Day of Lunar Cycle |
10-12 |
Synodic Position |
Between Eastern Quadrature and Opposition |
Angle of Sun-Earth-Moon |
The Moon is falling between 90° and 180° behind (eastward) 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? |
Westward or Right side (facing south) |
Where visible at sunset? |
Between overhead and the eastern horizon, becoming ever lower in east |
Where visible at midnight? |
Between overhead and the western horizon, becoming ever higher each night |
Where visible at sunrise? |
Not visible; beneath western horizon |
Where visible at noon? |
Not visible; rises in the east in the evening before sunset |
Meridian Transit |
Between sunset and midnight |