How to Use the Suitable-and-Avoid Entries of a Huangli: Why Two Almanacs Disagree
The suitable-and-avoid entries of a huangli form part of the date-selection tradition, and different editions of the almanac were never consistent with one another, so a single day reading both "suitable for marriage" and "avoid marriage" is nothing unusual. The steady way to use a huangli is as a reference calendar rather than as the basis for a decision.