From Wikipedia, the free encyclopedia
Jump to navigation Jump to search

Epoch or EPOCH may refer to:


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

Arts and entertainment[edit]



Science and technology[edit]

  • EPOCH (chemotherapy), a chemotherapy regimen
  • EPOCh (Extrasolar Planet Observation and Characterization), a NASA mission associated with EPOXI


See also[edit]