Waxing · 52.4% lit · ♐︎ Sagittarius 10°
First Quarter at
06:25UTC
Moon phase on August 31, 2025First Quarter
On Sunday, August 31, 2025, the Moon was a First Quarter: 52.4% of its visible face lit, 8.2 days after the new moon and growing each night. The exact First Quarter happened at .
52.4%Illumination at noon UTC
8.2 dMoon age
402,361 km250,015 mi from Earth
♐︎ SagittariusMoon sign (11°)
29.7′Apparent size (arcmin)
WaxingLit on the right (N. Hemisphere)
Nearest moon phases
The nearest full moon to August 31, 2025 is on Sunday, September 7, 2025 at 18:09 UTC, 7 days later, and the nearest new moon is on Saturday, August 23, 2025 at 06:07 UTC, 8 days earlier.
| Phase | Date | Time (UTC) |
|---|---|---|
| New Moon (before) | Saturday, August 23, 2025 | 06:07 |
| First Quarter (this day) | Sunday, August 31, 2025 | 06:25 |
| Full Moon (after) | Sunday, September 7, 2025 | 18:09 |
The Moon around August 31
More about this date
Sunday, August 31, 2025 falls in the lunar cycle that runs from the new moon of August 23, 2025 to the new moon of September 21, 2025, a cycle of 29.57 days.
- See every phase of the month in the moon phases in August 2025, or the whole moon calendar 2025.
- The same date one year apart: 2024 · 2026.
- Born on this day? The moon phase on your birthday tool adds your birth time and your moon sign.
- Phases change by time zone: this page uses Coordinated Universal Time (UTC). Learn how to read the phases of the moon.