English Lexicon

Eastern Standard Time

/ˈiːstərn ˈstændərd taɪm/
nounCEFR B2 (Upper)Top #1500 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    The time zone that is five hours behind Coordinated Universal Time (UTC-5), used in the eastern part of the United States and Canada.

    "The meeting is scheduled for 3 PM Eastern Standard Time."
  2. 2

    A time zone that observes daylight saving time, changing to Eastern Daylight Time (EDT) during the summer months.

    "During the summer, the clock shifts to Eastern Daylight Time."

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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

The term 'Eastern Standard Time' originated in the late 19th century as part of the establishment of standardized time zones in North America. It was developed to facilitate scheduling for railroads and telegraphs, reflecting the need for a consistent time reference across regions.

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