SettingsObsolete calendars
Ancient Macedonian calendar
The Ancient Macedonian calendar is a lunisolar calendar that was in use in ancient Macedon in the 1st millennium BC. It consisted of 12 synodic lunar months (i.e.
The Ancient Macedonian calendar is a lunisolar calendar that was in use in ancient Macedon in the 1st millennium BC. It consisted of 12 synodic lunar months (i.e.
Attic calendar
The Attic calendar is a hellenic calendar that was in use in ancient Attica, the ancestral territory of the Athenian polis.
The Attic calendar is a hellenic calendar that was in use in ancient Attica, the ancestral territory of the Athenian polis.
Aztec calendar
The Aztec calendar is the calendar system that was used by the Aztecs as well as other Pre-Columbian peoples of central Mexico.
The Aztec calendar is the calendar system that was used by the Aztecs as well as other Pre-Columbian peoples of central Mexico.
Babylonian calendar
The Babylonian calendar was a lunisolar calendar with years consisting of 12 lunar months, each beginning when a new crescent moon was first sighted low on the western horizon at sunset, plus an...
The Babylonian calendar was a lunisolar calendar with years consisting of 12 lunar months, each beginning when a new crescent moon was first sighted low on the western horizon at sunset, plus an...
Bulgar calendar
The Bulgar calendar was a calendar system used by the Bulgars, a seminomadic people, originally from Central Asia, who from the 2nd century onwards dwelled in the Eurasian steppes north of the ...
The Bulgar calendar was a calendar system used by the Bulgars, a seminomadic people, originally from Central Asia, who from the 2nd century onwards dwelled in the Eurasian steppes north of the ...
Cham calendar
The Cham calendar is a lunar calendar used by the Cham people of Vietnam since ancient times.
The Cham calendar is a lunar calendar used by the Cham people of Vietnam since ancient times.
Coligny calendar
The Gaulish Coligny calendar was found in Coligny, Ain, France near Lyon in 1897, along with the head of a bronze statue of a youthful male figure.
The Gaulish Coligny calendar was found in Coligny, Ain, France near Lyon in 1897, along with the head of a bronze statue of a youthful male figure.
Florentine calendar
The Florentine calendar was used in Italy in the Middle Ages.
The Florentine calendar was used in Italy in the Middle Ages.
French Republican Calendar
The French Republican Calendar or French Revolutionary Calendar was a calendar created and implemented during the French Revolution, and used by the French government for about 12 years fr...
The French Republican Calendar or French Revolutionary Calendar was a calendar created and implemented during the French Revolution, and used by the French government for about 12 years fr...
Germanic calendar
The Germanic calendars were the regional calendars used amongst the early Germanic peoples, prior to the adoption of the Julian calendar in the Early Middle Ages.
The Germanic calendars were the regional calendars used amongst the early Germanic peoples, prior to the adoption of the Julian calendar in the Early Middle Ages.
Hellenic calendars
The Hellenic calendar— or more properly, the Hellenic calendars, for there was no uniform calendar imposed upon all of Classical Greece— began in most Greek states between Autu...
The Hellenic calendar— or more properly, the Hellenic calendars, for there was no uniform calendar imposed upon all of Classical Greece— began in most Greek states between Autu...
Maya calendar
The Maya calendar is a system of calendars used in pre-Columbian Mesoamerica, and in many modern communities in highland Guatemala and in Veracruz, Oaxaca and Chiapas, Mexico.
The Maya calendar is a system of calendars used in pre-Columbian Mesoamerica, and in many modern communities in highland Guatemala and in Veracruz, Oaxaca and Chiapas, Mexico.
Mesoamerican Long Count calendar
The Mesoamerican Long Count calendar is a non-repeating, vigesimal (base-20) and base-18 calendar used by several Pre-Columbian Mesoamerican cultures, most notably the Maya.
The Mesoamerican Long Count calendar is a non-repeating, vigesimal (base-20) and base-18 calendar used by several Pre-Columbian Mesoamerican cultures, most notably the Maya.
Pentecontad calendar
The Pentecontad Calendar is a unique agricultural calendar system thought to be of Amorite origin in which the year is broken down into seven periods of fifty days ( total of 350 days ), with an...
The Pentecontad Calendar is a unique agricultural calendar system thought to be of Amorite origin in which the year is broken down into seven periods of fifty days ( total of 350 days ), with an...
Primstav
The Runic calendar is a perpetual calendar based on the 19 year long Metonic cycle of the Moon.
The Runic calendar is a perpetual calendar based on the 19 year long Metonic cycle of the Moon.
Runic calendar
The Runic calendar is a perpetual calendar based on the 19 year long Metonic cycle of the Moon.
The Runic calendar is a perpetual calendar based on the 19 year long Metonic cycle of the Moon.
Soviet calendar
The Soviet calendar added five- and six-day work weeks between 1929 and 1940 to the Gregorian calendar adopted by Russia in 1918.
The Soviet calendar added five- and six-day work weeks between 1929 and 1940 to the Gregorian calendar adopted by Russia in 1918.
Swedish calendar
The Swedish Calendar was a calendar in use in Sweden and its possessions from 1 March 1700 until 30 February 1712; it was one day ahead of the Julian calendar and ten days behind the Gregorian ...
The Swedish Calendar was a calendar in use in Sweden and its possessions from 1 March 1700 until 30 February 1712; it was one day ahead of the Julian calendar and ten days behind the Gregorian ...
Tonalpohualli
The tonalpohualli, a Nahuatl word meaning "count of days", is a 260-day sacred period (often termed a "year") in use in pre-Columbian Mesoamerica, especially among the Aztecs.
The tonalpohualli, a Nahuatl word meaning "count of days", is a 260-day sacred period (often termed a "year") in use in pre-Columbian Mesoamerica, especially among the Aztecs.
Xiuhpohualli
The Xiuhpohualli was a 365-day calendar used by the Aztecs and other pre-Columbian Nahua peoples in central Mexico.
The Xiuhpohualli was a 365-day calendar used by the Aztecs and other pre-Columbian Nahua peoples in central Mexico.