| 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: Dec 25, Christmas Day. Businesses may be closed. See more
More Sun & Moon in Boulder
+ Show More Twilight and Moon Phase Information
Solar Noon
Sun in South: 11:59 am
Altitude: 26.6°
Altitude: 26.6°
Astronomical
Twilight
5:42 am – 6:15 am
5:44 pm – 6:17 pm
5:44 pm – 6:17 pm
Nautical
Twilight
6:15 am – 6:49 am
5:09 pm – 5:44 pm
5:09 pm – 5:44 pm
Civil
Twilight
6:49 am – 7:19 am
4:39 pm – 5:09 pm
4:39 pm – 5:09 pm
Previous
Moon Phase
Full Moon
December 15, 2024
2:01 am
December 15, 2024
2:01 am
Next
Moon Phase
Third Quarter
December 22, 2024
3:18 pm
December 22, 2024
3:18 pm
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
5:5609am
Saturday, December 21, 2024