Current local time in Boulder, CO
| 17 September 2026 | |
|---|---|
| Sunrise: | 06:44:12 |
| Sunset: | 19:06:40 |
| Transit: | 12:55:26 |
| Length of daytime: |
12h 22m 28s |
| Twilight | Begins | Ends | Length |
|---|---|---|---|
| Civil | 06:17:10 | 19:33:43 | 13h 16m 33s |
| Nautical | 05:45:18 | 20:05:35 | 14h 20m 17s |
| Astronomical | 05:12:42 | 20:38:10 | 15h 25m 28s |
| City | Region | Country |
|---|---|---|
| Boulder | Colorado | United States |
| Coordinates | Latitude | Longitude |
| DMS: | 40° 01′ 03″ N | 105° 15′ 54″ W |
| Decimal: | 40.0174 | -105.265 |
| Timezone: | ||
| UTC offset: UTC-6:00 | ||
| Daylight Saving Time: Yes | ||
| MDT Mountain Daylight Time (North America) | ||
| America/Denver | ||
| Rise | Set | Length | |
|---|---|---|---|
| Yesterday | 06:43:15 | 19:08:20 | 12h 25m 05s |
| Tomorrow | 06:45:09 | 19:05:01 | 12h 19m 52s |
Neighborhood of Boulder, CO
Denver, CO, Jamestown, CO, Arvada, CO, Louisville, CO, Wheat Ridge, CO, Westminster, CO, Golden, CO, Hygiene, CO, Longmont, CO, Lafayette, COLocations in United States
New York, NY, Baltimore, MD, Milwaukee, WI, Boston, MA, Long Beach, CA, Virginia Beach, VA, Sacramento, CA, Omaha, NE, Pittsburgh, PA, Cincinnati, OHOther Cities
Jakarta,Indonesia; Teheran,Iran Islamic Republic of; Harbin,China; Riyadh,Saudi Arabia; Changchun,China; Addis Abeba,Ethiopia; Quezon,Philippines; Shijiazhuang,China; Medellín,Colombia; Hamburg,Germany; Quito,Ecuador; Douala,Cameroon; Yaoundé,Cameroon;
