Moon Phases August 2025
The full moon in August 2025 is the Sturgeon Moon, on Saturday, 9 August 2025, 07:55 UTC. The new moon is on Saturday, 23 August 2025, 06:07 UTC. The Moon starts the month as a First Quarter (50% lit) and ends it as a First Quarter (52% lit).
Principal phases
First Quarter
Friday, 1 August 2025, 12:42 UTC
Full Moon · Sturgeon Moon
Saturday, 9 August 2025, 07:55 UTC
Last Quarter
Saturday, 16 August 2025, 05:12 UTC
New Moon
Saturday, 23 August 2025, 06:07 UTC
First Quarter
Sunday, 31 August 2025, 06:25 UTC
Daily moon calendar
Phase and illumination at 12:00 UTC each day.
MonTueWedThuFriSatSun
1First Quarter50%
2First Quarter59%
3First Quarter68%
4Waxing Gibbous77%
5Waxing Gibbous85%
6Waxing Gibbous91%
7Full Moon96%
8Full Moon99%
9Full Moon100%
10Full Moon98%
11Waning Gibbous94%
12Waning Gibbous88%
13Waning Gibbous80%
14Waning Gibbous69%
15Last Quarter58%
16Last Quarter47%
17Last Quarter36%
18Waning Crescent25%
19Waning Crescent16%
20Waning Crescent9%
21New Moon4%
22New Moon1%
23New Moon0%
24New Moon2%
25Waxing Crescent5%
26Waxing Crescent11%
27Waxing Crescent17%
28Waxing Crescent25%
29First Quarter34%
30First Quarter43%
31First Quarter52%