These calendars have been dated to early as ca. 1100 BCE. By 500 BCE at the latest, the essentials were fully defined and functional. 260-day calendars are...

Aztec calendar Maya astronomy Maya calendar Maya codices Mesoamerican calendars The correlation between the Long Count and Western calendars is calculated...

subcontinent), Chinese calendars and Mesoamerican calendars. These are not specific calendars but series of historical calendars undergoing reforms or...

Mesoamerican calendars, sharing the basic structure of calendars from throughout the region. The Aztec sun stone, often erroneously called the calendar stone...

of the ritual Mesoamerican ballgame) Record keeping: use of two different calendars (a 260-day ritual calendar and a 365-day calendar based on the solar...

Mesoamerican calendar used by the Maya civilization of pre-Columbian Mesoamerica.[citation needed] The tzolkʼin, the basic cycle of the Maya calendar...

associated with the four Yearbearers in Mesoamerican calendars, and the directional colors and deities. Mesoamerican codices which have this association outlined...

In Mesoamerican mythology the Lords of the Night (Classical Nahuatl: Yohualtecuhtin) are a set of nine deities who each ruled over every ninth night forming...

common with other Mesoamerican calendars, had its origins in the Preclassic period. However, it was the Maya that developed the calendar to its maximum sophistication...

Hellenistic period they gave rise to the ancient Roman calendar and to various Hindu calendars. Calendars in antiquity were lunisolar, depending on the introduction...

Spanish: trece) is a 13-day period used in pre-Columbian Mesoamerican calendars. The 260-day Mayan calendar (the tonalpohualli) was divided into 20 trecenas....

Mesoamerican chronology divides the history of prehispanic Mesoamerica into several periods: the Paleo-Indian (first human habitation until 3500 BCE);...

least the 5th century BC. It shares many aspects with calendars employed by other earlier Mesoamerican civilizations, such as the Zapotec and Olmec and contemporary...

is now kept at the Museo Capitolino in Rome (approximate date). Mesoamerican calendars are developed by the Olmec civilisation Anaxagoras, Pre-Socratic...

xiuhpōhualli calendar (in history known as the "vague year" which means no leap day) had its antecedents in form and function in earlier Mesoamerican calendars, and...

365-day calendar. Some Mesoamerican calendars used a 365-day year with no leap year, resulting in a gradual shift of the seasons relative to the calendar. This...

Guipuscoan Basque. The Aztecs and Mayas used the Mesoamerican calendars. The most important of these calendars divided a ritual cycle of 260 days (known as...

with the four Year Bearers in Mesoamerican calendars and associated with the directional colors and deities. Mesoamerican codices which have this association...

Gregorian calendar. The Assamese Calendar incorporates the seven-day week as used by many other calendars. Manipuri calendar Tripuri calendar "Dictionary"...

calendars consists of 365 days, with a leap day being added to February in the leap years. The months and length of months in the Gregorian calendar are...

place in Mesoamerican folklore and myth since at least the Classic Period right through to modern times. A common belief across the Mesoamerican region...

(2013). The Ritual Practice of Time: Philosophy and Sociopolitics of Mesoamerican Calendars. Brill. pp. 282–84. ISBN 9789004252363. Yotzin, Akaxe (5 March 2013)...

these calendars are the Alexandrian calendar and the Ancient Macedonian calendar─which had two forms: the Syro-Macedonian and the 'Asian' calendars. Other...

Islamic lunar calendar. Lunar Hijri calendar Javanese calendar Most calendars referred to as "lunar" calendars are in fact lunisolar calendars. Their months...

the world where writing is thought to have developed independently. Mesoamerican scripts deciphered to date are a combination of logographic and syllabic...

– Full moon cycle – Galactic year – Great Year – Lunar phase – Mesoamerican calendars – Metonic cycle – Milankovitch cycles – Mira – Moon – Nutation –...

the basis of most Hindu calendars. Though there is little information about the social and cultural details of the solar calendars which were used in the...

Clemmensen, Mikkel Bøg; Helmke, Christophe (2023-06-08). Western Mesoamerican Calendars and Writing Systems: Proceedings of the Copenhagen Roundtable. Archaeopress...

year and the lunation. Calendars are explicit schemes used for timekeeping. The first historically attested and formulized calendars date to the Bronze Age...

The Mesoamerican Preclassic period began in about 2500 B. C. It dates from the probable date of the first Mesoamerican ceramics and lasted until around...