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Frank Stella's 'Harran II'cropped.jpg

Depending on context, epoch can refer to:

Period of time

Moment in time

An Epoch signifies a significant event, time, or moment which is chosen as a new origin for time measurements, usually as the delimiting factor of an era:

  • References to such may include Epochal date, Epochal event, Epochal moment
  • epoch (astronomy, and Epochal moment regard a precise moment in time for which celestial coordinates or orbital elements are specified.

Time benchmark in Computing