December 17 Waning Crescent 5% |
December 18 Waning Crescent 2% |
December 19 Illumination: 0% |
December 20 New Moon 0% |
December 21 Waxing Crescent 2% |
Visit the December 2025 Moon Phases Calendar to see all the daily moon phase for this month.
The on December 19 has an illumination of 0%. This is the percentage of the Moon illuminated by the Sun. The illumination is constantly changing and can vary up to 10% a day. On December 19 the Moon is 29.19 days old. This refers to how many days it has been since the last New Moon. It takes 29.53 days for the Moon to orbit the Earth and go through the lunar cycle of all 8 Moon phases.
The current zodiac moon sign is Scorpio, positioned at 20.76° within the sign. The Moon entered Scorpio on Loading... and will shift into Sagittarius on Loading.... The zodiac moon sign represents the position of the Moon as it moves through the twelve signs of the zodiac. Each zodiac moon sign lasts about 2 to 2.5 days as the Moon travels through that part of the sky.
There are 8 lunar phases the Moon goes through in its 29.53 days lunar cycle. The 4 major Moon phases are Full Moon, New Moon, First Quarter and Last Quarter. Between these major phases, there are 4 minor ones: the Waxing Crescent, Waxing Gibbous, Waning Gibbous and Waning Crescent. For more info on the Moon Cycle and on each phase check out Wikipedia Lunar Phase page.
Check the weather before a night of Moon gazing at weather.com
For a list of all the current meteor showers visit American Meteor Society