Why couples have always chosen the day
For centuries, Chinese families did not leave the wedding day to chance. Before a couple was married, an elder or a master would 择日 (zé rì), choose the day, by reading both partners' birth charts and the energy of the year. A good day was believed to carry the marriage forward with harmony, smoothness and blessing. A poor day, one that clashed with the couple, was quietly avoided.
This was never superstition. It was a way of showing care. The day you begin a marriage sets a tone, and our ancestors wanted that tone to start on the right note, with the elements in agreement rather than in conflict.
Today, much of this has been reduced to picking a "lucky number" date or whatever the almanac shows for everyone. But a wedding date pulled from a generic calendar does not know who you are. It does not know your chart, your partner's chart, or the year you are stepping into together.
Yuanfen brings the real tradition back. Your date is selected the proper way, from both of your charts read together, so the day truly belongs to the two of you, not to a calendar everyone shares.