20 18. 1 1 calendar

The dividing line between months is determined by festivals:

Lunar September: full moon (cold dew ~ beginning of winter)

October of the lunar calendar: the sea moon (beginning of winter ~ heavy snow)

2018165438+1October 7th is beginning of winter, just between two festivals.

20 18 beginning of winter time 2018110 month 19:3 1:39.

Conclusion:1October 7th 1 19: 3 1 was preceded by Ren Xuyue, followed by Gui Haiyue.

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