|
Day of Lunar Cycle |
22 |
|
Synodic Position |
Western Quadrature |
|
Angle of Sun-Earth-Moon |
The Moon lies exactly 90° ahead or to the west of the Sun |
|
Illuminated side |
Half-turned away from Earth |
|
Near side |
Half dark, half light (often called a "half moon") |
|
Overlap between near side and illuminated side |
Half |
|
Proportion of whole Moon that is both illuminated and near |
25% (therefore a "quarter moon"). |
|
Which part of the near side is illuminated? |
Eastward or Left side (facing south) |
|
Where visible at sunset? |
Not visible; near one's nadir. |
|
Where visible at midnight? |
Rising in the east. |
|
Where visible at sunrise? |
High overhead in the south, crossing the meridian |
|
Where visible at noon? |
Setting in the west. |
|
Meridian Transit |
Sunrise |