Current local time in Boulder, CO
Thu, 30 Oct 2025 16:35:01 -0600
| 31 October 2025 | |
|---|---|
| Sunrise: | 07:29:30 |
| Sunset: | 17:59:39 |
| Transit: | 12:44:35 |
| Length of daytime: |
10h 30m 09s |
| Twilight | Begins | Ends | Length |
|---|---|---|---|
| Civil | 07:01:33 | 18:27:37 | 11h 26m 04s |
| Nautical | 06:29:37 | 18:59:33 | 12h 29m 56s |
| Astronomical | 05:58:05 | 19:31:04 | 13h 32m 59s |
| 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 30, 2025 | 07:28:23 | 18:00:52 | 10h 32m 29s |
| November 01, 2025 | 07:30:38 | 17:58:29 | 10h 27m 51s |
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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