1998 why is the full moon on August 25th of the lunar calendar?

1998 The 25th day of the eighth lunar month is the moon. Because the moon is the August of the lunar calendar, the August of the lunar calendar is also called the moon. The moon is a traditional calendar, and the lunar calendar is a kind of yin-yang calendar, which is often mistakenly called the lunar calendar among the people, and the lunar calendar belongs to the combination of yin and yang.