Timezone abbreviation
EST Timezone
Eastern Standard Time is commonly shown as EST and has an offset of UTC-05:00. EST is used in parts of North America during standard time.
EST can be confused with other regional abbreviations, so city-based conversion is safer.
When to use it
EST in real schedules
Use EST only when you specifically mean standard time. For meetings, New York, Toronto, or another city name is safer.
Daylight saving
Eastern locations that observe daylight saving usually switch from EST to EDT.
Avoid abbreviation mistakes
Timezone abbreviations are compact, but they are not always unique and they do not always describe daylight saving behavior. For exact meetings, choose a city and date in the converter. That lets the timezone database apply the correct local rules instead of relying on a fixed abbreviation.
Example cities