Tonight, May 20, 2025, the Moon will be in the constellation Capricornus. It will be in a Waning Gibbous phase, meaning it is past full and gradually decreasing in illumination
. From Greenwich, UK, the Moon will be visible above the horizon in the southern sky at an altitude of about 17 degrees and an azimuth close to 177 degrees (almost due south) around early morning hours before setting at approximately 10:46 AM local time
. The Moon's right ascension will be around 21h 44m and declination about -17° 55', placing it firmly in Capricornus
. Its apparent magnitude will be about -10.34, making it quite bright in the sky, and its apparent diameter will be around 1,878 arcseconds
. If you are located elsewhere, the exact rise, transit, and set times will vary, but the Moon will generally be visible in the early morning hours before sunrise, positioned in the southern sky. In summary, tonight the Moon will be a bright Waning Gibbous in Capricornus, visible in the southern sky before dawn
