The short answer

10am in Atlantic Daylight Time is 4pm in Eastern European Time.

Atlantic Daylight Time is 6 hours behind Eastern European Time. Both sides are inside the standard 9-to-5 working day, so this is a sociable time for a call in both places.

Atlantic Daylight Time
10am
Eastern European Time
4pm
Right now
5:35amADT · UTC-03:00 · Wed, Aug 12
11:35amEEST · UTC+03:00 · Wed, Aug 12
Read across to convert
Atlantic Daylight Time
ADT · UTC-03:00
5:35am ☾
Eastern European Time
EEST · UTC+03:00
11:35am ☀
Pinned10amAtlantic Daylight Time=4pmEastern European Time
12amWed
6am
1am
7am
2am
8am
3am
9am
WORK
4am
10am
WORK
NOW
5am
11am
WORK
6am
12pm
WORK
7am
1pm
WORK
8am
2pm
WORK
9am
WORK
3pm
WORK
PINNED
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
12amThu ·+1d
7pm
1amThu ·+1d
8pm
2amThu ·+1d
9pm
3amThu ·+1d
10pm
4amThu ·+1d
11pm
5amThu ·+1d
daylightnightworking hoursoverlap
Best time to meet
Best for a call
Atlantic Daylight Time
9am–11am
=
Eastern European Time
3pm–5pm
Popular conversions

Quick reference.

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

What each side covers.

Atlantic Daylight Time
ADT · UTC-03:00
5:35am

Canada & Caribbean

Eastern European Time
EEST · UTC+03:00
11:35am
Cities on this clock

Frequently asked

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

What is the time difference between Atlantic Daylight Time and Eastern European Time?
Atlantic Daylight 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 10am in Atlantic Daylight Time, what time is it in Eastern European Time?
10am in Atlantic Daylight Time is 4pm in Eastern European Time. Both sides are inside the standard 9-to-5 working day, so this is a sociable time for a call in both places. Use the hour-by-hour table above to read any other time across.
What's the best time for a call between Atlantic Daylight Time and Eastern European Time?
9am–11am in Atlantic Daylight 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.