On December 13, the Orthodox Church honors the memory of the Apostle Andrew the First-Called.
In the folk calendar, December 13 is St. Andrew the First-Called, St. Andrew's Day, St. Andrew's Night, St. Andrew the Fortune-teller, St. Andrew the Autumnal, St. Andrew the Winter.
According to folk signs, on this day you can find out what the winter will be like.
If the well is quiet, the winter will be mild; if the water is noisy, you need to prepare for frosts, storms and snowstorms.
Frost and sun on St. Andrew's Day mean a good harvest.
If a cat washes itself a lot, a cold snap is coming.
If the flame in the stove is red, there will be frost, if it is white, there will be a thaw.