How to explain the word "Great Yellow Road Day" in Jin Kui?

In the almanac, it was the ecliptic that met Qinglong, Tang Ming, Jingui, Tiande, Yutang and Siming Liushen. People often say that the ecliptic is auspicious. On this auspicious day, people can break ground to build houses, get married, start businesses and other activities, so it is called Da 'an ecliptic Day. On the contrary, Mafia Day is an unlucky day, and it is not suitable for holding major events.