September 28, 2021
Last quarter moon occurs today at 8:57 pm. You can find the Moon rising in the northeast at 11:30 pm. The line that separates day and night on the Moon is called the terminator. Along the terminator is where you will find the best details of lunar features.
View of a last quarter moon. The line that separates night and ay on the lunar surface is called the terminator. Image credit: NASA, SVS, Ernie Wright.