Definition

1. Noun:
   • Eastern Standard Time: A time zone in North America, specifically standard time in the 5th time zone west of Greenwich, based on the 75th meridian. It is used in the eastern parts of the United States and Canada during the fall and winter months when Daylight Saving Time is not in effect.

Usage Examples

• Noun:
  • The meeting is scheduled for 3:00 PM EST.
  • Remember that New York City operates on EST from November to March.

Advanced Usage

• "EST vs. EDT": It is crucial to distinguish between Eastern Standard Time (EST) and Eastern Daylight Time (EDT). EDT is used during the spring and summer months when clocks are set one hour ahead for Daylight Saving Time.
  • The conference call is at 10 AM EST (which is 11 AM EDT if it were summer).

Variants and Related Words

• EDT (Eastern Daylight Time): The time zone used in the same region during Daylight Saving Time, which is UTC-4.
• ET (Eastern Time): A general term that refers to either Eastern Standard Time (EST) or Eastern Daylight Time (EDT), depending on the time of year.
• Timezone Abbreviations: Similar abbreviations exist for other time zones (e.g., PST for Pacific Standard Time, CST for Central Standard Time).

Synonyms

• Eastern Time (ET): A more general synonym that encompasses both EST and EDT.
• UTC-5: The Coordinated Universal Time offset for Eastern Standard Time.

Notes on Usage

• EST is always written in uppercase letters.
• It is often used in scheduling for international events, aviation, and broadcasting to specify the local time in the eastern part of North America.
• When communicating across time zones, it is helpful to specify "EST" to avoid confusion, especially with regions that may use similar abbreviations.

Noun

1. standard time in the 5th time zone west of Greenwich, reckoned at the 75th meridian; used in the eastern United States