← 1931 Moon phase calendar

A MONTH OF WAXING AND WANING LIGHT

January 1931 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 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 January 1931, at 03:00 UTC each day
DateMoonPhaseIllumination
Jan 1Waxing Gibbous86%
Jan 2Waxing Gibbous92%
Jan 3Waxing Gibbous97%
Jan 4Full Moon100%
Jan 5Full Moon99%
Jan 6Waning Gibbous96%
Jan 7Waning Gibbous91%
Jan 8Waning Gibbous83%
Jan 9Waning Gibbous73%
Jan 10Waning Gibbous62%
Jan 11Waning Gibbous51%
Jan 12Waning Crescent40%
Jan 13Waning Crescent30%
Jan 14Waning Crescent21%
Jan 15Waning Crescent13%
Jan 16Waning Crescent7%
Jan 17Waning Crescent3%
Jan 18New Moon1%
Jan 19New Moon0%
Jan 20Waxing Crescent2%
Jan 21Waxing Crescent5%
Jan 22Waxing Crescent10%
Jan 23Waxing Crescent16%
Jan 24Waxing Crescent24%
Jan 25Waxing Crescent32%
Jan 26Waxing Crescent42%
Jan 27Waxing Gibbous51%
Jan 28Waxing Gibbous61%
Jan 29Waxing Gibbous71%
Jan 30Waxing Gibbous80%
Jan 31Waxing Gibbous88%
Moonrise and moonset where you are →

Born in January 1931?

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

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