Chen Wunian's solar terms

1988-6-9, April 25th of the lunar calendar, the main branch: the second day of May 5th of Chen Wunian, correct.

The dividing point of trunk and branch is in solar terms, not in lunar months, and the dividing point of moon column is in solar terms of mango.

You think: the moon column of Chen Wunian in April is Ding Si, which is wrong. The moon column cannot be determined by the number of months in the lunar calendar.

The period of April in the year of Wuchen is (1988-5-5, the long summer solar term, on March 20th of the lunar calendar) to (1988-6-4, before the solar term, on April 20th of the lunar calendar).

Chen Wu's "May Day" time in a year is from (1988-6-5, the solar term of awn species, April 2 1 day of the lunar calendar) to (1988-7-7, before the solar term of light summer, May 23 of the lunar calendar).