What shape is the moon tonight?

The moon is full tonight. Today is March 30th, the ninth day of the second lunar month. If the weather is fine, there is a chance to see the moon.

The moon phase is calculated by the degree difference between the sun, the moon and the longitude of the Yellow River, and * * * is divided into the following categories:

New moon (the first day of the lunar calendar, that is, the new moon): 0 degrees.

The waning moon (usually from the second day to the seventh day of the second lunar month): 0 to 90 degrees.

First quarter moon (around the eighth day of the lunar calendar): 90 degrees.

Full moon (9th to 14th day of the 9th lunar month): 90 degrees to 180 degrees.

Full moon (full moon, around 15th or 16th lunar month): 180 degrees.

Lunar calendar (about 16 to 23): 180 degrees to 270 degrees.