EDT to ART
+1hEDT
EDTSOURCEART
ARTGreen rows indicate typical business hours (9 AM - 5 PM)
EDT and ART on the World Map
The map below highlights the EDT (Eastern Daylight Time) and ART (Argentina Time) timezone regions across the globe.
EDT – Eastern Daylight Time
UTC-04:00Eastern Daylight Time (EDT) is the daylight saving time observed in the Eastern Time Zone, 4 hours behind UTC.
- •EDT is observed from the second Sunday of March to the first Sunday of November.
- •During EDT, the US East Coast is only 4 hours behind London (instead of 5).
- •Not all EST locations switch to EDT – Panama and Jamaica stay on EST year-round.
ART – Argentina Time
UTC-03:00Argentina Time (ART) is the standard time for Argentina, 3 hours behind UTC.
- •Argentina does not observe daylight saving time.
- •Buenos Aires is one of the most visited cities in South America.
- •ART is the same offset as BRT (UTC-03:00).
Time Conversion Guide: EDT to ART
EDT runs on Eastern Daylight Time (EDT) at UTC-04:00. ART runs on Argentina Time (ART) at UTC-03:00. That puts EDT 1 hour ahead of ART — a difference of +1h at the current offsets.
In practice, when it is 9:00 AM in EDT it is 10:00 AM in ART. Midnight in EDT is 1:00 AM in ART. Neither zone observes daylight saving time, so the offset between them stays constant all year.
EDT to ART time conversion table
| EDT (EDT) | ART (ART) | Day |
|---|---|---|
| 12:00 AM | 1:00 AM | same day |
| 6:00 AM | 7:00 AM | same day |
| 7:00 AM | 8:00 AM | same day |
| 8:00 AM | 9:00 AM | same day |
| 9:00 AM | 10:00 AM | same day |
| 12:00 PM | 1:00 PM | same day |
| 3:00 PM | 4:00 PM | same day |
| 5:00 PM | 6:00 PM | same day |
| 6:00 PM | 7:00 PM | same day |
| 9:00 PM | 10:00 PM | same day |
Why people convert EDT to ART time
- Scheduling a call from EDT to ART: a 10:00 AM start in EDT lands at 11:00 AM in ART, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both EDT and ART are inside the 9-to-5 working day between 9:00 AM and 4:00 PM EDT time (10:00 AM–5:00 PM ART). That is roughly 7 hours of usable overlap.
- Keeping family and friends in sync: knowing that 8:00 PM in EDT is 9:00 PM in ART makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM EDT" is unambiguous; "3 PM" across a +1h gap is not.
- Block 9:00 AM–4:00 PM EDT as the recurring meeting window if you work primarily from EDT and need ART colleagues present.
About EDT (Eastern Daylight Time)
Eastern Daylight Time (EDT) is used during the summer months (second Sunday of March to the first Sunday of November) in the Eastern Time Zone. During EDT, clocks are advanced by one hour to take advantage of longer daylight hours. Not all locations in the Eastern Time Zone observe DST – Panama, Jamaica, and most of the Caribbean remain on EST year-round.
About ART (Argentina Time)
Argentina Time (ART) is the time zone used throughout Argentina. Argentina does not observe daylight saving time. ART shares the same offset as Brasilia Time (BRT) and Uruguay's UYT.
Best time to call between EDT and ART
Both EDT and ART sit inside the 9 AM – 5 PM working day between 9:00 AM–4:00 PM EDT, which is 10:00 AM–5:00 PM ART. That gives roughly 7 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
EDT and ART share 7 hours of working-hours overlap (9:00 AM–4:00 PM EDT), so scheduling a live meeting is straightforward.
EDT is 1 hour ahead of ART (EDT UTC-04:00 → ART UTC-03:00). The shared working window is 9:00 AM–4:00 PM EDT. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
EDT
☀ Currently in DST
Standard: UTC-05:00 · DST: UTC-04:00
Clocks fall back on Sun, Nov 1, 2026
ART
Does not observe DST
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between EDT and ART?
EDT (EDT, UTC-04:00) is 1 hour ahead of ART (ART, UTC-03:00). The gap is currently +1h.
How do I convert EDT time to ART time?
Add +1h to EDT local time. For example, 9:00 AM in EDT is 10:00 AM in ART.
What time is it in ART right now?
ART uses ART at UTC-03:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +1h offset from EDT.
What is the best time to call ART from EDT?
Call between 9:00 AM and 4:00 PM EDT — that maps to 10:00 AM–5:00 PM ART and keeps both parties inside the working day.
Which is ahead, EDT or ART?
EDT is 1 hour ahead of ART. When it is 12:00 PM in EDT it is 1:00 PM in ART.
Does daylight saving time affect the EDT–ART difference?
Neither zone observes daylight saving time, so the +1h offset between EDT and ART is fixed all year.
Which other cities share EDT's time zone?
EDT also covers New York City, Washington D.C., Toronto, Miami, Philadelphia, Atlanta, Boston, Montreal.
Which countries use EDT, EDT's zone?
EDT is used in United States (Eastern), Canada (Ontario, Quebec), Bahamas, Haiti, Turks and Caicos.
Is there a day difference between EDT and ART?
Not normally. The +1h gap only pushes the date over for late-evening times.
What is the time difference between EDT and ART?
ART is +1h from EDT.
What timezone is EDT in?
EDT operates on its local timezone.
What timezone is ART in?
ART operates on its local timezone.
Which countries use EDT (Eastern Daylight Time)?
EDT is used in United States (Eastern), Canada (Ontario, Quebec), Bahamas, Haiti, Turks and Caicos.
Does EDT observe daylight saving time?
Yes, EDT switches to EST during summer months.
What are some interesting facts about EDT?
EDT is observed from the second Sunday of March to the first Sunday of November. During EDT, the US East Coast is only 4 hours behind London (instead of 5).
Which cities are in the ART timezone?
Major cities in the ART timezone include Buenos Aires, Córdoba, Rosario, Mendoza, La Plata, Tucumán.
What is the UTC offset for ART?
Argentina Time (ART) is at UTC-03:00.
What should I know about the ART timezone?
Argentina does not observe daylight saving time. Buenos Aires is one of the most visited cities in South America.
When is it midnight in EDT, what time is it in ART?
When it is 12:00 AM (midnight) in EDT (EDT), it is +1h later in ART (ART).
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See every conversion from EDT →·See every conversion from ART →