The Lower Sine Moon occurs on the twenty-second and twenty-third days of each month of the lunar calendar, and is called the "Lower Sine" because you can only see the eastern half-circle of the moon.

The Lower Moon occurs in the eastern sky during the second half of the second half of the lunar month, when the moon faces east and appears just before sunrise.

The principle of formation: the sun, the earth, the moon is in a certain position, just remember: "on the top of the upper west west, under the lower east east"

meaning: the first half of the moon in the first half of the first half of the night, appeared in the western half of the sky, the western half of the bright.

The lower half of the moon occurs in the second half of the second half of the moon, in the eastern half of the sky, and the eastern half is bright.

The first half of the moon is usually the first seven or eight days of the month, and the second half of the moon is the twenty-second and twenty-third days of the lunar calendar.

The first half of the moon is usually on the seventh and eighth day of the lunar month.