← 2040 Moon phase calendar

A MONTH OF WAXING AND WANING LIGHT

December 2040 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

New Moon
First Quarter
Full Moon
Last 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 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 2040, at 03:00 UTC each day
DateMoonPhaseIllumination
Dec 1Waning Crescent12%
Dec 2Waning Crescent6%
Dec 3Waning Crescent2%
Dec 4New Moon0%
Dec 5Waxing Crescent1%
Dec 6Waxing Crescent5%
Dec 7Waxing Crescent11%
Dec 8Waxing Crescent19%
Dec 9Waxing Crescent30%
Dec 10Waxing Crescent41%
Dec 11Waxing Gibbous52%
Dec 12Waxing Gibbous63%
Dec 13Waxing Gibbous73%
Dec 14Waxing Gibbous82%
Dec 15Waxing Gibbous89%
Dec 16Waxing Gibbous94%
Dec 17Waxing Gibbous98%
Dec 18Full Moon100%
Dec 19Full Moon100%
Dec 20Waning Gibbous97%
Dec 21Waning Gibbous94%
Dec 22Waning Gibbous88%
Dec 23Waning Gibbous82%
Dec 24Waning Gibbous74%
Dec 25Waning Gibbous65%
Dec 26Waning Gibbous56%
Dec 27Waning Crescent46%
Dec 28Waning Crescent36%
Dec 29Waning Crescent26%
Dec 30Waning Crescent18%
Dec 31Waning Crescent10%
Moonrise and moonset where you are →

Born in December 2040?

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

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