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City to city

London to Istanbul time — Istanbul is 3 hours ahead

Istanbul is 3 hours ahead of London during standard time. Once daylight saving begins the gap becomes 2 hours ahead, because the two cities do not change their clocks in step. Their normal working days overlap by roughly 6 hours.

Standard time

3 hours ahead

Applies while neither zone is on daylight saving — broadly November to March in the northern hemisphere.

Daylight saving

2 hours ahead

Applies while the clocks are forward. This pair does not keep a constant gap, so check the date.

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How the two zones line up

London runs on Europe/London (UTC+0 in winter) and Istanbul on Europe/Istanbul (UTC+3). The difference between those offsets is what you add or subtract when converting a meeting time.

Daylight saving

The two working days overlap almost completely, so any normal meeting slot works for both sides.

Where this conversion gets used

  • Cross-border project calls
  • European market hours
  • logistics cut-offs
  • multi-country payroll deadlines

London to Istanbul — every hour

Both columns are computed from the IANA database, so they follow the real transition dates.

LondonIstanbul — standardIstanbul — daylight saving
12:00 am3:00 am2:00 am
1:00 am4:00 am3:00 am
2:00 am5:00 am4:00 am
3:00 am6:00 am5:00 am
4:00 am7:00 am6:00 am
5:00 am8:00 am7:00 am
6:00 am9:00 am8:00 am
7:00 am10:00 am9:00 am
8:00 am11:00 am10:00 am
9:00 am12:00 pm11:00 am
10:00 am1:00 pm12:00 pm
11:00 am2:00 pm1:00 pm
12:00 pm3:00 pm2:00 pm
1:00 pm4:00 pm3:00 pm
2:00 pm5:00 pm4:00 pm
3:00 pm6:00 pm5:00 pm
4:00 pm7:00 pm6:00 pm
5:00 pm8:00 pm7:00 pm
6:00 pm9:00 pm8:00 pm
7:00 pm10:00 pm9:00 pm
8:00 pm11:00 pm10:00 pm
9:00 pm12:00 am (next day)11:00 pm
10:00 pm1:00 am (next day)12:00 am (next day)
11:00 pm2:00 am (next day)1:00 am (next day)

Questions people ask

Istanbul is 3 hours ahead of London during standard time, and 2 hours ahead while daylight saving is running.

Related conversions

Berlin to Moscow timeLondon to Lisbon timeLondon to Moscow timeParis to Madrid time

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Booking something recurring?

A fixed clock time drifts when either side changes its clocks. Our guides explain how to stop that happening.

Read the DST guidePlan a meeting