Current local time in Boulder, CO
Wed, 24 Sep 2025 03:00:03 -0600
| 24 September 2025 | |
|---|---|
| Sunrise: | 06:51:02 |
| Sunset: | 18:54:36 |
| Transit: | 12:52:49 |
| Length of daytime: |
12h 03m 34s |
| Twilight | Begins | Ends | Length |
|---|---|---|---|
| Civil | 06:24:07 | 19:21:30 | 12h 57m 23s |
| Nautical | 05:52:35 | 19:53:02 | 14h 00m 27s |
| Astronomical | 05:20:34 | 20:25:03 | 15h 04m 29s |
| City | Region | Country |
|---|---|---|
| Boulder | Colorado | United States |
| Coordinates | Latitude | Longitude |
| DMS: | 39° 58′ 20″ N | 105° 14′ 56″ W |
| Decimal: | 39.9721 | -105.249 |
| Timezone: | ||
| UTC offset: UTC-6:00 | ||
| Daylight Saving Time: Yes | ||
| MDT Mountain Daylight Time (North America) | ||
| America/Denver | ||
| Rise | Set | Length | |
|---|---|---|---|
| Today | 06:51:02 | 18:54:36 | 12h 03m 34s |
| September 23, 2025 | 06:50:04 | 18:56:15 | 12h 06m 11s |
| September 25, 2025 | 06:51:59 | 18:52:57 | 12h 00m 58s |
Neighborhood of Boulder, CO
Longmont, CO, Golden, CO, Jamestown, CO, Lafayette, CO, Wheat Ridge, CO, Pinecliffe, CO, Broomfield, CO, Hygiene, CO, Erie, CO, Eldorado Springs, COLocations in United States
Houston, TX, Detroit, MI, San Jose, CA, San Francisco, CA, Austin, TX, Seattle, WA, Fort Worth, TX, Oklahoma City, OK, Tucson, AZ, Miami, FLOther Cities
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