Current local time in Boulder, CO
| 17 September 2026 | |
|---|---|
| Sunrise: | 06:43:57 |
| Sunset: | 19:06:26 |
| Transit: | 12:55:12 |
| Length of daytime: |
12h 22m 29s |
| Twilight | Begins | Ends | Length |
|---|---|---|---|
| Civil | 06:16:54 | 19:33:29 | 13h 16m 35s |
| Nautical | 05:45:00 | 20:05:23 | 14h 20m 23s |
| Astronomical | 05:12:24 | 20:37:59 | 15h 25m 35s |
| 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 | |
|---|---|---|---|
| Yesterday | 06:43:00 | 19:08:06 | 12h 25m 06s |
| Tomorrow | 06:44:54 | 19:04:47 | 12h 19m 53s |
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
New York, NY, Houston, TX, San Francisco, CA, Austin, TX, Washington, DC, Atlanta, GA, Sacramento, CA, Omaha, NE, Miami, FL, Pittsburgh, PAOther Cities
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