The CO-OPS Astronomical Data service will be discontinued at the end of 2024.

All the lunar data presented through this service (Phases of the Moon, etc.) are available through the U.S. Naval Observatory, Astronomical Applications service, and can be accessed here:

Please send any comments or concerns to our Customer Services email address:

Astronomical Data

(Northern Hemisphere)

Moon Cycle The Sun
New MoonNew Moon
Waxing CrescentWaxing Crescent
First QuarterFirst Quarter
Waxing GibbousWaxing Gibbous
Full MoonFull Moon
Waning GibbousWaning Gibbous
Last QuarterLast Quarter
Waning CrescentWaning Crescent