Current local time in Boulder, CO
Thu, 23 Oct 2025 23:38:16 -0600
| 24 October 2025 | |
|---|---|
| Sunrise: | 07:21:37 |
| Sunset: | 18:08:15 |
| Transit: | 12:44:56 |
| Length of daytime: |
10h 46m 38s |
| Twilight | Begins | Ends | Length |
|---|---|---|---|
| Civil | 06:54:01 | 18:35:51 | 11h 41m 50s |
| Nautical | 06:22:20 | 19:07:32 | 12h 45m 12s |
| Astronomical | 05:50:55 | 19:38:57 | 13h 48m 02s |
| City | Region | Country |
|---|---|---|
| Boulder | Colorado | United States |
| Coordinates | Latitude | Longitude |
| DMS: | 40° 03′ 03″ N | 105° 12′ 14″ W |
| Decimal: | 40.0507 | -105.204 |
| Timezone: | ||
| UTC offset: UTC-6:00 | ||
| Daylight Saving Time: Yes | ||
| MDT Mountain Daylight Time (North America) | ||
| America/Denver | ||
| Rise | Set | Length | |
|---|---|---|---|
| Today | 07:20:31 | 18:09:36 | 10h 49m 05s |
| October 23, 2025 | 07:20:31 | 18:09:36 | 10h 49m 05s |
| October 25, 2025 | 07:22:44 | 18:06:55 | 10h 44m 11s |
Neighborhood of Boulder, CO
Mead, CO, Eldorado Springs, CO, Longmont, CO, Hygiene, CO, Lafayette, CO, Jamestown, CO, Golden, CO, Westminster, CO, Eastlake, CO, Arvada, COLocations in United States
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