Moonsighting Data for Boulder, Colorado
Rise and Set Times
Sunset:
Boulder Airport
✈
Full Moon
Solar Longitude
Change Date & Time
Location Information
Longitude -105.2523
Latitude 40.0249
Local Airport Weather
KBDU Boulder Municipal Airport
45 °F 🌡
️7 °C
Light Unknown (DZ)
DAY BKN NSW Light Drizzle
Wind
Dir: 80°
5 mph
4 knots
30.10 mb
76 %
N/A °F
Moonlight Stroll
The moon's appearance, sunrise time, sunset time, moonrise time, and moonset time all change based on your longitude and latitude. Click on the link above to change the location to the area of interest.
Directions
Date and time are expressed at Boulder, Colorado, using a 24-hour clock, which depends on your time zone offset (+/- hours from Greenwich, England).
Date Field: Enter a date and time. Then "submit Date" to see the Julian Day Number. Gregorian dates are used after 1582 and Julian dates before 1582.
Julian Day Field: Enter a whole or fractional Julian Day Number greater than 808299 and less than 2634167. Then "Submit aJDN."
The small white dot near Earth in our illustration is a lunar apside (perigee or apogee). The red dot is a node of the ecliptic (ascending or descending). When a new or full moon is at or is opposite to the red dot, an eclipse occurs.