The way we handle the calendar allows us to understand the great influence that Christianity has had on culture, especially in the West, that is, Europe and America. Although there are other calendars, the official one is the Western calendar. This cultural influence is due to the fact that Christianity has been practically the only religion in Europe, as well as in many countries of the Mediterranean and the Middle East, from at least the 4th century to the present. In the 15th century, it arrived with the conquerors in America
