Инструменты Intosoft

Athens to AST

-7h

Athens

EESTSOURCE
Greece · UTC+03:00☀ DST active
HH12
:
MM00
  
12:00 (24-hr)
12 AM6 AM12 PM6 PM12 AM

AST

AST
UTC-03:00☀ DST active
HH05
:
MM00
  
05:00 (24-hr)
12 AM6 AM12 PM6 PM12 AM
Athens
AST
12:00 AM
6:00 PM-1
2:00 AM
8:00 PM-1
4:00 AM
10:00 PM-1
6:00 AM
12:00 AM
8:00 AM
2:00 AM
10:00 AM
4:00 AM
12:00 PM
6:00 AM
2:00 PM
8:00 AM
4:00 PM
10:00 AM
6:00 PM
12:00 PM
8:00 PM
2:00 PM
10:00 PM
4:00 PM

Green rows indicate typical business hours (9 AM - 5 PM)

EEST and AST on the World Map

The map below highlights the EEST (Eastern European Time) and AST (Atlantic Standard Time) timezone regions across the globe.

EESTASTCairoAthensHelsinkiBucharestHalifaxSan JuanSanto DomingoCaracas
EEST Zone
→
AST Zone

Explore all world timezones interactively →

EET – Eastern European Time

UTC+02:00

Eastern European Time (EET) is used in Eastern Europe, the Middle East, and northeastern Africa, 2 hours ahead of UTC.

Countries in EET
FinlandGreeceRomaniaBulgariaUkraineEgyptIsraelLebanonJordanLithuaniaLatviaEstoniaMoldovaLibyaSyriaPalestineCyprus
Major Cities in EET
CairoAthensHelsinkiBucharestKyivSofiaJerusalemTel AvivBeirutVilniusRigaTallinn
Key Facts about EET
  • •EET covers countries across three continents: Europe, Asia, and Africa.
  • •Cairo is the most populous city in the EET zone.
  • •Turkey used to be on EET but permanently moved to UTC+03:00 in 2016.
  • •Finland, the Baltic states, and Greece all use EET.
Daylight Saving:Yes – switches to EEST
Learn more about EET on Wikipedia

AST – Atlantic Standard Time

UTC-04:00

Atlantic Standard Time (AST) is the time zone for the Canadian Atlantic provinces and the Caribbean, 4 hours behind UTC.

Countries in AST
Canada (Atlantic provinces)Puerto RicoUS Virgin IslandsDominican RepublicVenezuelaBoliviaBarbadosTrinidad and Tobago
Major Cities in AST
HalifaxSan JuanSanto DomingoCaracasLa PazFrederictonCharlottetown
Key Facts about AST
  • •Puerto Rico uses AST year-round and does not observe DST.
  • •AST is 1 hour ahead of EST.
  • •Halifax, the capital of Nova Scotia, is the largest city in AST Canada.
Daylight Saving:Yes – switches to ADT
Learn more about AST on Wikipedia

About Athens

Wikipedia

Athens operates on Eastern European Time (EET/EEST), UTC+2. As a gateway between Europe and the Middle East, Athens time bridges Western and Eastern markets.

Population:664,000
Metro:3.8 million
Business Hours:9:00 AM - 5:00 PM EET
Currency:EUR (€)
Stock Exchange:ATHEX (Athens Stock Exchange)
Key Landmarks
AcropolisParthenonAncient AgoraPlakaNational Archaeological Museum
Did You Know?

The Acropolis has been standing for nearly 2,500 years.

Learn more about EEST timezone →

Comparing Time Zones: Athens and AST

Athens runs on Eastern European Summer Time (EEST) at UTC+03:00, currently observing daylight saving time. AST runs on Atlantic Standard Time (AST) at UTC-04:00. That puts Athens 7 hours behind AST — a difference of -7h at the current offsets.

In practice, when it is 9:00 AM in Athens it is 2:00 AM in AST. Midnight in Athens is 5:00 PM in AST.Athens observes daylight saving time while AST does not, so the gap narrows or widens by an hour part of the year.

Athens to AST time conversion table

Athens (EEST)AST (AST)Day
12:00 AM5:00 PMprevious day
6:00 AM11:00 PMprevious day
7:00 AM12:00 AMsame day
8:00 AM1:00 AMsame day
9:00 AM2:00 AMsame day
12:00 PM5:00 AMsame day
3:00 PM8:00 AMsame day
5:00 PM10:00 AMsame day
6:00 PM11:00 AMsame day
9:00 PM2:00 PMsame day

Why people convert Athens to AST time

  • Scheduling a call from Athens to AST: a 10:00 AM start in Athens lands at 3:00 AM in AST, so you can confirm the slot without doing the arithmetic yourself.
  • Finding shared working hours: both Athens and AST are inside the 9-to-5 working day between 4:00 PM and 5:00 PM EEST time (9:00 AM–10:00 AM AST). That is roughly 1 hours of usable overlap.
  • Keeping family and friends in sync: knowing that 8:00 PM in Athens is 1:00 PM in AST makes it easy to avoid calling at 3 AM.
  • Always state the zone abbreviation, not just the hour. "3:00 PM EEST" is unambiguous; "3 PM" across a -7h gap is not.
  • Block 4:00 PM–5:00 PM EEST as the recurring meeting window if you work primarily from Athens and need AST colleagues present.
  • Athens: Clocks fall back on Sun, Oct 25, 2026. Re-check this page after that date because the offset changes and so does the -7h gap.

