How about getting married at the autumnal equinox?
The autumnal equinox is the harvest season of crops, which symbolizes hard work and good harvest. Getting married in this season can combine the harvest of crops with marriage, which shows that marriage symbolizes the combination of two people. When newlyweds get married at the autumnal equinox, they can combine love with harvest, which shows that love is as sweet and mature as harvest.
At the same time, marriage at the autumnal equinox can also be integrated with natural elements, so that new people can feel the beauty of nature more. For example, holding a wedding outdoors can make the couple closer to nature; Or learn from the traditional autumnal equinox ceremony, such as offering sacrifices or lighting bonfires, to make the wedding more solemn and mysterious.
Solemnly declare: the answer is for reference only, please don't be blindly superstitious.