Current local time in Boulder, CO
Thu, 23 Oct 2025 23:38:17 -0600
| 23 October 2025 | |
|---|---|
| Sunrise: | 07:20:31 |
| Sunset: | 18:09:36 |
| Transit: | 12:45:04 |
| Length of daytime: |
10h 49m 05s |
| Twilight | Begins | Ends | Length |
|---|---|---|---|
| Civil | 06:52:58 | 18:37:09 | 11h 44m 11s |
| Nautical | 06:21:19 | 19:08:48 | 12h 47m 29s |
| Astronomical | 05:49:55 | 19:40:12 | 13h 50m 17s |
| 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 | 07:19:26 | 18:10:58 | 10h 51m 32s |
| Tomorrow | 07:21:37 | 18:08:15 | 10h 46m 38s |
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
Karachi,Pakistan; Lima,Peru; Shenyang,China; Sydney,Australia; Dalian,China; Pyongyang,Korea Democratic People's Republic of; Alger,Algeria; Luanda,Angola; Medan,Indonesia; Nanchang,China; Pune,India; Ibadan,Nigeria; Ningbo,China;
