Current local time in Boulder, CO
Wed, 01 Oct 2025 21:54:52 -0600
| 30 September 2025 | |
|---|---|
| Sunrise: | 06:57:24 |
| Sunset: | 18:45:16 |
| Transit: | 12:51:20 |
| Length of daytime: |
11h 47m 52s |
| Twilight | Begins | Ends | Length |
|---|---|---|---|
| Civil | 06:30:28 | 19:12:11 | 12h 41m 43s |
| Nautical | 05:59:03 | 19:43:36 | 13h 44m 33s |
| Astronomical | 05:27:19 | 20:15:20 | 14h 48m 01s |
| City | Region | Country |
|---|---|---|
| Boulder | Colorado | United States |
| Coordinates | Latitude | Longitude |
| DMS: | 40° 02′ 53″ N | 105° 23′ 02″ W |
| Decimal: | 40.0481 | -105.384 |
| Timezone: | ||
| UTC offset: UTC-6:00 | ||
| Daylight Saving Time: Yes | ||
| MDT Mountain Daylight Time (North America) | ||
| America/Denver | ||
| Rise | Set | Length | |
|---|---|---|---|
| Today | 06:58:23 | 18:43:38 | 11h 45m 15s |
| September 29, 2025 | 06:56:25 | 18:46:54 | 11h 50m 29s |
| October 01, 2025 | 06:58:23 | 18:43:38 | 11h 45m 15s |
Neighborhood of Boulder, CO
Lyons, CO, Niwot, CO, Arvada, CO, Jamestown, CO, Golden, CO, Longmont, CO, Eldorado Springs, CO, Pinecliffe, CO, Black Hawk, CO, Louisville, COLocations in United States
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