← 2025 Moon phase calendar

A MONTH OF WAXING AND WANING LIGHT

August 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

First Quarter
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 August 2025, at 03:00 UTC each day
DateMoonPhaseIllumination
Aug 1Waxing Crescent46%
Aug 2Waxing Gibbous56%
Aug 3Waxing Gibbous65%
Aug 4Waxing Gibbous74%
Aug 5Waxing Gibbous82%
Aug 6Waxing Gibbous89%
Aug 7Waxing Gibbous94%
Aug 8Waxing Gibbous98%
Aug 9Full Moon100%
Aug 10Waning Gibbous99%
Aug 11Waning Gibbous96%
Aug 12Waning Gibbous91%
Aug 13Waning Gibbous83%
Aug 14Waning Gibbous73%
Aug 15Waning Gibbous63%
Aug 16Waning Gibbous51%
Aug 17Waning Crescent40%
Aug 18Waning Crescent29%
Aug 19Waning Crescent19%
Aug 20Waning Crescent11%
Aug 21Waning Crescent5%
Aug 22Waning Crescent2%
Aug 23New Moon0%
Aug 24Waxing Crescent1%
Aug 25Waxing Crescent4%
Aug 26Waxing Crescent8%
Aug 27Waxing Crescent15%
Aug 28Waxing Crescent22%
Aug 29Waxing Crescent30%
Aug 30Waxing Crescent39%
Aug 31Waxing Crescent49%
Moonrise and moonset where you are →

Born in August 2025?

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

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