What do you mean by auspicious days?

The end of the year: refers to the day of conflict with the old times, which the ancients thought was unlucky. The ancient calendars in China adopted the methods of calendar year, calendar month, calendar day and calendar time. Twelve branches, such as Zi, Ugly, Yin, Mao, Chen, Si, Wu, Wei, Shen, You, Xu and Hai, indicate that the calendar year is too old, and the date of collision with Tai Sui is broken.

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There are six pairs of earthly branches, commonly known as "six reds", namely meridian, ugliness, yin, Shen, Mao, you, Chen, Xu, Si and Hai. For example, in the year of Jiazi, the son's old age was noon. If the day is noon, it will be broken, and so on, that is, the ugly year will be broken into the day, the cloudy year will be broken into the day, the old year will be broken into the day, the fourth year will be broken into the sea day, and the afternoon year will be broken into the child day, not the year.