← 2025 Moon phase calendar

A MONTH OF WAXING AND WANING LIGHT

December 2025 Moon phase calendar

Major phase dates and times are in UTC. Daily phase and illumination are for 03:00 UTC on each date, the same moment as each day’s Moon page.

Major phase times

Full Moon
Last Quarter
New Moon
First Quarter

Which time zone does this calendar use?

Each major phase happens at the same instant worldwide. The dates and times here are in UTC, so where you are the date can be a day earlier or later. The 2025 Full Moon calendar gives full Moon names and times in US Eastern Time.

Daily phase and illumination are for 03:00 UTC, the same moment as each day’s Moon page. For moonrise and moonset where you are, see Moonrise and moonset tonight.

Find the Moon on your birthday →

Daily Moon phase

Select a date for its detailed Moon view.

Full calendar →
Daily Moon phase and illumination for December 2025, at 03:00 UTC each day
DateMoonPhaseIllumination
Dec 1Waxing Gibbous79%
Dec 2Waxing Gibbous88%
Dec 3Waxing Gibbous95%
Dec 4Waxing Gibbous99%
Dec 5Full Moon100%
Dec 6Waning Gibbous98%
Dec 7Waning Gibbous93%
Dec 8Waning Gibbous86%
Dec 9Waning Gibbous77%
Dec 10Waning Gibbous68%
Dec 11Waning Gibbous58%
Dec 12Waning Crescent48%
Dec 13Waning Crescent38%
Dec 14Waning Crescent29%
Dec 15Waning Crescent21%
Dec 16Waning Crescent14%
Dec 17Waning Crescent8%
Dec 18Waning Crescent4%
Dec 19Waning Crescent1%
Dec 20New Moon0%
Dec 21Waxing Crescent1%
Dec 22Waxing Crescent4%
Dec 23Waxing Crescent9%
Dec 24Waxing Crescent15%
Dec 25Waxing Crescent23%
Dec 26Waxing Crescent32%
Dec 27Waxing Crescent43%
Dec 28Waxing Gibbous54%
Dec 29Waxing Gibbous65%
Dec 30Waxing Gibbous75%
Dec 31Waxing Gibbous85%
Moonrise and moonset where you are →

Born in December 2025?

Choose your birth date to see that day’s Moon in 3D and make a card you can share.

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