Question 1

What phase is the Moon in New York on April 17, 2029?

Accepted Answer

The Moon is First Quarter, 50% illuminated, on lunar day 5. It rises at 08:52 and sets at 00:27.

Question 2

What does 50% 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 17, 2029?

Accepted Answer

The Moon is above the horizon for about 15h 35m, from 08:52 to 00:27, reaching at 74° 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 17, 2029

First Quarter

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