On October 13, the Orthodox Church honors the memory of the first Metropolitan of Kyiv, Michael, and the holy martyr Gregory the Illuminator.
In the folk calendar, October 13 is Mikhail Solomenny, Solomennik, Gregory and Mikhail, Gregory's Day.
According to folk signs, on St. Gregory's Day you can make a weather forecast for the winter.
Weather signs for October 13
If the cranes have flown away by St. Gregory's Day, the winter promises to be frosty.
If there are a lot of nuts and no mushrooms, the winter will be harsh and snowy.
Thunder in October foretells a short and low-snow winter.
If a squirrel builds its house high in a tree, the winter will be mild; if it builds its house low in a tree, the winter will be cold.
