What is behind the moon that I didn't see on the first day and the second day?

There is no moon in the first day and the second day?

Grade three, grade four, the first month?

Sickle the moon on the fifth and sixth day?

The eighth day of August 7th.

The ninth day, the first half.

1 1 month-1February semicircle

13, 14 full moon at the beginning of the year?

What is the roundest in May and June?

Seventeen and eighteen months after dinner

1920 Sleep Month

On the first day of each month in the lunar calendar, when the moon moves between the sun and the earth, the moon faces the earth with its dark side and rises and falls with the sun, so people can't see it.

At this time, the moon phase is called "New Moon" or "Shuoyue", and this day is also called "Shuori". People can't see the "new moon", which means they can't see the new moon.

After the new moon, the moon runs in the direction of the earth's rotation, and the bright areas gradually turn to the earth, and a trace of thinness can be seen on the earth. ...