← 1931 Moon phase calendar

A MONTH OF WAXING AND WANING LIGHT

September 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

Last Quarter
New Moon
First Quarter
Full Moon

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 September 1931, at 03:00 UTC each day
DateMoonPhaseIllumination
Sep 1Waning Gibbous86%
Sep 2Waning Gibbous79%
Sep 3Waning Gibbous71%
Sep 4Waning Gibbous62%
Sep 5Waning Gibbous52%
Sep 6Waning Crescent42%
Sep 7Waning Crescent32%
Sep 8Waning Crescent22%
Sep 9Waning Crescent13%
Sep 10Waning Crescent6%
Sep 11Waning Crescent2%
Sep 12New Moon0%
Sep 13Waxing Crescent1%
Sep 14Waxing Crescent6%
Sep 15Waxing Crescent13%
Sep 16Waxing Crescent21%
Sep 17Waxing Crescent32%
Sep 18Waxing Crescent42%
Sep 19Waxing Gibbous53%
Sep 20Waxing Gibbous63%
Sep 21Waxing Gibbous73%
Sep 22Waxing Gibbous81%
Sep 23Waxing Gibbous88%
Sep 24Waxing Gibbous94%
Sep 25Waxing Gibbous97%
Sep 26Full Moon100%
Sep 27Full Moon100%
Sep 28Waning Gibbous98%
Sep 29Waning Gibbous95%
Sep 30Waning Gibbous91%
Moonrise and moonset where you are →

Born in September 1931?

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

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