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  2. History of calendars - Wikipedia

    en.wikipedia.org/wiki/History_of_calendars

    The Akan Calendar is a Calendar created by the Akan people (a Kwa group of West Africa) who appear to have used a traditional system of timekeeping based on a six-day week (known as nnanson "seven-days" via inclusive counting). The Gregorian seven-day week is known as nnawɔtwe (eight-days). The combination of these two system resulted in ...

  3. List of calendars - Wikipedia

    en.wikipedia.org/wiki/List_of_calendars

    This is a list of calendars.Included are historical calendars as well as proposed ones. Historical calendars are often grouped into larger categories by cultural sphere or historical period; thus O'Neil (1976) distinguishes the groupings Egyptian calendars (Ancient Egypt), Babylonian calendars (Ancient Mesopotamia), Indian calendars (Hindu and Buddhist traditions of the Indian subcontinent ...

  4. Timeline of ancient history - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_ancient_history

    The date used as the end of the ancient era is arbitrary. The transition period from Classical Antiquity to the Early Middle Ages is known as Late Antiquity.Late Antiquity is a periodization used by historians to describe the transitional centuries from Classical Antiquity to the Middle Ages, in both mainland Europe and the Mediterranean world: generally from the end of the Roman Empire's ...

  5. Ancient Greek calendars - Wikipedia

    en.wikipedia.org/wiki/Ancient_Greek_calendars

    Various ancient Greek calendars began in most states of ancient Greece between autumn and winter except for the Attic calendar, which began in summer.. The Greeks, as early as the time of Homer, appear to have been familiar with the division of the year into the twelve lunar months but no intercalary month Embolimos or day is then mentioned, with twelve months of 354 days. [1]

  6. Scientists Found a 12,000-Year-Old Monument—Turns Out It May ...

    www.aol.com/lifestyle/scientists-found-12-000...

    Carvings on a 12,000-year-old monument in Turkey appear to mark solar days and years, making it possibly the oldest solar calendar in ancient civilization. Marking a massive comet strike as the ...

  7. History of timekeeping devices - Wikipedia

    en.wikipedia.org/wiki/History_of_timekeeping_devices

    As megalithic civilizations left no recorded history, little is known of their timekeeping methods. [3] The Warren Field calender monument is currently considered to be the oldest lunisolar calendar yet found. Mesoamericans modified their usual vigesimal (base-20) counting system when dealing with calendars to produce a 360-day year. [4]

  8. Meton of Athens - Wikipedia

    en.wikipedia.org/wiki/Meton_of_Athens

    The world's oldest known astronomical calculator, the Antikythera Mechanism (2nd century BC), performs calculations based on both the Metonic and Callipic calendar cycles, with separate dials for each. [2] [3] The foundations of Meton's observatory in Athens are still visible just behind the podium of the Pnyx, the ancient parliament. Meton ...

  9. Dating creation - Wikipedia

    en.wikipedia.org/wiki/Dating_creation

    The ancient Chinese historian Xu Zheng (fl. 220-265 AD) in his Three Five Historic Records dated the creation of the world by Pangu 36,000 years (2 x 18,000) before the reign of the legendary Three Sovereigns and Five Emperors. [49] [50] [51] The date of the Three sovereigns is fixed at 3000–2700 BC [52] and therefore dates the creation about ...