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Jan 1, 2001 · The Unix epoch (or Unix time or POSIX time or Unix timestamp) is the number of seconds that have elapsed since January 1, 1970 (midnight UTC/GMT), not counting leap seconds (in ISO 8601: 1970-01-01T00:00:00Z). Literally speaking the epoch is Unix time 0 (midnight 1/1/1970), but 'epoch' is often used as a synonym for Unix time.
epoch applies to a period begun or set off by some significant or striking quality, change, or series of events. the steam engine marked a new epoch in industry. era suggests a period of history marked by a new or distinct order of things. the era of global communications.
EPOCH definition: 1. a long period of time, especially one in which there are new developments and great change: 2…. Learn more.
Synonyms: time, era, date, age. the beginning of a distinctive period in the history of anything: The splitting of the atom marked an epoch in scientific discovery. a point of time distinguished by a particular event or state of affairs; a memorable date: His coming of age was an epoch in his life.
In chronology and periodization, an epoch or reference epoch is an instant in time chosen as the origin of a particular calendar era. The "epoch" serves as a reference point from which time is measured.
EPOCH meaning: 1. a long period of time, especially one in which there are new developments and great change: 2…. Learn more.
Definition of epoch noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. Toggle navigation
If you refer to a long period of time as an epoch, you mean that important events or great changes took place during it.
Britannica Dictionary definition of EPOCH. [count] : a period of time that is very important in history. The Civil War era was an epoch in 19th-century U.S. history. The development of the steam engine marked an important epoch in the history of industry. — compare era.
noun [ C ] uk / ˈiːpɒk / us / ˈepək / plural epochs. Add to word list. Add to word list. a long period of time in history. (Definition of epoch from the Cambridge Learner's Dictionary © Cambridge University Press)
