Question 1

What phase is the Moon in New York on April 20, 2027?

Accepted Answer

The Moon is Full Moon, 99% illuminated, on lunar day 15. It rises at 20:59 and sets at 06:36.

Question 2

What does 99% 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 April 20, 2027?

Accepted Answer

The Moon is above the horizon for about 9h 36m, from 20:59 to 06:36, reaching at 27° 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 April 20, 2027

Full Moon

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