Chronology

the chronology, briefly Zeitkunde, is the science of time measurement and time calculation. It examines, how the peoples of this earth divide and measure at present and once the time.

The chronology is divided into the astronomical chronology and those Historical chronology.

The chronology knows the natural cosmic time order (day , moon month, sun year) , the cyclic time order (calendar ) and the linear time order (year calculation ) as time calculation.

The distinction from relative and absolute chronology is in the archaeology and geology/paleontology usually (S. also age determination (archaeology)):

  • Relative chronology is based on the comparison of two contexts (z. B. archaeological layers), D. h. both are either of the same age or one are younger than the other one.Methodology originates from the Stratigrafie.
  • Absolute chronology is only by means of dendrochronology or physical methods (z. B. Radio carbon dating, thermal luminescence dating) possible. The time becomes here as yardstick, about “forwards today” (BP - English. before present) or“forwards” (v. Chr.) and/or. “after Christ” (n. Chr.) indicated. Additional possibilities arise in rare cases as a result of the sources of text of the early historical research. z. B. by comparisons of historical or dynastischen data in cuneiform script texts, or cosmic events, thoseby the modern science to verify leave themselves.


The word chronology stands also in the historical discipline, as well as in the Altagssprache for a succession of events, z. B. Chronology of the Mars missions.

see also

specific chronologies:

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