Looked at it and smiled lightly. Don’t pretend to understand if you don’t understand.
Birthday crosses do exist. For example, the twelfth lunar month of a certain year of the monkey is the leap month of August, and the beginning of spring is also celebrated at that time. It’s the beginning of spring in the Year of the Rooster. Then the twelfth lunar month of that year is January of the next year. There is a cross. Friends, if you don’t know, look more, ask more, and respect Chinese traditions.