AST to Greece
+7hAST
ASTSOURCEGreece
EESTGreen rows indicate typical business hours (9 AM - 5 PM)
AST and EEST on the World Map
The map below highlights the AST (Atlantic Standard Time) and EEST (Eastern European Time) timezone regions across the globe.
AST – Atlantic Standard Time
UTC-04:00Atlantic Standard Time (AST) is the time zone for the Canadian Atlantic provinces and the Caribbean, 4 hours behind UTC.
- •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.
EET – Eastern European Time
UTC+02:00Eastern European Time (EET) is used in Eastern Europe, the Middle East, and northeastern Africa, 2 hours ahead of UTC.
- •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.
AST to Greece Time Difference – Complete Guide
AST runs on Atlantic Standard Time (AST) at UTC-04:00. Greece runs on Eastern European Summer Time (EEST) at UTC+03:00, also currently on daylight saving time. That puts AST 7 hours ahead of Greece — a difference of +7h at the current offsets.
In practice, when it is 9:00 AM in AST it is 4:00 PM in Greece. Midnight in AST is 7:00 AM in Greece.Greece observes daylight saving time while AST does not, so the gap narrows or widens by an hour part of the year.
AST to Greece time conversion table
| AST (AST) | Greece (EEST) | Day |
|---|---|---|
| 12:00 AM | 7:00 AM | same day |
| 6:00 AM | 1:00 PM | same day |
| 7:00 AM | 2:00 PM | same day |
| 8:00 AM | 3:00 PM | same day |
| 9:00 AM | 4:00 PM | same day |
| 12:00 PM | 7:00 PM | same day |
| 3:00 PM | 10:00 PM | same day |
| 5:00 PM | 12:00 AM | next day |
| 6:00 PM | 1:00 AM | next day |
| 9:00 PM | 4:00 AM | next day |
Why people convert AST to Greece time
- Scheduling a call from AST to Greece: a 10:00 AM start in AST lands at 5:00 PM in Greece, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both AST and Greece are inside the 9-to-5 working day between 9:00 AM and 10:00 AM AST time (4:00 PM–5:00 PM EEST). That is roughly 1 hours of usable overlap.
- Watching a live event or market open: AST viewers need 4:00 PM in Greece to catch a 9:00 AM start there, and 5:00 PM if the event is anchored to AST.
- Always state the zone abbreviation, not just the hour. "3:00 PM AST" is unambiguous; "3 PM" across a +7h gap is not.
- Block 9:00 AM–10:00 AM AST as the recurring meeting window if you work primarily from AST and need Greece colleagues present.
- Greece: Clocks fall back on Sun, Oct 25, 2026. Any meeting series spanning that date will shift by an hour in local time.
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.
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.
Best time to call between AST and Greece
Both AST and Greece sit inside the 9 AM – 5 PM working day between 9:00 AM–10:00 AM AST, which is 4:00 PM–5:00 PM EEST. That gives roughly 1 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
AST and Greece overlap for only 60 minutes (9:00 AM–10:00 AM AST), so meetings have to be booked precisely.
AST is 7 hours ahead of Greece (AST UTC-04:00 → EEST UTC+03:00). The shared working window is 9:00 AM–10:00 AM AST. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
AST
☀ Currently in DST
Standard: UTC-04:00 · DST: UTC-03:00
Clocks fall back on Sun, Nov 1, 2026
Greece
☀ Currently in DST
Standard: UTC+02:00 · DST: UTC+03:00
Clocks fall back on Sun, Oct 25, 2026
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 AST and Greece?
AST (AST, UTC-04:00) is 7 hours ahead of Greece (EEST, UTC+03:00). The gap is currently +7h.
How do I convert AST time to Greece time?
Add +7h to AST local time. For example, 9:00 AM in AST is 4:00 PM in Greece.
What time is it in Greece right now?
Greece uses EEST at UTC+03:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +7h offset from AST.
What is the best time to call Greece from AST?
Call between 9:00 AM and 10:00 AM AST — that maps to 4:00 PM–5:00 PM EEST and keeps both parties inside the working day.
Which is ahead, AST or Greece?
AST is 7 hours ahead of Greece. When it is 12:00 PM in AST it is 7:00 PM in Greece.
Do AST and Greece use different time zones?
AST uses AST at UTC-04:00, while Greece (Greece) uses EEST at UTC+03:00. The IANA identifiers are America/Halifax and Europe/Athens.
Does daylight saving time affect the AST–Greece difference?
Yes at the moment: Greece 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 AST's time zone?
AST also covers Halifax, San Juan, Santo Domingo, Caracas, La Paz, Fredericton, Charlottetown.
Which countries use AST, AST's zone?
AST is used in Canada (Atlantic provinces), Puerto Rico, US Virgin Islands, Dominican Republic, Venezuela, Bolivia, Barbados, Trinidad and Tobago.
Is there a day difference between AST and Greece?
Not normally. The +7h gap only pushes the date over for late-evening times.
What is the time difference between AST and Greece?
Greece is +7h from AST.
What timezone is AST in?
AST operates on its local timezone.
What timezone is Greece in?
Greece operates on its local timezone.
Which countries use AST (Atlantic Standard Time)?
AST is used in Canada (Atlantic provinces), Puerto Rico, US Virgin Islands, Dominican Republic, Venezuela, Bolivia, and 2 more countries.
Does AST observe daylight saving time?
Yes, AST switches to ADT during summer months.
What are some interesting facts about AST?
Puerto Rico uses AST year-round and does not observe DST. AST is 1 hour ahead of EST.
Which cities are in the EET timezone?
Major cities in the EET timezone include Cairo, Athens, Helsinki, Bucharest, Kyiv, Sofia, Jerusalem, Tel Aviv.
What is the UTC offset for EET?
Eastern European Time (EET) is at UTC+02:00. During daylight saving time, it shifts to EEST.
What should I know about the EET timezone?
EET covers countries across three continents: Europe, Asia, and Africa. Cairo is the most populous city in the EET zone.
When is it midnight in AST, what time is it in Greece?
When it is 12:00 AM (midnight) in AST (AST), it is +7h later in Greece (EET).
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