The Sun and the Moon, origins and evolution of the Calendars

Calendar: definition and name


Meaning, structure, types

the Week


Meaning of the week

the Month


Month: term and evolution

the Julian calendar


The Julian Calendar, the first common European calendar

the Gregorian calendar


The Gregorian calendar, the actual calendar

Numbers and dates


The first year
The first day in the year
The Easter's date


Credits & Navigation

Image: “The Almanac AD 1644”, the first book ever published in Norway, published by Tyge Nielssøn (1610-1687, Danish book printer )
Source: Wikimedia Commons




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