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A
Alpha Time Zone
GMT +1
12am
3am
6am
9am
12pm
3pm
6pm
9pm
EEST
Eastern European Summer Time
GMT +3
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

1:00 pm13:00 A (UTC+1), Oct 5, 2026 = 3:00 pm15:00 EEST (UTC+3), Oct 5, 2026

A is 2 hours behind EEST.

A and EEST examples

These examples always use A (UTC+1) and EEST (UTC+3). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

A is 2 hours behind EEST.

How the time difference changes

For most of the year, A is 2 hours behind EEST. At other times of the year, A is 1 hour behind EET.

For most of the year, working hours of 9:00 am to 5:00 pm in A correspond to 11:00 am to 7:00 pm in EEST. At other times of the year, working hours of 9:00 am to 5:00 pm in A correspond to 10:00 am to 6:00 pm in EET.For most of the year, working hours of 09:00 to 17:00 in A correspond to 11:00 to 19:00 in EEST. At other times of the year, working hours of 09:00 to 17:00 in A correspond to 10:00 to 18:00 in EET.

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

Time Difference

Alpha Time Zone is 2 hours behind Eastern European Summer Time.
1:00 pm13:00 in A is 3:00 pm15:00 in EEST

A to EEST call time
Best time for a conference call or a meeting is between 9am-3pm09:00-15:00 in A which corresponds to 11am-5pm11:00-17:00 in EEST

1:00 pm13:00 Alpha Time Zone (A). Offset UTC +1:00 hour
3:00 pm15:00 Eastern European Summer Time (EEST). Offset UTC +3:00 hours

1:00 pm13:00 A / 3:00 pm15:00 EEST

AEEST
12:00am2:00am
1:00am3:00am
2:00am4:00am
3:00am5:00am
4:00am6:00am
5:00am7:00am
6:00am8:00am
7:00am9:00am
8:00am10:00am
9:00am11:00am
10:00am12:00pm
11:00am1:00pm
12:00pm2:00pm
1:00pm3:00pm
2:00pm4:00pm
3:00pm5:00pm
4:00pm6:00pm
5:00pm7:00pm
6:00pm8:00pm
7:00pm9:00pm
8:00pm10:00pm
9:00pm11:00pm
10:00pm12:00am
11:00pm1:00am
00:0002:00
01:0003:00
02:0004:00
03:0005:00
04:0006:00
05:0007:00
06:0008:00
07:0009:00
08:0010:00
09:0011:00
10:0012:00
11:0013:00
12:0014:00
13:0015:00
14:0016:00
15:0017:00
16:0018:00
17:0019:00
18:0020:00
19:0021:00
20:0022:00
21:0023:00
22:0000:00
23:0001:00

Alpha Time Zone

Offset: A is 1 hour ahead Greenwich Mean Time (GMT) and is used in Military

Daylight Saving: Clocks in Alpha Time Zone (A) do not change for daylight saving time, so A stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.

A representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +01 - basic short
  • +0100 - basic
  • +01:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates an offset of one hour to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Alpha - Military abbreviation for A
  • A - short form of 'Alpha'
Time zones with the GMT +1 offset:
  • BST - British Summer Time
  • CET - Central European Time
  • IST - Irish Standard Time
  • WEST - Western European Summer Time
  • A - Alpha Time Zone
  • CET - Central European Time
  • MEZ - Mitteleuropäische Zeit
  • WAT - West Africa Time
  • WST - Western Sahara Summer Time
  • BMT - Biel Mean Time

Eastern European Summer Time

Offset: EEST is 3 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, Moldova, Palestine, Romania, Ukraine

Principal Cities: The largest city in the EEST 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: OESZ - Osteuropäische Sommerzeit

EEST Time Zone Geo Map
EEST timezone map

Daylight Saving: Eastern European Summer Time (EEST) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Eastern European Time (EET).

Daylight saving time clock moves forward for one hourStart: Eastern European Summer Time (EEST) started 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. Daylight saving starts annually on the last Sunday of March.

Daylight saving time clock moves back for one hourEnd: Eastern European Summer Time (EEST) ends 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 local standard time instead. Daylight saving ends annually on the last Sunday of October.

See upcoming clock changes worldwide.

EEST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +03 - basic short
  • +0300 - basic
  • +03:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0300 - sign character (+) followed by a four digit time providing hours (03) and minutes (00) of the offset. Indicates an offset of three hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Charlie - Military abbreviation for EEST
  • C - short form of 'Charlie'
IANA/Olson: Reflects EEST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Africa/Cairo
  • Asia/Beirut
  • Asia/Famagusta
  • Asia/Gaza
  • Asia/Hebron
  • Asia/Nicosia
  • EET
  • Egypt
  • Europe/Athens
  • Europe/Bucharest
  • Europe/Chisinau
  • Europe/Helsinki
  • Europe/Kiev
  • Europe/Kyiv
  • Europe/Mariehamn
  • Europe/Nicosia
  • Europe/Riga
  • Europe/Sofia
  • Europe/Tallinn
  • Europe/Tiraspol
  • Europe/Uzhgorod
  • Europe/Vilnius
  • Europe/Zaporozhye
Time zones with the GMT +3 offset:
  • EEST - Eastern European Summer Time
  • MSK - Moscow Standard Time
  • AST - Arabia Standard Time
  • C - Charlie Time Zone
  • EAT - Eastern Africa Time
  • FET - Further Eastern European Time
  • IDT - Israel Daylight Time
  • TRT - Turkey Time