Is it necessary to define the sacred heart of the sun and moon in the church on a fixed day and the sacred heart of the sun and moon in the church on a dangerous day?

The specific steps of choosing a date for marriage are as follows:

The first step is to determine the day of the underworld. White tiger, natural punishment, Suzaku, Tianlong, Xuanwu and Gouchen are the evil days of the six underworld groups in the Huangli calendar. Qinglong, Tiande, Yutang, Siming, Tang Ming and Jingui are auspicious days in the Gregorian calendar. Click this to display and determine the ecliptic day.

The second step is to determine the day of the underworld according to the melody of "Building Twelve Gods". In the yellow calendar, except for the day, dangerous day, fixed day, holding day, becoming day and opening day are auspicious; In the Gregorian calendar, there are fierce days, full days, weekdays, broken days, closed days and closed days. Click here to screen the day selected in the first step for the second time and determine the ecliptic day.

The third step, according to the records about marriage in Volume 10 of Xieji Compilation, choose "Tiande, Yuede, Tiandehe, Yuedehe, Tianfu Gineys, Tian Yue, Sanhe, Tianxi, Liuhe and Bujiang" appropriately. Avoid choosing: "moon breaks, weekdays, closed days, robbery, disasters, evil moons, monthly punishment, fatigue moons, five tombs, disasters moons, big hours, heavenly officials, four wastes, four taboos, four poverty, five separation, eight specialties, aversion to power and sea days". Click here to filter the dates selected in the second step for the third time and determine the final ecliptic day.

After the above three steps, the last day left is the best wedding day.

Yes, there is no problem at all.