MoonPhases

August 2025 · Sunday · 1 year ago

31 August 2025

First Quarter

52% illuminated and waxing, 8.2 days into the lunar cycle.

The moon on 31 August 2025: First Quarter, 52% illuminated

Ephemeris for 31 August 2025 at 12:00 UTC

Phase
First Quarter
Illumination
52.4%
Lunar age
8.2 days
Elongation
92.6°
Distance
402,361 km
Distance (mi)
250,015 mi
Apparent size
29.7′
Constellation
Sagittarius
Libration lat
6.8° N
Libration lon
3.0° W

Moonrise and moonset

Times in each city's own time zone. A “+1” means the event falls on the following day — the lunar day is about 50 minutes longer than ours, so rise and set drift later each date.
CityMoonriseTransitMoonsetPeak altitude
London15:4419:0722:2610.0°
New York14:5219:1323:3220.5°
Chicago14:5419:1023:2319.3°
Denver14:5719:2223:4421.3°
Los Angeles14:3119:1600:00 +127.0°
Mexico City13:2918:5700:24 +141.8°
São Paulo11:1318:2000:3385.6°
Berlin15:5519:1122:229.0°

Somewhere else? The calculator works for any latitude and longitude, including your own.

Phases around this date

PhaseDateTime (UTC)From this date
Full Moon7 September 202518:09in 7 days
Last Quarter14 September 202510:33in 14 days
New Moon21 September 202519:54in 21 days
First Quarter29 September 202523:54in 29 days