Mexico Dates and Calendars


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Background

Mesoamerican Calendars (Pre-colonial Era)

  • Complex Systems: Ancient civilizations like the Olmecs, Mayans, and Aztecs developed sophisticated calendars based on astronomical observations and mathematical calculations.[1]
  • Dual Calendars: Mesoamerican cultures used two interlinked calendars:
    • Xiuhpohualli: A 365-day solar calendar primarily for agriculture and seasons.[2]
    • Tonalpohualli: A 260-day sacred calendar for rituals and divination.[3]

Spanish Colonial Period (16th - 19th centuries)

  • Imposition of the Julian Calendar: The Spanish conquest brought the Julian calendar, which gradually overlaid the indigenous calendrical systems.[4]
  • Adaptation of Christian Holidays: The Julian calendar was adapted to include Christian festivals and holidays significant to the Catholic Church in Mexico.[5]

Adoption of the Gregorian Calendar (16th century)

  • Mexico, as part of the viceroyalty of New Spain, adopted the Gregorian calendar reform initiated by Pope Gregory XIII in the 16th century. While the exact date of widespread use across the entire viceroyalty is not definitively established, historical records show its implementation within the 16th century, aligning with Spain's adoption of the reform.[6]

References

  1. Miller, Mary, and Karl Taube. An Illustrated Dictionary of the Gods and Symbols of Ancient Mexico and the Maya. Thames & Hudson, 1993.
  2. Miller, Mary, and Karl Taube. An Illustrated Dictionary of the Gods and Symbols of Ancient Mexico and the Maya. Thames & Hudson, 1993.
  3. Miller, Mary, and Karl Taube. An Illustrated Dictionary of the Gods and Symbols of Ancient Mexico and the Maya. Thames & Hudson, 1993.
  4. Susan Schroeder, and Richard T. Hanner. The Transformation of Maya Civilization: Archaeology and Ethnohistory of the Yucatan Peninsula. University Press of Florida, 2009.
  5. Susan Schroeder, and Richard T. Hanner. The Transformation of Maya Civilization: Archaeology and Ethnohistory of the Yucatan Peninsula. University Press of Florida, 2009.
  6. Susan Schroeder, and Richard T. Hanner. The Transformation of Maya Civilization: Archaeology and Ethnohistory of the Yucatan Peninsula. University Press of Florida, 2009.