So, such a calendar was used in Ancient Russia, and in many European countries, and even in Ancient Egypt, and in Ancient Armenia. So it was widespread among many nations. It is worth knowing that under such a calendar it is customary to understand a calendar based on the tropical year. For example, before the Armenians, the New Year, according to such a calendar, came on the eleventh of August.
One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.