| Country: | United States |
|---|---|
| State: | Colorado (CO) |
| Lat/Long: | 40°01'N / 105°16'W |
| Elevation: | 1623 m |
| Currency: | United States Dollar (USD) |
| Languages: | English |
| Country Code: | +1 |
Holiday Note: Feb 16, Presidents’ Day. Businesses may be closed. See more
More Sun & Moon in Boulder
+ Show More Twilight and Moon Phase Information
Solar Noon
Sun in South: 12:15 pm
Altitude: 37.2°
Altitude: 37.2°
Astronomical
Twilight
5:24 am – 5:55 am
6:35 pm – 7:06 pm
6:35 pm – 7:06 pm
Nautical
Twilight
5:55 am – 6:27 am
6:03 pm – 6:35 pm
6:03 pm – 6:35 pm
Civil
Twilight
6:27 am – 6:54 am
5:35 pm – 6:03 pm
5:35 pm – 6:03 pm
Previous
Moon Phase
Third Quarter
February 9, 2026
5:43 am
February 9, 2026
5:43 am
Next
Moon Phase
New Moon
February 17, 2026
5:01 am
February 17, 2026
5:01 am
Tools & Converters
Airports
- Denver International Airport, DEN
About 33 mi ESE of Boulder - Colorado Springs Airport, COS
About 89 mi SSE of Boulder
Boulder
USA
10:5203pm
Saturday, February 14, 2026