Question 1

What phase is the Moon in New York on December 18, 2026?

Accepted Answer

The Moon is Waxing Gibbous, 75% illuminated, on lunar day 11. It rises at 12:47 and sets at 03:17.

Question 2

What does 75% illumination mean?

Accepted Answer

The share of the Moon's visible disc that is lit by the Sun. 0% is new moon and 100% is full moon. Illumination changes fastest near the quarters and slowest near new and full moon.

Question 3

When can the Moon be seen on December 18, 2026?

Accepted Answer

The Moon is above the horizon for about 14h 30m, from 12:47 to 03:17, reaching at 66° at culmination.

Question 4

How accurate is this moon data?

Accepted Answer

Phase, illumination and moon events are computed from astronomical ephemerides for the city's coordinates and timezone. Moonrise and moonset also depend on the local horizon and elevation.

Moon phase for December 18, 2026

Waxing Gibbous

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