On October 9, the Orthodox Church remembers the Apostle and Evangelist John the Theologian.
In the folk calendar, October 9 is Ivan the Theologian, Ivan the Traveler, and the Intercessory Whisperer.
According to folk signs on Ivan the Theologian, you can find out whether to expect a cold snap and whether winter will come soon.
Heavy leaf fall foretells a cold snap and the imminent arrival of winter.
If the rooks have flown away by this day, snow will soon fall.
If the weather is good on Ivan the Theologian's Day, June will be rainy and cold.
If it rains and snows on Ivan the Traveler's Day, there will be three thaws in January.