Current local time in Boulder, CO
Wed, 24 Sep 2025 04:57:30 -0600
| 21 September 2025 | |
|---|---|
| Sunrise: | 06:48:10 |
| Sunset: | 18:59:34 |
| Transit: | 12:53:52 |
| Length of daytime: |
12h 11m 24s |
| Twilight | Begins | Ends | Length |
|---|---|---|---|
| Civil | 06:21:14 | 19:26:30 | 13h 05m 16s |
| Nautical | 05:49:35 | 19:58:09 | 14h 08m 34s |
| Astronomical | 05:17:21 | 20:30:22 | 15h 13m 01s |
| 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 20, 2025 | 06:47:13 | 19:01:13 | 12h 14m 00s |
| September 22, 2025 | 06:49:07 | 18:57:54 | 12h 08m 47s |
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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