Question 1

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

Accepted Answer

The Moon is Full Moon, 98% illuminated, on lunar day 15. It rises at 21:55 and sets at 06:44.

Question 2

What does 98% 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 May 20, 2027?

Accepted Answer

The Moon is above the horizon for about 8h 48m, from 21:55 to 06:44, reaching at 22° 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 May 20, 2027

Full Moon

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