What do you mean, "Don't use it when the daily value is dead"?

"If the daily value is dead, don't use it for big things" is a sign, which means that everything is full today. One more point will pass and nothing is appropriate. Don't do anything important on this day

From the Yellow Calendar, based on the China lunar calendar, it is a perpetual calendar with good fortune and bad luck. According to legend, the yellow calendar was created by Xuanyuan Huangdi, so it is called the yellow calendar. The main content of the Gregorian calendar is the 24 solar terms, as well as daily taboos, branches, values, stars, moon phases, good or bad luck and so on.

In ancient times, extended information was calculated and published by Qin, so it was also called the imperial calendar. Its content knows the time of farmers' farming, so it is also called farmers' calendar. Folk commonly known as the general book. However, because the word "book" and "lose" in Tongshu are homophonic, it is also called "Tong Sheng" because of taboo. The solar calendar is based on the lunar calendar in China, and there are many calendars indicating the good or bad of a day. The main contents of the Gregorian calendar are the schedule of the 24 solar terms, the good and bad luck of each day, and the luck of the zodiac.

In China, there was an almanac in the Qin Dynasty at the latest as a guide to people's lives. Before the Western Han Dynasty, China used six ancient calendars, namely, the emperor calendar, the summer calendar, the lunar calendar, the weekly calendar and the Lv calendar.