Definition of Eastern time in English:

Eastern time

Line breaks: East|ern time

noun

[mass noun]
  • 1The standard time in a zone including the eastern states of the US and parts of Canada, specifically:
    • (Eastern Standard Time, abbreviation: EST) standard time based on the mean solar time at the meridian 75° W, five hours behind GMT. (Eastern Daylight Time, abbreviation: EDT) Eastern time during daylight saving time, four hours behind GMT.
    More example sentences
    • Also trivially, time depends on the coordinate system when a change is made from Eastern Standard Time to Pacific Standard Time.
    • After 2 a.m. Sunday, 77 counties will be on Eastern Standard Time, 5 counties will be on Eastern Daylight Time and 10 counties will be on Central Daylight Time.
    • The match will now be decided by the final game to be played on Friday, starting at 3.30 pm Eastern Standard Time.
  • 2The standard time in a zone including eastern Australia, based on the mean solar time at the meridian 150° E. It is ten hours ahead of GMT, or nine hours ahead when summer time is observed.

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