What do you mean by auspicious day?

Generally refers to a good day for traveling or doing business.

"auspicious day on the ecliptic" is a unique word in the yellow calendar, which refers to a day when everything is fine. It was formulated by the ancients according to the law of the influence of celestial bodies on human beings. The ecliptic is a term in astronomy (that is, the earth's orbit around the sun). There are twelve evil spirits in the zodiac, namely Qinglong, Baihu, Tang Ming, Tianxun, Suzaku, Jingui, Tiande, Yutang, Tianlong, Xuanwu, Siming and Gouchen.

In the Yellow Calendar, White Tiger, Heaven Punishment, Suzaku, Tianlong, Xuanwu and Gouchen are called the six underworld, and it is believed that misfortune will lead to catastrophe. Qinglong, Tang Ming, Jingui, Tiande, Yutang and Siming are collectively called the six zodiac signs, and the so-called "auspicious day of the zodiac" is the day when these six gods are located. On this day, Pepsi was lucky and everything went well.