MoonPhases

December 2026 · Thursday · in 3 months

31 December 2026

Last Quarter

43% illuminated and waning, 22.5 days into the lunar cycle.

The moon on 31 December 2026: Last Quarter, 43% illuminated

Ephemeris for 31 December 2026 at 12:00 UTC

Phase
Last Quarter
Illumination
42.8%
Lunar age
22.5 days
Elongation
278.4°
Distance
388,904 km
Distance (mi)
241,654 mi
Apparent size
30.7′
Constellation
Libra
Libration lat
5.6° N
Libration lon
7.4° 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
London00:4506:1011:2227.9°
New York00:3906:1511:4137.6°
Chicago00:3806:1111:3536.2°
Denver00:4806:2311:4938.1°
Los Angeles00:3606:1711:5143.6°
Mexico City01:0306:5912:5158.7°
São Paulo00:29 +106:2212:5576.8°
Berlin00:5006:1511:2627.1°

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

Phases around this date

PhaseDateTime (UTC)From this date
New Moon7 January 202720:25in 7 days
First Quarter15 January 202720:35in 15 days
Full Moon22 January 202712:17in 22 days
Last Quarter29 January 202710:56in 29 days