Waning Gibbous


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Day of Lunar Cycle


Synodic Position

Between Opposition and Western Quadrature

Angle of Sun-Earth-Moon

The Moon is between 90° and 180° ahead or west of the Sun

Illuminated side

Mostly-turned toward Earth

Near side

Mostly illuminated

Overlap between near side and illuminated side

More than half, less than total

Proportion of whole Moon that is both illuminated and near

Between 25 and 50%

Which part of the near side is illuminated?

Eastward or Left side (facing south)

Where visible at sunset?

Not visible; beneath eastern horizon. Rises after sunset, appearing later each night.

Where visible at midnight?

Between overhead and the eastern horizon, becoming ever lower each night

Where visible at sunrise?

Between overhead and the western horizon, becoming ever higher each morning. Sets between sunrise and noon.

Where visible at noon?

Not visible; has just set beneath western horizon

Meridian Transit

Between midnight and sunrise

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