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Babylonian Calendar

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Event

The Resume

    (circa 3000 BC- )
    Born in Babylon, Iraq
    12 lunar months
    Alternating 29 and 30 day months
    354 days
    Originally added 3 leap months every 8 years
    7 leap months are added every 19 years

Why Babylonian Calendar might be annoying:

    It was the first to add a leap month.
    The king determined when the leap month was to be added.
    Years were named and not numbered.
    Every 7th day was a holy day where many things were prohibited. It was considered an evil day.
    On the 28th day of the month is a day of rest and for sacrifices.
    The 19th day of the month is a day of anger (based on that it is 7 weeks of 7 days from the start of the previous month).

Why Babylonian Calendar might not be annoying:

    It was among the first to designate a 7 day week.
    Astronomers were displeased that the king determined when to add a leap month.
    They figured 235 lunar months are equal to 19 solar years (correct within 2 hours).
    The king yielded to the astronomers and accepted their determination as to when to proclaim a leap month.
    New year is close to the vernal equinox (first day of spring).
    It and the Hebrew calendar borrowed from each other. The Hebrew Calendar still uses some of these criteria today.
    Around 331, a more accurate 76 year cycle was used.
    When the Greeks captured Babylon, they incorporated some of this calendar into theirs.

Credit: Team Annoy


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