Do I need to check the date when I dismantle the stove?

No need. Personally, I think that looking at the sky is a feudal superstition and has no scientific basis.

As early as 2000 years ago, Confucius opposed superstitious behavior: "Zi does not talk about Machamp's confusion." See the Analects of Confucius.

This problem is not easily accepted by rural people. Chairman Mao has long said: "The serious problem is to educate farmers."