About EET (Eastern European Time)

Eastern European Time (EET) covers a wide geographical area including Eastern Europe (Finland, Greece, Romania, Bulgaria, Ukraine), the Middle East (Israel, Lebanon, Jordan), and northeastern Africa (Egypt, Libya). During summer, most EET countries switch to Eastern European Summer Time (EEST, UTC+03:00). Turkey permanently moved to UTC+03:00 in 2016, effectively leaving EET.

About AST (Atlantic Standard Time)

Atlantic Standard Time (AST) covers Canada's Atlantic provinces (Nova Scotia, New Brunswick, Prince Edward Island, and most of Labrador), as well as several Caribbean nations. Puerto Rico and the US Virgin Islands use AST year-round without daylight saving time. The Canadian provinces switch to Atlantic Daylight Time (ADT) in summer.

Best time to call between Athens and AST

Both Athens and AST sit inside the 9 AM – 5 PM working day between 4:00 PM–5:00 PM EEST, which is 9:00 AM–10:00 AM AST. That gives roughly 1 hours of shared time — the safest window for a live call or meeting.

Business hours overlap

Athens and AST overlap for only 60 minutes (4:00 PM–5:00 PM EEST), so meetings have to be booked precisely.

Athens is 7 hours behind AST (EEST UTC+03:00 → AST UTC-04:00). The shared working window is 4:00 PM–5:00 PM EEST. Remember to re-check around daylight-saving transitions.

🕐 Daylight Saving Time Info

Athens

☀ Currently in DST

Standard: UTC+02:00 · DST: UTC+03:00

Clocks fall back on Sun, Oct 25, 2026

AST

☀ Currently in DST

Standard: UTC-04:00 · DST: UTC-03:00

Clocks fall back on Sun, Nov 1, 2026

Learn More About Time

Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:

⏳
History of Timekeeping
From sundials to atomic clocks - 5000 years of measuring time
🌍
How Time Zones Work
UTC, offsets, and why zones don't follow straight lines
☀️
Daylight Saving Time
DST dates, which countries observe it, and the ongoing debate

Frequently Asked Questions

What is the time difference between Athens and AST?

Athens (EEST, UTC+03:00) is 7 hours behind AST (AST, UTC-04:00). The gap is currently -7h.

How do I convert Athens time to AST time?

Add -7h to Athens local time. For example, 9:00 AM in Athens is 2:00 AM in AST.

What time is it in AST right now?

AST uses AST at UTC-04:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -7h offset from Athens.

What is the best time to call AST from Athens?

Call between 4:00 PM and 5:00 PM EEST — that maps to 9:00 AM–10:00 AM AST and keeps both parties inside the working day.

Which is behind, Athens or AST?

Athens is 7 hours behind AST. When it is 12:00 PM in Athens it is 5:00 AM in AST.

Do Athens and AST use different time zones?

Athens (Greece) uses EEST at UTC+03:00, while AST uses AST at UTC-04:00. The IANA identifiers are Europe/Athens and America/Halifax.

Does daylight saving time affect the Athens–AST difference?

Yes at the moment: Athens is on daylight saving time and AST is not, so the -7h gap shifts by an hour when exactly one of them changes clocks.

Which other cities share Athens's time zone?

EEST also covers Cairo, Athens, Helsinki, Bucharest, Kyiv, Sofia, Jerusalem, Tel Aviv and 4 more.

Which countries use EEST, Athens's zone?

EEST is used in Finland, Greece, Romania, Bulgaria, Ukraine, Egypt, Israel, Lebanon and 9 more.

Is there a day difference between Athens and AST?

Not normally. The -7h gap only pushes the date over the previous day.

What is the time difference between Athens and AST?

AST is -7h from Athens.

What timezone is Athens in?

Athens operates on Eastern European Time (EET/EEST), UTC+2. As a gateway between Europe and the Middle East, Athens time bridges Western and Eastern markets.

What timezone is AST in?

AST operates on its local timezone.

What are the business hours in Athens?

Standard business hours in Athens are 9:00 AM - 5:00 PM EET.

Which countries use EET (Eastern European Time)?

EET is used in Finland, Greece, Romania, Bulgaria, Ukraine, Egypt, and 11 more countries.

Does EET observe daylight saving time?

Yes, EET switches to EEST during summer months.

What are some interesting facts about EET?

EET covers countries across three continents: Europe, Asia, and Africa. Cairo is the most populous city in the EET zone.

Which cities are in the AST timezone?

Major cities in the AST timezone include Halifax, San Juan, Santo Domingo, Caracas, La Paz, Fredericton, Charlottetown.

What is the UTC offset for AST?

Atlantic Standard Time (AST) is at UTC-04:00. During daylight saving time, it shifts to ADT.

What should I know about the AST timezone?

Puerto Rico uses AST year-round and does not observe DST. AST is 1 hour ahead of EST.

When is it midnight in Athens, what time is it in AST?

When it is 12:00 AM (midnight) in Athens (EET), it is -7h later in AST (AST).

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