MoonPhases

December 2026 · Thursday · in 3 months

17 December 2026

First Quarter

53% illuminated and waxing, 8.5 days into the lunar cycle.

The moon on 17 December 2026: First Quarter, 53% illuminated

Ephemeris for 17 December 2026 at 12:00 UTC

Phase
First Quarter
Illumination
52.8%
Lunar age
8.5 days
Elongation
93.1°
Distance
388,473 km
Distance (mi)
241,386 mi
Apparent size
30.7′
Constellation
Pisces
Libration lat
3.9° S
Libration lon
7.8° 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
London11:5518:1700:55 +141.6°
New York11:5818:2100:55 +153.8°
Chicago11:5318:1700:53 +152.9°
Denver12:0518:2901:04 +155.3°
Los Angeles12:0118:2300:55 +161.3°
Mexico City12:4819:0500:3375.8°
São Paulo12:2318:2800:28 +161.4°
Berlin12:0018:2100:59 +140.4°

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

Phases around this date

PhaseDateTime (UTC)From this date
Full Moon24 December 202601:28in 7 days
Last Quarter30 December 202619:00in 13 days
New Moon7 January 202720:25in 21 days
First Quarter15 January 202720:35in 29 days