Julian calendar, which is based on our present calendar system has been developed by a group of Alexandrian astronomers headed by Sozigenom and introduced by Julius Caesar from January 1, 45 BC. e.
Calendars at first were exclusively for the use of the imperial court and noblemen, but after the dawn of printed calendars, more and more people came to use them.
The Chinese calendar, commonly known as the Farmers' Calendar, or the Hsia Calendar, is a fascinatingly accurate system, which not only records the passage of time, but is also a tool for fortune-telling….
The ancient Bulgarian calendar is based on observations of Jupiter and the Sun and is more precise than the modern Western(Gregorian) calendar we use today.
Of note in these“Preparatory Reflections for the World Summit on Peace and Time” is the persistence of the thirteen moon calendar: Comte's Positivist calendar was derived from Tahiti.
What we know is that the calendar develops according to nine wave movements, where the longest one goes back to the birth of the universe, and they all differ from one another with a factor of twenty.
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