Current local time in Boulder, CO
Fri, 31 Oct 2025 03:46:53 -0600
| 02 November 2025 | |
|---|---|
| Sunrise: | 06:31:46 |
| Sunset: | 16:57:19 |
| Transit: | 11:44:33 |
| Length of daytime: |
10h 25m 33s |
| Twilight | Begins | Ends | Length |
|---|---|---|---|
| Civil | 06:03:42 | 17:25:23 | 11h 21m 41s |
| Nautical | 05:31:40 | 17:57:26 | 12h 25m 46s |
| Astronomical | 05:00:05 | 18:29:00 | 13h 28m 55s |
| 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-7:00 | ||
| Daylight Saving Time: No | ||
| MST Mountain Standard Time (North America) | ||
| America/Denver | ||
| Rise | Set | Length | |
|---|---|---|---|
| Today | 07:29:30 | 17:59:39 | 10h 30m 09s |
| November 01, 2025 | 07:30:38 | 17:58:29 | 10h 27m 51s |
| November 03, 2025 | 06:32:55 | 16:56:11 | 10h 23m 16s |
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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