:09 pm | 14h 22m 39s | -2m -53s | 1:19:10 pm | 61.2° | 4:54:39 am | 9:43:40 pm | 4:07:47 am | 10:30:32 pm | 9h 38m 37s | 🌑 (0%) |
| Thu, Aug 13 | 5:37:34 am | 6:09:06 am | 8:28:52 pm | 9:00:24 pm | 14h 19m 46s | -2m -53s | 1:18:59 pm | 60.9° | 4:56:18 am | 9:41:41 pm | 4:09:51 am | 10:28:07 pm | 9h 41m 30s | 🌑 (0%) |
| Fri, Aug 14 | 5:38:58 am | 6:10:22 am | 8:27:13 pm | 8:58:38 pm | 14h 16m 51s | -2m -55s | 1:18:48 pm | 60.6° | 4:57:55 am | 9:39:40 pm | 4:11:55 am | 10:25:41 pm | 9h 44m 26s | 🌒 (3%) |
| Sat, Aug 15 | 5:40:21 am | 6:11:39 am | 8:25:33 pm | 8:56:50 pm | 14h 13m 54s | -2m -57s | 1:18:36 pm | 60.3° | 4:59:33 am | 9:37:39 pm | 4:13:57 am | 10:23:15 pm | 9h 47m 22s | 🌒 (8%) |
| Sun, Aug 16 | 5:41:45 am | 6:12:55 am | 8:23:52 pm | 8:55:02 pm | 14h 10m 57s | -2m -57s | 1:18:24 pm | 60° | 5:01:10 am | 9:35:37 pm | 4:15:58 am | 10:20:49 pm | 9h 50m 19s | 🌒 (15%) |
| Mon, Aug 17 | 5:43:09 am | 6:14:11 am | 8:22:10 pm | 8:53:13 pm | 14h 7m 59s | -2m -58s | 1:18:11 pm | 59.7° | 5:02:47 am | 9:33:34 pm | 4:17:59 am | 10:18:23 pm | 9h 53m 18s | 🌒 (23%) |
| Tue, Aug 18 | 5:44:32 am | 6:15:28 am | 8:20:27 pm | 8:51:22 pm | 14h 4m 59s | -3m 0s | 1:17:57 pm | 59.3° | 5:04:23 am | 9:31:31 pm | 4:19:58 am | 10:15:57 pm | 9h 56m 17s | 🌒 (32%) |
| Wed, Aug 19 | 5:45:55 am | 6:16:44 am | 8:18:42 pm | 8:49:31 pm | 14h 1m 58s | -3m -1s | 1:17:43 pm | 59° | 5:06:00 am | 9:29:27 pm | 4:21:56 am | 10:13:31 pm | 9h 59m 19s | 🌒 (42%) |
| Thu, Aug 20 | 5:47:19 am | 6:18:01 am | 8:16:57 pm | 8:47:39 pm | 13h 58m 56s | -3m -2s | 1:17:29 pm | 58.7° | 5:07:35 am | 9:27:23 pm | 4:23:54 am | 10:11:04 pm | 10h 2m 20s | 🌓 (51%) |
| Fri, Aug 21 | 5:48:42 am | 6:19:17 am | 8:15:11 pm | 8:45:47 pm | 13h 55m 54s | -3m -2s | 1:17:14 pm | 58.4° | 5:09:11 am | 9:25:18 pm | 4:25:50 am | 10:08:38 pm | 10h 5m 23s | 🌔 (61%) |
| Sat, Aug 22 | 5:50:05 am | 6:20:34 am | 8:13:24 pm | 8:43:53 pm | 13h 52m 50s | -3m -4s | 1:16:59 pm | 58° | 5:10:46 am | 9:23:12 pm | 4:27:45 am | 10:06:12 pm | 10h 8m 26s | 🌔 (70%) |
| Sun, Aug 23 | 5:51:27 am | 6:21:50 am | 8:11:36 pm | 8:41:59 pm | 13h 49m 46s | -3m -4s | 1:16:43 pm | 57.7° | 5:12:20 am | 9:21:06 pm | 4:29:40 am | 10:03:47 pm | 10h 11m 31s | 🌔 (78%) |
| Mon, Aug 24 | 5:52:50 am | 6:23:07 am | 8:09:47 pm | 8:40:04 pm | 13h 46m 40s | -3m -6s | 1:16:27 pm | 57.3° | 5:13:54 am | 9:19:00 pm | 4:31:33 am | 10:01:21 pm | 10h 14m 37s | 🌔 (85%) |
| Tue, Aug 25 | 5:54:13 am | 6:24:24 am | 8:07:57 pm | 8:38:08 pm | 13h 43m 33s | -3m -7s | 1:16:10 pm | 57° | 5:15:28 am | 9:16:53 pm | 4:33:25 am | 9:58:55 pm | 10h 17m 43s | 🌔 (92%) |
