Greenwich Mean Time (gmt) is used in United Kingdom. The IANA timezone identifier is Europe/London.

Eastern European Time (eet) is used in Greece. The IANA timezone identifier is Europe/Athens.

GMT to EET Time Converter

Greenwich Mean Time → Eastern European Time

GMT = UTC+1EET = UTC+3

ClockinSync

BASE

09:00

Work Clients Team +

00:0006:0012:0018:0024:00

EET (Athens)

Greece · +2h

11:00

New York

USA · -5h

04:00

Tokyo

Japan · +8h

17:00

Dubai

United Arab Emirates · +3h

12:00

Sydney

Australia · +9h

18:00

GMT (London) to EET (Athens) — exact time difference

GMT (London) is 2 hours behind EET (Athens). When GMT (London) clocks hit noon, EET (Athens) reads 14:00.

GMT (London) runs on Europe/London; EET (Athens) runs on Europe/Athens. Together they are 2 hours apart.

Working hours overlap

Every working day, GMT (London) and EET (Athens) are both in business hours for 6 hours simultaneously.

00:0006:0012:0018:0024:00

GMT (London)

EET (Athens)

Overlap (6h)

Best times to schedule a meeting

There is a 6-hour daily window where both locations are in business hours. The 3 best slots are listed below.

09:00 London / 11:00 Athens✓ Both working

10:00 London / 12:00 Athens✓ Both working

11:00 London / 13:00 Athens✓ Both working

Working hours defined as 09:00–17:00 local time for each location.

Holiday calendar for both locations

⚡ Both locations have upcoming holidays, check availability before scheduling.

GMT (London)6 holidays

Jul 13Battle of the Boyne

Aug 3Summer Bank Holiday

Aug 31Summer Bank Holiday

Nov 30Saint Andrew's Day

Dec 25Christmas Day

EET (Athens)4 holidays

Aug 15Assumption Day

Oct 28Ochi Day

Dec 25Christmas Day

Dec 26St. Stephen's Day

Working across GMT (London) and EET (Athens)

The 2-hour gap between GMT (London) (United Kingdom) and EET (Athens) (Greece) requires some planning — but a 6-hour daily overlap means both teams can connect in real time without unusual scheduling.

💡 Best practice for cross-timezone meetings

✅

If you are in GMT (London), aim for 09:00–10:00, which corresponds to 11:00–12:00 in EET (Athens) — both teams are within working hours.

✅

If you are in GMT (London), aim for 10:00–11:00, which corresponds to 12:00–13:00 in EET (Athens) — both teams are within working hours.

✅

If you are in GMT (London), aim for 11:00–12:00, which corresponds to 13:00–14:00 in EET (Athens) — both teams are within working hours.

Avoid scheduling mistakes — especially around daylight saving changes. Use the ClockinSync Chrome Extension to instantly verify and compare both time zones directly in your browser, without manual calculations.

Add to your browser — Free →

Need a specific time? Use the slider or type directly into the input bar — it understands "3pm", "15:30", and location-specific formats like "9am GMT (London)".

GMT (London) ↔ EET (Athens)

6h of business hours overlap daily (09:00–17:00)

GMT (London)

EET (Athens)

00:00

02:00

01:00

03:00

02:00

04:00

03:00

05:00

04:00

06:00

05:00

07:00

06:00

08:00

07:00

09:00Working

08:00

10:00Working

09:00Working

11:00Working

10:00Working

12:00Working

11:00Working

13:00Working

12:00Working

14:00Working

13:00Working

15:00Working

14:00Working

16:00Working

15:00Working

17:00off

16:00Working

18:00off

17:00

19:00

18:00

20:00

19:00

21:00

20:00

22:00

21:00

23:00

22:00

00:00+1d

23:00

01:00+1d

Working hours: 09:00–17:00 local. Green = both working. Purple = one side only.

Frequently Asked Questions

What is the difference between gmt and eet?

Greenwich Mean Time (gmt) is UTC+1 and Eastern European Time (eet) is UTC+3. The difference between them is 2 hours.

Where is gmt used?

Greenwich Mean Time (gmt) is used in United Kingdom and surrounding regions. The IANA timezone identifier is Europe/London.

Where is eet used?

Eastern European Time (eet) is used in Greece and surrounding regions. The IANA timezone identifier is Europe/Athens.

How do I convert gmt to eet?

Use the interactive converter above. Drag the time slider to any gmt time and the eet equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.

Popular GMT conversions

GMT → New York GMT → Tokyo GMT → Dubai GMT → Sydney GMT → Paris GMT → Berlin GMT → Singapore GMT → Los Angeles GMT → Toronto GMT → Mumbai

Popular EET conversions

London → EET New York → EET Tokyo → EET Dubai → EET Sydney → EET Paris → EET Berlin → EET Singapore → EET Los Angeles → EET Toronto → EET