Current local time in Boulder, CO
Thu, 30 Oct 2025 16:34:28 -0600
| 29 October 2025 | |
|---|---|
| Sunrise: | 07:27:15 |
| Sunset: | 18:02:05 |
| Transit: | 12:44:40 |
| Length of daytime: |
10h 34m 50s |
| Twilight | Begins | Ends | Length |
|---|---|---|---|
| Civil | 06:59:25 | 18:29:55 | 11h 30m 30s |
| Nautical | 06:27:34 | 19:01:47 | 12h 34m 13s |
| Astronomical | 05:56:05 | 19:33:15 | 13h 37m 10s |
| 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 | 07:28:23 | 18:00:52 | 10h 32m 29s |
| October 28, 2025 | 07:26:08 | 18:03:20 | 10h 37m 12s |
| October 30, 2025 | 07:28:23 | 18:00:52 | 10h 32m 29s |
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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