What is the auspicious day of the zodiac, and what does it mean?

The evil spirits in the underworld of the ecliptic are Qinglong, Baihu, Tang Ming, Tianxun, Suzaku, Jingui, Tiande, Yutang, Tiancang, Yuan Wu, Siming and Gouchen. This selection method calls Qinglong, Tiande, Yutang, Siming, Tang Ming and Jingui as six zodiac signs, and the so-called auspicious day of the ecliptic is the day when these six gods are located. The days when the Six Gods are on duty are called auspicious days, and there are also the underworld, such as construction, division, fullness, equality, determination, persistence, destruction, danger, success, acceptance, opening and closing.