20 18. 1 1 car calendar

The dividing line between months is determined by festivals:

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

October of the lunar calendar: Hai Yue (beginning of winter ~ heavy snow)

10 7 is beginning of winter, just between two festivals.

Beginning of winter time 201811710/9: 31:39.

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

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