Current local time in Boulder, CO
Tue, 23 Sep 2025 21:11:07 -0600
| 24 September 2025 | |
|---|---|
| Sunrise: | 06:51:06 |
| Sunset: | 18:54:39 |
| Transit: | 12:52:52 |
| Length of daytime: |
12h 03m 33s |
| Twilight | Begins | Ends | Length |
|---|---|---|---|
| Civil | 06:24:10 | 19:21:35 | 12h 57m 25s |
| Nautical | 05:52:37 | 19:53:08 | 14h 00m 31s |
| Astronomical | 05:20:34 | 20:25:11 | 15h 04m 37s |
| City | Region | Country |
|---|---|---|
| Boulder | Colorado | United States |
| Coordinates | Latitude | Longitude |
| DMS: | 40° 01′ 03″ N | 105° 15′ 54″ W |
| Decimal: | 40.0174 | -105.265 |
| Timezone: | ||
| UTC offset: UTC-6:00 | ||
| Daylight Saving Time: Yes | ||
| MDT Mountain Daylight Time (North America) | ||
| America/Denver | ||
| Rise | Set | Length | |
|---|---|---|---|
| Today | 06:50:08 | 18:56:19 | 12h 06m 11s |
| September 23, 2025 | 06:50:08 | 18:56:19 | 12h 06m 11s |
| September 25, 2025 | 06:52:03 | 18:53:00 | 12h 00m 57s |
Neighborhood of Boulder, CO
Denver, CO, Jamestown, CO, Arvada, CO, Louisville, CO, Wheat Ridge, CO, Westminster, CO, Golden, CO, Hygiene, CO, Longmont, CO, Lafayette, COLocations in United States
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