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Istanbul to London Time Difference

London is 3 hours behind Istanbul.

Turkey

Istanbul

--:--

Europe/Istanbul

United Kingdom

London

--:--

Europe/London

Best Meeting Times

Option 1

Istanbul 12:00

London 09:00

Option 2

Istanbul 13:00

London 10:00

Option 3

Istanbul 14:00

London 11:00

Daylight Saving Time Notice: London observes DST. Times may shift by 1 hour during DST transitions.

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Time zones for Istanbul and London

Istanbul

Europe/Istanbul

  • Standard: +03 (UTC+3)
  • Daylight: Not observed

London

Europe/London

  • Standard: GMT (UTC+0)
  • Daylight: BST (UTC+1)

The live tables below automatically reflect the current offset and any daylight‑saving changes.

Weekly Meeting Planner

Based on standard business hours
Day Istanbul London Overlap Status
Monday 12:00-18:00 09:00-15:00 6h Excellent
Tuesday 12:00-18:00 09:00-15:00 6h Excellent
Wednesday 12:00-18:00 09:00-15:00 6h Excellent
Thursday 12:00-18:00 09:00-15:00 6h Excellent
Friday 12:00-18:00 09:00-15:00 6h Excellent
Saturday Weekend Weekend No overlap Unavailable
Sunday Weekend Weekend No overlap Unavailable
Excellent (4+ hours overlap)
Good (2-4 hours overlap)
Limited overlap
Weekend/Unavailable

Weekend Note

Istanbul: Saturday, Sunday • London: Saturday, Sunday

Movable public holidays and seasonal observances (e.g., Ramadan/Eid, Lunar New Year) vary by country and may affect working hours. Holiday overlays aren’t enabled here yet—please confirm with local calendars.

24-Hour Time Comparison

Show details
IstanbulLondonIstanbul StatusLondon StatusMeeting Quality
00:0021:00NightEvening
01:0022:00NightNight
02:0023:00NightNight
03:0000:00NightNight
04:0001:00NightNight
05:0002:00NightNight
06:0003:00MorningNight
07:0004:00MorningNight
08:0005:00MorningNight
09:0006:00BusinessMorning
10:0007:00BusinessMorning
11:0008:00BusinessMorning
12:0009:00BusinessBusiness
13:0010:00BusinessBusiness
14:0011:00BusinessBusiness
15:0012:00BusinessBusiness
16:0013:00BusinessBusiness
17:0014:00BusinessBusiness
18:0015:00EveningBusiness
19:0016:00EveningBusiness
20:0017:00EveningBusiness
21:0018:00EveningEvening
22:0019:00NightEvening
23:0020:00NightEvening
Excellent for meetings
Acceptable
Not recommended

Understanding the Time Difference Between Istanbul and London

London operates on the Europe/London timezone, which is 3 hours behind Istanbul's Europe/Istanbul timezone. This means when it's noon in Istanbul, it's 9:00 in London.

Best Hours for Business Communication

The optimal window for scheduling calls or meetings between Istanbul and London is when both cities are within their standard business hours (9:00-18:00 in Istanbul and 9:00-17:00 in London).

Based on this overlap, we recommend scheduling meetings during the shared business hours window where both cities are within their typical 9:00–17:00 workday.

Daylight Saving Time Considerations

London also observes Daylight Saving Time. During DST transitions, the time difference may temporarily change by one hour. Always verify the current time difference during March/April and October/November.

Practical Examples

For Remote Teams

If you manage a team spread across Istanbul and London, consider scheduling daily standups during overlapping business hours. This ensures both teams are alert and productive during the meeting.

For International Business

When conducting business calls between Istanbul and London, the morning hours in London typically offer the best overlap with afternoon hours in Istanbul.

Frequently Asked Questions

What is the time difference between Istanbul and London?

London is 3 hours behind Istanbul. When it's 12:00 PM (noon) in Istanbul, it's 9:00 in London.

What are the best times to schedule a meeting between Istanbul and London?

The best meeting times are during overlapping business hours in both cities, usually when morning in one overlaps with late afternoon in the other. We recommend scheduling during overlapping business hours in both cities.

Does Istanbul or London observe Daylight Saving Time?

Istanbul does not observe Daylight Saving Time. London observes Daylight Saving Time.

How do I convert time from Istanbul to London?

To convert time from Istanbul to London, subtract 3 hours from Istanbul time. For example, 9:00 AM in Istanbul is 6:00 in London.

What are the business hours in Istanbul and London?

Standard business hours in Istanbul are 9:00 AM to 18:00. In London, business hours are typically 9:00 AM to 17:00.

Related Time Comparisons

Explore more for Istanbul and London

Explore more comparisons for each city — or open the city pages for local details like business hours, holidays, and daylight‑saving notes.