AST to EEST
+7hAST
ASTSOURCEEEST
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 Summer 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.
EEST – Eastern European Summer Time
UTC+03:00Eastern European Summer Time (EEST, UTC+03:00) is the daylight saving period across eastern Europe, from late March to late October.
- •EEST runs from the last Sunday in March to the last Sunday in October.
- •EEST is one hour ahead of Eastern European Time (EET, UTC+02:00).
- •During EEST, eastern Europe is level with Moscow, Istanbul and Riyadh.
- •EEST follows the EU-wide summer time schedule.
AST to EEST Time Difference – Complete Guide
AST runs on Atlantic Standard Time (AST) at UTC-04:00. EEST runs on Eastern European Summer Time (EEST) at UTC+03:00. That puts AST 7 hours ahead of EEST — a difference of +7h at the current offsets.
In practice, when it is 9:00 AM in AST it is 4:00 PM in EEST. Midnight in AST is 7:00 AM in EEST. Neither zone observes daylight saving time, so the offset between them stays constant all year.
AST to EEST time conversion table
| AST (AST) | EEST (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 EEST time
- Scheduling a call from AST to EEST: a 10:00 AM start in AST lands at 5:00 PM in EEST, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both AST and EEST 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.
- Coordinating a AST-based team with EEST contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.
- 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 EEST colleagues present.
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 EEST (Eastern European Summer Time)
Eastern European Summer Time (EEST) is the daylight saving period used across eastern Europe, when clocks move one hour forward from Eastern European Time (EET, UTC+02:00) to UTC+03:00. It runs from the last Sunday in March to the last Sunday in October, in step with the rest of the European Union. EEST covers Greece, Finland, Romania, Bulgaria, the Baltic states, Ukraine and Moldova, and matches the offset used year-round by Moscow, Istanbul and Riyadh during those months. Athens and Helsinki both sit near the western edge of the EEST band, so summer evenings stay light well past 21:00.
Best time to call between AST and EEST
Both AST and EEST 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 EEST 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 EEST (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
EEST
☀ 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 EEST?
AST (AST, UTC-04:00) is 7 hours ahead of EEST (EEST, UTC+03:00). The gap is currently +7h.
How do I convert AST time to EEST time?
Add +7h to AST local time. For example, 9:00 AM in AST is 4:00 PM in EEST.
What time is it in EEST right now?
EEST 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 EEST 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 EEST?
AST is 7 hours ahead of EEST. When it is 12:00 PM in AST it is 7:00 PM in EEST.
Does daylight saving time affect the AST–EEST difference?
Neither zone observes daylight saving time, so the +7h offset between AST and EEST is fixed all year.
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 EEST?
Not normally. The +7h gap only pushes the date over for late-evening times.
What is the time difference between AST and EEST?
EEST is +7h from AST.
What timezone is AST in?
AST operates on its local timezone.
What timezone is EEST in?
EEST 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 EEST timezone?
Major cities in the EEST timezone include Athens, Helsinki, Bucharest, Sofia, Kyiv, Riga.
What is the UTC offset for EEST?
Eastern European Summer Time (EEST) is at UTC+03:00. During daylight saving time, it shifts to EEST.
What should I know about the EEST timezone?
EEST runs from the last Sunday in March to the last Sunday in October. EEST is one hour ahead of Eastern European Time (EET, UTC+02:00).
When is it midnight in AST, what time is it in EEST?
When it is 12:00 AM (midnight) in AST (AST), it is +7h later in EEST (EEST).
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See every conversion from AST →·See every conversion from EEST →