On November 20, the Orthodox Church honors the memory of the holy martyr Theodotus of Melitina.
In the folk calendar, November 20 is Fedotov Day, Fedot Ledostav.
According to folk signs, on Fedotov's Day you can determine whether the winter will be harsh.
Weather signs for November 20
If rivers and streams are covered with ice, the winter will be harsh.
If crows scream loudly, you should expect snowfall.
If it snows on Fedotov's Day, there will be a strong flood in the spring.
If snow falls on wet ground, there will be a large harvest of rye.
For reference
A sign is a stable connection between two phenomena of objective reality, one of which is understood as a sign, and the second as its interpretation, usually in the form of a forecast for the future; a linguistic (in the form of an aphorism, paremia) representation of this connection.