MoonPhases

August 2026 · Thursday · 28 days ago

20 August 2026

First Quarter

54% illuminated and waxing, 7.8 days into the lunar cycle.

The moon on 20 August 2026: First Quarter, 54% illuminated

Ephemeris for 20 August 2026 at 12:00 UTC

Phase
First Quarter
Illumination
53.8%
Lunar age
7.8 days
Elongation
94.2°
Distance
402,530 km
Distance (mi)
250,121 mi
Apparent size
29.7′
Constellation
Sagittarius
Libration lat
6.9° N
Libration lon
3.5° E

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
London15:3519:1122:4111.4°
New York14:4919:1723:4121.8°
Chicago14:5119:1323:3220.5°
Denver14:5419:2523:5222.6°
Los Angeles14:3019:2000:08 +128.3°
Mexico City13:3019:0100:30 +143.1°
São Paulo11:2118:2300:3487.0°
Berlin15:4619:1522:3910.5°

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

Phases around this date

PhaseDateTime (UTC)From this date
Full Moon28 August 202604:19in 8 days
Last Quarter4 September 202607:51in 15 days
New Moon11 September 202603:27in 22 days
First Quarter18 September 202620:44in 29 days