Current local time in Boulder, CO
Thu, 02 Oct 2025 00:01:32 -0600
| 01 October 2025 | |
|---|---|
| Sunrise: | 06:58:23 |
| Sunset: | 18:43:38 |
| Transit: | 12:51:00 |
| Length of daytime: |
11h 45m 15s |
| Twilight | Begins | Ends | Length |
|---|---|---|---|
| Civil | 06:31:27 | 19:10:34 | 12h 39m 07s |
| Nautical | 06:00:03 | 19:41:58 | 13h 41m 55s |
| Astronomical | 05:28:21 | 20:13:39 | 14h 45m 18s |
| 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 | 06:59:22 | 18:42:01 | 11h 42m 39s |
| September 30, 2025 | 06:57:24 | 18:45:16 | 11h 47m 52s |
| October 02, 2025 | 06:59:22 | 18:42:01 | 11h 42m 39s |
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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