684 BC Chr.

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684 BC Chr.
684 BC In other calendars
Chinese calendar 33rd (34th) cycle year of the fire rooster丁酉 ( at the beginning of the year fire monkey 丙申)
Greek calendar 4th year of the 23./1. Year of the 24th Olympiad
Jewish calendar 3077/78
Roman calendar from urbe condita LXX (70)

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Remarks

  1. a b c d Date information in the Gregorian calendar : in the Julian calendar system , 7 days are to be added to the Gregorian date. The date is based on NASA information ( Memento from November 8, 2014 in the Internet Archive ) taking into account the T-Delta. For Babylonia, the time zone surcharge of 3 hours must be taken into account for Universal Time (UT) (see also the visibility periods ); according to Jean Meeus : Astronomical Algorithms - Applications for Ephemeris Tool 4,5 - , Barth, Leipzig 2000 for: Ephemeris Tool 4,5 according to Jean Meeus, conversion program, 2001 .