What time is sunrise and sunset in Boulder?
Today and tomorrow's sunrise and sunset times in Boulder, Montana. Plus a monthly calendar with dawn, dusk, solar noon, and day length.
Today
Sunrise
7:14 AM
112° ESEDawn 6:42 AM
Sunrise in Boulder was at 7:14:08 AM MST (6h 35m ago).
Sunset
5:09 PM
248° WSWDusk 5:41 PM
Sunset in Boulder will be at 5:09:24 PM MST (in 3h 20m).
Now
7:14a5:09p
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Daylight now · Golden hour at 4:25 PM
| Window | Morning | Evening |
|---|---|---|
| Golden hour | 6:54 – 7:58 AM | 4:25 – 5:28 PM |
| Blue hour | 6:42 – 6:54 AM | 5:28 – 5:41 PM |
- Daylight
- 9h 55m
- −2m 51s vs. yesterday
- Darkness
- 10h 40m
- Solar noon
- 12:12 PM
- Sun altitude
- 24.5°
- Sun direction
- 206° SSW
Tomorrow
Sunrise
7:15 AM
112° ESEDawn 6:43 AM
Sunrise in Boulder will be at 7:15:34 AM MST (in 17h 26m).
Sunset
5:08 PM
248° WSWDusk 5:39 PM
Sunset in Boulder will be at 5:08:02 PM MST (in 27h 19m).
Moon tonight
Phase, moonrise and moonset in Boulder
Waning Crescent
20% illuminated
- Moonrise
- 2:11 AM
- Moonset
- 3:01 PM
Calendar
Mountain Time · select a day to expand
| Date | Dawn | Sunrise | Solar noon | Sunset | Dusk | Length | |
|---|---|---|---|---|---|---|---|
| 1 Sun | 6:38 AM | 7:09 AM | 12:12 PM | 5:13 PM | 5:45 PM | 10h 03m 54s | |
| 2 Mon | 6:39 AM | 7:11 AM | 12:12 PM | 5:12 PM | 5:43 PM | 10h 01m 00s | |
| 3 Tue | 6:41 AM | 7:12 AM | 12:12 PM | 5:10 PM | 5:42 PM | 9h 58m 08s | |
| 4 Wed | 6:42 AM | 7:14 AM | 12:12 PM | 5:09 PM | 5:41 PM | 9h 55m 17s | |
Wednesday, November 4 9h 55m 17s of daylight·−2m 51s vs. yesterday·twilight 6:42 AM – 5:41 PM Time 1:49 PM Altitude 24.5° Heading 206° SSW Light Daylight 1:49 PM, Daylight, altitude 24.5 degrees | |||||||
| 5 Thu | 6:43 AM | 7:15 AM | 12:12 PM | 5:08 PM | 5:39 PM | 9h 52m 27s | |
| 6 Fri | 6:45 AM | 7:17 AM | 12:12 PM | 5:06 PM | 5:38 PM | 9h 49m 40s | |
| 7 Sat | 6:46 AM | 7:18 AM | 12:12 PM | 5:05 PM | 5:37 PM | 9h 46m 54s | |
| 8 Sun | 6:47 AM | 7:19 AM | 12:12 PM | 5:04 PM | 5:36 PM | 9h 44m 10s | |
| 9 Mon | 6:49 AM | 7:21 AM | 12:12 PM | 5:02 PM | 5:34 PM | 9h 41m 28s | |
| 10 Tue | 6:50 AM | 7:22 AM | 12:12 PM | 5:01 PM | 5:33 PM | 9h 38m 48s | |
| 11 Wed | 6:51 AM | 7:24 AM | 12:12 PM | 5:00 PM | 5:32 PM | 9h 36m 10s | |
| 12 Thu | 6:53 AM | 7:25 AM | 12:12 PM | 4:59 PM | 5:31 PM | 9h 33m 34s | |
| 13 Fri | 6:54 AM | 7:27 AM | 12:12 PM | 4:58 PM | 5:30 PM | 9h 31m 00s | |
| 14 Sat | 6:55 AM | 7:28 AM | 12:12 PM | 4:56 PM | 5:29 PM | 9h 28m 29s | |
| 15 Sun | 6:57 AM | 7:29 AM | 12:13 PM | 4:55 PM | 5:28 PM | 9h 26m 00s | |
| 16 Mon | 6:58 AM | 7:31 AM | 12:13 PM | 4:54 PM | 5:27 PM | 9h 23m 33s | |
| 17 Tue | 6:59 AM | 7:32 AM | 12:13 PM | 4:53 PM | 5:26 PM | 9h 21m 10s | |
| 18 Wed | 7:01 AM | 7:34 AM | 12:13 PM | 4:52 PM | 5:25 PM | 9h 18m 49s | |
| 19 Thu | 7:02 AM | 7:35 AM | 12:13 PM | 4:51 PM | 5:24 PM | 9h 16m 30s | |
| 20 Fri | 7:03 AM | 7:36 AM | 12:14 PM | 4:51 PM | 5:24 PM | 9h 14m 15s | |
