The short answer

12am in Atlantic Standard Time is 6am in Eastern European Time.

Atlantic Standard Time is 6 hours behind Eastern European Time. That's early morning in Eastern European Time, before the typical working day begins.

Atlantic Standard Time
12am
Eastern European Time
6am
Right now
9:23amADT · UTC-03:00 · Mon, Jun 22
3:23pmEEST · UTC+03:00 · Mon, Jun 22
Read across to convert
Atlantic Standard Time
ADT · UTC-03:00
9:23am ☀
Eastern European Time
EEST · UTC+03:00
3:23pm ☀
Pinned12amAtlantic Standard Time=6amEastern European Time
PINNED
12amMon
6am
1am
7am
2am
8am
3am
9am
WORK
4am
10am
WORK
5am
11am
WORK
6am
12pm
WORK
7am
1pm
WORK
8am
2pm
WORK
NOW
9am
WORK
3pm
WORK
10am
WORK
4pm
WORK
11am
WORK
5pm
12pm
WORK
6pm
1pm
WORK
7pm
2pm
WORK
8pm
3pm
WORK
9pm
4pm
WORK
10pm
5pm
11pm
6pm
12amTue ·+1d
7pm
1amTue ·+1d
8pm
2amTue ·+1d
9pm
3amTue ·+1d
10pm
4amTue ·+1d
11pm
5amTue ·+1d
daylightnightworking hoursoverlap
Best time to meet
Best for a call
Atlantic Standard Time
9am–11am
=
Eastern European Time
3pm–5pm
Popular conversions

Quick reference.

9amAtlantic Standard Time=3pmEastern European Time
12pmAtlantic Standard Time=6pmEastern European Time
3pmAtlantic Standard Time=9pmEastern European Time
5pmAtlantic Standard Time=11pmEastern European Time
9pmAtlantic Standard Time=3amEastern European Time · next day
In context

What each side covers.

Atlantic Standard Time
ADT · UTC-03:00
9:23am

Canada & Caribbean

Eastern European Time
EEST · UTC+03:00
3:23pm
Cities on this clock

Frequently asked

Quick answers about converting between Atlantic Standard Time and Eastern European Time. Can't find what you need? Email [email protected].

What is the time difference between Atlantic Standard Time and Eastern European Time?
Atlantic Standard Time is 6 hours behind Eastern European Time right now. We always show the live, daylight-saving-correct difference, so this figure already accounts for whichever side is observing summer time today.
When it's 12am in Atlantic Standard Time, what time is it in Eastern European Time?
12am in Atlantic Standard Time is 6am in Eastern European Time. That's early morning in Eastern European Time, before the typical working day begins. Use the hour-by-hour table above to read any other time across.
What's the best time for a call between Atlantic Standard Time and Eastern European Time?
9am–11am in Atlantic Standard Time lines up with 3pm–5pm in Eastern European Time — both sides are inside a 9-to-5 working day.
Does this account for daylight saving time?
Yes. We track every clock change in both places, so the abbreviations you see — ADT and EEST — are the ones actually in effect right now, not a fixed all-year value. When either side changes its clocks, this page updates automatically.
Why is the date sometimes different on each side?
When two places are far enough apart, the same moment can fall on different calendar days. That is why some conversions are marked "previous day" or "next day" — it is the same instant in time, read off two clocks that crossed midnight at different points.