Current time in Boulder
Boulder — exact time with seconds online. Boulder — transition to winter and summer time.
United States, Colorado, Boulder — time is now
05:40:15
21
December
2024,
Saturday
Boulder on the map
AM
2024
December
Sa
21
05
35
10
40
3
9
15
45
20
50
25
55
6
12
30
60
Information
| Country | United States |
| Population | ~97 385 |
| Currency | USD — US Dollar |
| Country phone code | +1 |
| GPS coordinates (latitude, longitude) | 40.012729,-105.259689 |
Boulder — switching to winter and summer time
| Time zone | UTC-7:00 |
| Changeover to summer time UTC-6:00 | 10.03.2024 01:00:00 |
| Changeover to winter time UTC-7:00 | 03.11.2024 03:00:00 |
| Sunrise | 07:18:08 |
| Sunset | 16:40:50 |
| Day length | 09:22:42 |
| Sun at its zenith | 11:59:29 |
| Civil dawn | 06:49:11 |
| Civil Twilight | 17:09:47 |
| Nautical dawn | 06:15:05 |
| Nautical Twilight | 17:43:53 |
| Astronomical dawn | 05:42:05 |
| Astronomical Twilight | 18:16:53 |