Current local time in Boulder, CO
Sat, 25 Oct 2025 22:01:05 -0600
| 25 October 2025 | |
|---|---|
| Sunrise: | 07:22:56 |
| Sunset: | 18:07:12 |
| Transit: | 12:45:04 |
| Length of daytime: |
10h 44m 16s |
| Twilight | Begins | Ends | Length |
|---|---|---|---|
| Civil | 06:55:17 | 18:34:51 | 11h 39m 34s |
| Nautical | 06:23:35 | 19:06:33 | 12h 42m 58s |
| Astronomical | 05:52:10 | 19:37:58 | 13h 45m 48s |
| 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 | 07:21:49 | 18:08:32 | 10h 46m 43s |
| Tomorrow | 07:24:02 | 18:05:53 | 10h 41m 51s |
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
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