How to calculate the date of the baby's full moon feast?

Medically, a baby born within 28 days is a newborn.

The 29th day is the baby (equivalent to the full moon).

There are generally two kinds of folk algorithms.

1, according to the lunar calendar to the next month, the date of the baby's birth, such as the second day of February and the full moon of the second day of March.

2, more is to make a full moon according to the integer 30 days, and the full moon wine is generally selected for children for 30 days.

Calculated as a full moon.

My family just turned full last week, and I hope I can help you.

I wish the baby a healthy growth, brilliant and beautiful.