Time zone · Americas
EST
Eastern Standard Time
Eastern Standard Time covers a wide swath of eastern North America and the Caribbean, from Canadian outposts like Atikokan to US cities like Detroit and Indianapolis and island nations such as Jamaica and the Cayman Islands. While most locations shift to Eastern Daylight Time in spring for brighter evenings (currently 15 of 20 zones), a few remain year-round on standard time.
Sunday, August 30, 2026
Current offset
UTC-05:00
Standard · EST
Daylight saving
Not active
Year-round standard time
IANA zones
20
15 observe DST, 5 don't
DST offset
UTC-04:00
EDT · +1h
About EST
Standard time, with a summer shift.
Eastern Standard Time covers a wide swath of eastern North America and the Caribbean, from Canadian outposts like Atikokan to US cities like Detroit and Indianapolis and island nations such as Jamaica and the Cayman Islands. While most locations shift to Eastern Daylight Time in spring for brighter evenings (currently 15 of 20 zones), a few remain year-round on standard time.
IANA zones · the technical identifiers
The 20 zones that resolve to EST.
For software, always store the IANA identifier — never the abbreviation alone. The database keeps these zones distinct because their rules can, and historically did, diverge.
Cities across EST
Local time, city by city.
33 cities
Where EST is used
9 countries.
Same offset · UTC-05:00
Other zones at UTC-05:00 right now.
These named zones share EST's offset today. When daylight saving rules differ, they drift apart for part of the year.
Convert
EST to the world's clocks.
Frequently asked questions
Common questions about EST, daylight saving, and how to handle it in software. Can't find what you need? Email [email protected].
- Why do some places in the region stay on EST all year?
- A minority of zones skip daylight saving for consistency in commerce or local tradition, staying permanently on UTC-05:00.
- Which countries fall under the EST umbrella?
- Countries such as Canada, the United States, Mexico, Cayman Islands, Turks and Caicos Islands, Jamaica, Bahamas, and Panama include at least one time zone using this code.
- Is the whole region on the same clock right now?
- Not always; depending on daylight-saving status, part of the region shows UTC-05:00 and part on UTC-04:00.
- How does the seasonal shift affect scheduling across EST?
- Most zones spring forward in spring to get extra usable daylight in the evenings and return to standard time in fall, creating brief offsets within the broader EST family that need coordination across borders.
- What drives some areas to skip the time shift?
- Deep rural or island communities often choose permanent standard time to reduce complexity in logistics, markets, and daily routines.
Free · Developer API
Time, as JSON.
Every IANA time zone with live offsets, DST status, and the countries and cities that use them — clean, dependable JSON. Sign up free and get an API key in seconds.
countries, cities, convert, DST transitions coming next.
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