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EEST/EET

Eastern European Summer Time

GMT +3

12am

3am

6am

9am

12pm

3pm

6pm

9pm

Eastern Europe is on summer time: EEST (UTC+3) until Sun, Oct 25.

Use EET all year (UTC+2)

ADT/AST

Atlantic Daylight Time

GMT -3

12am

3am

6am

9am

12pm

3pm

6pm

9pm

Atlantic Time is on daylight saving time: ADT (UTC−3) until Sun, Nov 1.

Use AST all year (UTC−4)

Quick answers

Selected conversion

3:00 pm15:00 EEST (UTC+3), Oct 3, 2026 = 9:00 am09:00 ADT (UTC-3), Oct 3, 2026

EEST is 6 hours ahead of ADT.

EET and AST examples

These examples always use EET (UTC+2) and AST (UTC-4). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

EET is 6 hours ahead of AST.

How the time difference changes

For most of the year, EEST is 6 hours ahead of ADT. At other times of the year, EET is 6 hours ahead of AST or EET is 5 hours ahead of ADT.

For most of the year, working hours of 9:00 am to 5:00 pm in EEST correspond to 3:00 am to 11:00 am in ADT. At other times of the year, working hours of 9:00 am to 5:00 pm in EET correspond to 3:00 am to 11:00 am in AST or working hours of 9:00 am to 5:00 pm in EET correspond to 4:00 am to 12:00 pm in ADT.For most of the year, working hours of 09:00 to 17:00 in EEST correspond to 03:00 to 11:00 in ADT. At other times of the year, working hours of 09:00 to 17:00 in EET correspond to 03:00 to 11:00 in AST or working hours of 09:00 to 17:00 in EET correspond to 04:00 to 12:00 in ADT.

Compare EET time with AST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Eastern European Summer Time is 6 hours ahead of Atlantic Daylight Time.
3:00 pm15:00 in EEST is 9:00 am09:00 in ADT

EEST to ADT call time
Best time for a conference call or a meeting is between 3pm-5pm15:00-17:00 in EEST which corresponds to 9am-11am09:00-11:00 in ADT

3:00 pm15:00 Eastern European Summer Time (EEST). Offset UTC +3:00 hours
9:00 am09:00 Atlantic Daylight Time (ADT). Offset UTC -3:00 hours

3:00 pm15:00 EEST / 9:00 am09:00 ADT

EEST	ADT
12:00am	6:00pm
1:00am	7:00pm
2:00am	8:00pm
3:00am	9:00pm
4:00am	10:00pm
5:00am	11:00pm
6:00am	12:00am
7:00am	1:00am
8:00am	2:00am
9:00am	3:00am
10:00am	4:00am
11:00am	5:00am
12:00pm	6:00am
1:00pm	7:00am
2:00pm	8:00am
3:00pm	9:00am
4:00pm	10:00am
5:00pm	11:00am
6:00pm	12:00pm
7:00pm	1:00pm
8:00pm	2:00pm
9:00pm	3:00pm
10:00pm	4:00pm
11:00pm	5:00pm
00:00	18:00
01:00	19:00
02:00	20:00
03:00	21:00
04:00	22:00
05:00	23:00
06:00	00:00
07:00	01:00
08:00	02:00
09:00	03:00
10:00	04:00
11:00	05:00
12:00	06:00
13:00	07:00
14:00	08:00
15:00	09:00
16:00	10:00
17:00	11:00
18:00	12:00
19:00	13:00
20:00	14:00
21:00	15:00
22:00	16:00
23:00	17:00

Eastern European Time

Offset: EET is 2 hours ahead Greenwich Mean Time (GMT) and is used in Europe

Countries using this time zone: Åland Islands, Bulgaria, Cyprus, Estonia, Egypt, Finland, Greece, Lebanon, Lithuania, Latvia, Libya, Moldova, Palestine, Romania, Russia, Ukraine

Principal Cities: The largest city in the EET time zone is Cairo in Egypt, with about 9.607 million people. Other major cities in this time zone include Alexandria, Kiev, Al Jizah, Beirut.

German: OEZ - Osteuropäische Zeit

EET Time Zone Geo Map — EET timezone map

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Eastern European Summer Time (EEST).

End: Eastern European Time (EET) ended on Sunday, March 29, 2026 at 3:00 am03:00 local time and clocks were set one hour forward to Sunday, March 29, 2026, 4:00 am04:00 local daylight time instead. Standard time ends annually on the last Sunday of March.

Start: Eastern European Time (EET) starts on Sunday, October 25, 2026 at 4:00 am04:00 local time and clocks are set one hour back to Sunday, October 25, 2026, 3:00 am03:00. Standard time starts annually on the last Sunday of October.

See upcoming clock changes worldwide.

EET representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data

+02 - basic short
+0200 - basic
+02:00 - extended

Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers

+0200 - sign character (+) followed by a four digit time providing hours (02) and minutes (00) of the offset. Indicates an offset of two hours to the east of the zero meridian.

Military/NATO: Used by the U.S. military, Chinese military and others

Bravo - Military abbreviation for EET
B - short form of 'Bravo'

IANA/Olson: Reflects EET time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems

Africa/Cairo
Africa/Tripoli
Asia/Beirut
Asia/Famagusta
Asia/Gaza
Asia/Hebron
Asia/Nicosia
EET
Egypt
Europe/Athens
Europe/Bucharest
Europe/Chisinau
Europe/Helsinki
Europe/Kaliningrad
Europe/Kiev
Europe/Kyiv
Europe/Mariehamn
Europe/Nicosia
Europe/Riga
Europe/Sofia
Europe/Tallinn
Europe/Tiraspol
Europe/Uzhgorod
Europe/Vilnius
Europe/Zaporozhye
Libya

Time zones with the GMT +2 offset:

CEST - Central European Summer Time
EET - Eastern European Time
MESZ - Mitteleuropäische Sommerzeit
B - Bravo Time Zone
CAT - Central Africa Time
IST - Israel Standard Time
SAST - South Africa Standard Time
WAST - West Africa Summer Time

Atlantic Standard Time

Offset: AST is 4 hours behind Greenwich Mean Time (GMT) and is used in North America

Countries using this time zone: Antigua & Barbuda, Anguilla, Aruba, Barbados, St Barthelemy, Bermuda, Caribbean NL, Canada, Curaçao, Dominica, Dominican Republic, Grenada, Greenland, Guadeloupe, St Kitts & Nevis, St Lucia, St Martin (French), Martinique, Montserrat, Puerto Rico, St Maarten (Dutch), Trinidad & Tobago, St Vincent, Virgin Islands (UK), Virgin Islands (US)

Principal Cities: The largest city in the AST time zone is Santo Domingo in Dominican Republic, with about 2.202 million people. Other major cities in this time zone include Santiago de los Caballeros, Santo Domingo Oeste, Halifax, San Juan.

French: HNA - Heure Normale de l'Atlantique

Spanish: AST - Tiempo Estándar del Atlántico

AST Time Zone Geo Map — AST timezone map

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Atlantic Daylight Time (ADT).

End: Atlantic Standard Time (AST) ended on Sunday, March 8, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.

Start: Atlantic Standard Time (AST) starts on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.