Question 1

What phase is the Moon in New York on December 30, 2025?

Accepted Answer

The Moon is Waxing Gibbous, 89% illuminated, on lunar day 12. It rises at 13:38 and sets at 05:41.

Question 2

What does 89% 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 30, 2025?

Accepted Answer

The Moon is above the horizon for about 16h 4m, from 13:38 to 05:41, reaching at 76° 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 30, 2025

Waxing Gibbous

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