What idiom is this picture? Not a lucky star.

Juan da o' ri

[Interpretation] A good day that superstitions think is suitable for doing things.

[Language] "Yuan Qu Xuan Anonymous III": "He singled out this evil day in the underworld; I want to take this net seat; I exchanged auspicious days with him. "

[Pronunciation] Ji; It can't be pronounced "jι".

[Shape discrimination] Yellow; Can't write "Emperor".

This is an auspicious day.

[Usage] It has a positive meaning. A good day to do things. Generally used as an object.

[structure] is more formal.

[Example] Nowadays, self-employed people like to choose one to start a business. Especially for the number "8"; It's a little biased.