World Timezones

AST-ATLANTIC to EET Converter

Compare EET to AST-ATLANTIC instead
Atlantic Time1:35 amFri, Jun 5
Atlantic TimeADT
North America · UTC-3
1:35 amFri, Jun 5
12a
1a
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p
Eastern European TimeEEST
Europe · UTC+3
7:35 amFri, Jun 5
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p
12a
1a
2a
3a
4a
5a

Offset

The time difference between Atlantic Time and Eastern European Time is 6 hours.

6 hours

Atlantic Time (ADT) is behind Eastern European Time (EEST).

ADT: UTC-3

EEST: UTC+3

Both zones are currently observing daylight saving time.

When to schedule

Business-hours overlap: 9 AM–11 AM in Atlantic Time (3 PM–5 PM in Eastern European Time).

Both teams are in working hours during this window on weekdays.

Suggested time: 10:00 AM Atlantic Time (4:00 PM Eastern European Time).

This window may shift by an hour during daylight saving time.

Public holidays in 2026

National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.

Canada

  • New Year's DayThu, Jan 1
  • Good FridayFri, Apr 3
  • Victoria DayMon, May 18
  • Canada DayWed, Jul 1
  • Labour DayMon, Sep 7
  • National Day for Truth and ReconciliationWed, Sep 30
  • ThanksgivingMon, Oct 12
  • Christmas DayFri, Dec 25

Finland

  • New Year's DayThu, Jan 1
  • EpiphanyTue, Jan 6
  • Good FridayFri, Apr 3
  • Easter SundaySun, Apr 5
  • Easter MondayMon, Apr 6
  • May DayFri, May 1
  • Ascension DayThu, May 14
  • PentecostSun, May 24
  • Midsummer EveFri, Jun 19
  • Midsummer DaySat, Jun 20
  • All Saints' DaySat, Oct 31
  • Independence DaySun, Dec 6
  • Christmas EveThu, Dec 24
  • Christmas DayFri, Dec 25
  • St. Stephen's DaySat, Dec 26

About these zones

Atlantic Time is also known as AST, or ADT. To call Canada, dial +1.

Eastern European Time is also known as EET, or EEST. To call Finland, dial +358.

Eastern European Time is approximately 3,600 miles northeast of Atlantic Time.

Quick reference

Full 24-hour conversion table — tap any time to open it in the converter.

AST-ATLANTICEETDay
12:00 am6:00 amSame day
1:00 am7:00 amSame day
2:00 am8:00 amSame day
3:00 am9:00 amSame day
4:00 am10:00 amSame day
5:00 am11:00 amSame day
6:00 am12:00 pmSame day
7:00 am1:00 pmSame day
8:00 am2:00 pmSame day
9:00 am3:00 pmSame day
10:00 am4:00 pmSame day
11:00 am5:00 pmSame day
12:00 pm6:00 pmSame day
1:00 pm7:00 pmSame day
2:00 pm8:00 pmSame day
3:00 pm9:00 pmSame day
4:00 pm10:00 pmSame day
5:00 pm11:00 pmSame day
6:00 pm12:00 am+1 day
7:00 pm1:00 am+1 day
8:00 pm2:00 am+1 day
9:00 pm3:00 am+1 day
10:00 pm4:00 am+1 day
11:00 pm5:00 am+1 day

Daylight saving time

Both zones observe daylight saving time, but they transition on different dates.

Atlantic Time: next transition on Sunday, November 1, 2026.

Eastern European Time: next transition on Sunday, October 25, 2026.

For approximately 7 days between transitions, the offset between Atlantic Time and Eastern European Time differs from its typical value. Recurring meetings during this window will shift by one hour.

See the daylight saving time page for transition dates across every time zone.

Daylight today

Atlantic Time
Sunrise
5:31 AM
Sunset
8:56 PM
Day length
15h 25m
Eastern European Time
Sunrise
4:04 AM
Sunset
10:36 PM
Day length
18h 32m

Daylight overlap: 11h 4m — 5:31 AM–4:36 PM in Atlantic Time (11:31 AM–10:36 PM in Eastern European Time). Both locations are in daylight during this window.

Cities in these zones

Cities in Atlantic Time

Cities in Eastern European Time

Browse all cities to see the current local time anywhere.

Airports in these zones

Airports in Atlantic Time

  • YHZ

Airports in Eastern European Time

  • HEL

Related conversions

Common conversions

What is 9:00 am AST-ATLANTIC in EET?
9:00 am AST-ATLANTIC is 3:00 pm EET.
What is 12:00 pm AST-ATLANTIC in EET?
12:00 pm AST-ATLANTIC is 6:00 pm EET.
What is 12:30 pm AST-ATLANTIC in EET?
12:30 pm AST-ATLANTIC is 6:30 pm EET.
What is 2:00 pm AST-ATLANTIC in EET?
2:00 pm AST-ATLANTIC is 8:00 pm EET.
What is 5:00 pm AST-ATLANTIC in EET?
5:00 pm AST-ATLANTIC is 11:00 pm EET.
What is 11:30 pm AST-ATLANTIC in EET?
11:30 pm AST-ATLANTIC is 5:30 am EET, the next day.