In this small book you can get interesting information on " history " twelve months of the calendar - for example, find out what this or that month was called in Ancient Russia, what customs, traditions were associated with it, get acquainted with weather signs that were passed down from generation to generation by our ancestors - skillful farmers. This most valuable centuries-old folk experience, bit by bit collected together by the author, amateur collector, folklorist and phenologist Valery Mironov, can be useful to today's owners of household plots, fishermen, hunters, beekeepers and everyone who is not indifferent to nature.