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An epoch, Epoch or EPOCH may refer to:


  • Epoch (reference date), a moment in time chosen as the origin of a particular era
  • Epoch (geology) or geologic epoch, a span of time smaller than a period and larger than an age
  • Epoch (cosmology) or cosmologic epoch, a phase in the development of the universe since the Big Bang
  • Epoch (astronomy), a moment in time used as a reference for the orbital elements of a celestial body
  • Epoch (race), racial periods in Blavatsky's esoteric theory of the root races

In games[edit]


Arts and entertainment[edit]

Science and technology[edit]

  • EPOCH (chemotherapy), a chemotherapy regimen for some lymphomas comprising etoposide, doxorubicin, vincristine, cyclophosphamide, and prednisone
  • EPOCh (Extrasolar Planet Observation and Characterization), a NASA mission associated with EPOXI
  • Epoch Javascript Calendar, a calendar component for use in web pages


See also[edit]