| 21 Sat | 7:04 AM | 7:38 AM | 12:14 PM | 4:50 PM | 5:23 PM | 9h 12m 02s | |
| 22 Sun | 7:06 AM | 7:39 AM | 12:14 PM | 4:49 PM | 5:22 PM | 9h 09m 53s | |
| 23 Mon | 7:07 AM | 7:40 AM | 12:14 PM | 4:48 PM | 5:22 PM | 9h 07m 47s | |
| 24 Tue | 7:08 AM | 7:42 AM | 12:15 PM | 4:47 PM | 5:21 PM | 9h 05m 44s | |
| 25 Wed | 7:09 AM | 7:43 AM | 12:15 PM | 4:47 PM | 5:20 PM | 9h 03m 45s | |
| 26 Thu | 7:11 AM | 7:44 AM | 12:15 PM | 4:46 PM | 5:20 PM | 9h 01m 49s | |
| 27 Fri | 7:12 AM | 7:46 AM | 12:16 PM | 4:46 PM | 5:19 PM | 8h 59m 56s | |
| 28 Sat | 7:13 AM | 7:47 AM | 12:16 PM | 4:45 PM | 5:19 PM | 8h 58m 08s | |
| 29 Sun | 7:14 AM | 7:48 AM | 12:16 PM | 4:44 PM | 5:18 PM | 8h 56m 23s | |
| 30 Mon | 7:15 AM | 7:49 AM | 12:17 PM | 4:44 PM | 5:18 PM | 8h 54m 42s | |
FAQ
Frequently asked questions about sunrise and sunset in Boulder, United States
- What time does the sun rise in Boulder today?
- Sunrise in Boulder today (Wednesday, November 4, 2026) is at 7:14 AM. The sun comes up in the ESE.
- What time does the sun set in Boulder today?
- Sunset today is at 5:09 PM, after 9h 55m of daylight.
- When does it get dark in Boulder tonight?
- Civil twilight ends at 5:41 PM. After that you need artificial light for most things outdoors. Astronomical twilight ends at 6:51 PM, which is when night starts by the standard definition.How long after sunset it gets dark
- When is the longest day in Boulder, United States?
- The longest day of 2026 in Boulder is Sunday, June 21, 2026, the summer solstice, with 15h 47m of daylight. In 2027 the summer solstice falls on June 21, 2027.More on the summer solstice
- When is the shortest day in Boulder, United States?
- The shortest day of 2026 in Boulder, Montana is Monday, December 21, 2026, the winter solstice, with 8h 36m of daylight. In 2027 the winter solstice lands on December 21, 2027.
- How much more daylight does Boulder get in summer than in winter?
- Boulder gets 7h 10m more daylight on its longest day than on its shortest (15h 47m against 8h 36m). Averaged across the year, a day here has 12h 14m of daylight.
- When is the earliest sunrise in Boulder?
- The earliest sunrise of 2026 in Boulder is on Monday, June 15, 2026, when the sun comes up at 5:36 AM.
- When is the latest sunset in Boulder?
- The latest sunset is on Thursday, June 25, 2026 at 9:24 PM.
- When is the earliest sunset in Boulder?
- The earliest sunset of the year is on Thursday, December 10, 2026, with the sun down by 4:42 PM.Why it comes before the shortest day
- When is the latest sunrise in Boulder?
- The latest sunrise is on Thursday, January 1, 2026 at 8:11 AM.
- Does Boulder observe daylight saving time?
- Yes. Boulder uses Mountain Time: clocks go forward on March 8, 2026, then back on November 1, 2026. Sunrise and sunset times jump by an hour on those dates.
Nearby
Other places close to Boulder
Developers: get this data programmatically with the free JSON API.
GET https://api.sunrisesunset.io/json?lat=46.23659&lng=-112.12083