| Wed, Aug 26 | 5:55:35 am | 6:25:40 am | 8:06:07 pm | 8:36:12 pm | 13h 40m 27s | -3m -6s | 1:15:53 pm | 56.6° | 5:17:01 am | 9:14:46 pm | 4:35:17 am | 9:56:30 pm | 10h 20m 49s | 🌔 (96%) |
| Thu, Aug 27 | 5:56:57 am | 6:26:56 am | 8:04:16 pm | 8:34:15 pm | 13h 37m 20s | -3m -7s | 1:15:36 pm | 56.3° | 5:18:34 am | 9:12:38 pm | 4:37:07 am | 9:54:05 pm | 10h 23m 57s | 🌔 (99%) |
| Fri, Aug 28 | 5:58:19 am | 6:28:13 am | 8:02:24 pm | 8:32:18 pm | 13h 34m 11s | -3m -9s | 1:15:18 pm | 55.9° | 5:20:06 am | 9:10:31 pm | 4:38:57 am | 9:51:40 pm | 10h 27m 5s | 🌕 (100%) |
| Sat, Aug 29 | 5:59:41 am | 6:29:29 am | 8:00:31 pm | 8:30:20 pm | 13h 31m 2s | -3m -9s | 1:15:00 pm | 55.6° | 5:21:38 am | 9:08:23 pm | 4:40:45 am | 9:49:15 pm | 10h 30m 15s | 🌖 (99%) |
| Sun, Aug 30 | 6:01:02 am | 6:30:46 am | 7:58:38 pm | 8:28:22 pm | 13h 27m 52s | -3m -10s | 1:14:42 pm | 55.2° | 5:23:09 am | 9:06:15 pm | 4:42:33 am | 9:46:51 pm | 10h 33m 24s | 🌖 (95%) |
| Mon, Aug 31 | 6:02:23 am | 6:32:02 am | 7:56:44 pm | 8:26:23 pm | 13h 24m 42s | -3m -10s | 1:14:23 pm | 54.9° | 5:24:40 am | 9:04:06 pm | 4:44:19 am | 9:44:27 pm | 10h 36m 34s | 🌖 (90%) |
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Sunrise and Sunset photos in Roundup, MT
Enjoy this beautiful gallery of images of the sunset and sunrise at Roundup, MT. All images provided by our fantastic community of photographers!
Year distribution of sunrise and sunset times in Roundup, MT - 2026
The following graph shows sunrise and sunset times in Roundup, MT for every day of the year. There are two jumps in the graph that represent the hour change for Daylight Saving Time (DST) in Roundup, MT.
Daylight Dawn & dusk (civil twilight) Night Solar noon · Vertical steps in the curves = DST clock change
Earliest and latest sunrise and sunset in Roundup, MT
In Roundup, MT, the earliest sunrise of 2026 is on June 15 at 5:19 am, while the latest sunrise is on January 1 at 7:55 am. The earliest sunset is on December 10 at 4:28 pm, and the latest sunset is on June 26 at 9:12 pm.
Roundup, MT gets 7h 14m more daylight on the longest day than on the shortest one (15h 52m versus 8h 38m). Averaged over the whole year, a day lasts 12h 17m.
Places near Roundup, MT
These nearby towns and cities have almost the same sunrise and sunset times as Roundup, MT — the difference is only seconds to a couple of minutes. Select any place to see its own sun calendar:
Lavina 35 kmBroadview 46 kmMelstone 54 kmRyegate 57 kmHuntley 63 kmWinnett 64 kmGrass Range 68 kmBillings 74 km