Istanbul to London Time Difference
London is 2 hours behind Istanbul. When it's 06:08:58 PM in Istanbul, it's 04:08:58 PM in London.
How Many Hours Behind Is London From Istanbul?
London is 2 hours behind Istanbul. So Istanbul is 2 hours ahead of London looking the other way — the same gap, described from the other end.
In practice that means a working day in Istanbul starts when it is already 7:00 AM in London. The gap is not fixed all year: it becomes 3 hours on Sunday, October 25, 2026, when London changes its clocks.
Best Time to Call Istanbul and London
Both cities are inside normal business hours between 11:00 AM and 5:00 PM in Istanbul — that's 9:00 AM to 3:00 PM in London. That's a 6-hour window, so a call fits comfortably in either side's working day.
both at work Istanbul only London only neither — hours shown along the strip are Istanbul local time.
Convert a Specific Time
Pick any date and time in Istanbul to see the exact equivalent in London.
Common Times Converted
Istanbul time on the left, London time on the right.
Istanbul to London: Full 24-Hour Conversion Table
Based on today, Sunday, October 11, 2026 in Istanbul. Shaded rows are working hours; the darker shade marks the hours when both cities are at work.
| Istanbul | London | Working hours |
|---|---|---|
| 12:00 AM | 10:00 PM prev day | — |
| 1:00 AM | 11:00 PM prev day | — |
| 2:00 AM | 12:00 AM | — |
| 3:00 AM | 1:00 AM | — |
| 4:00 AM | 2:00 AM | — |
| 5:00 AM | 3:00 AM | — |
| 6:00 AM | 4:00 AM | — |
| 7:00 AM | 5:00 AM | — |
| 8:00 AM | 6:00 AM | — |
| 9:00 AM | 7:00 AM | Istanbul only |
| 10:00 AM | 8:00 AM | Istanbul only |
| 11:00 AM | 9:00 AM | Both cities |
| 12:00 PM | 10:00 AM | Both cities |
| 1:00 PM | 11:00 AM | Both cities |
| 2:00 PM | 12:00 PM | Both cities |
| 3:00 PM | 1:00 PM | Both cities |
| 4:00 PM | 2:00 PM | Both cities |
| 5:00 PM | 3:00 PM | London only |
| 6:00 PM | 4:00 PM | London only |
| 7:00 PM | 5:00 PM | — |
| 8:00 PM | 6:00 PM | — |
| 9:00 PM | 7:00 PM | — |
| 10:00 PM | 8:00 PM | — |
| 11:00 PM | 9:00 PM | — |
Understanding the Istanbul – London Time Difference
Istanbul runs on Europe/Istanbul, currently UTC+3:00. London runs on Europe/London, currently BST (UTC+1:00). The gap of 2 hours is simply the distance between those two offsets.
London observes Daylight Saving Time and Istanbul does not, so the gap between them shifts by an hour twice a year. The next shift is on Sunday, October 25, 2026, when London adjusts its clocks and the difference becomes 3 hours. Anything scheduled across that date needs checking again.
Full clock-change dates: Daylight Saving Time in the United Kingdom.
Istanbul today
London today
Frequently Asked Questions
What is the time difference between Istanbul and London?
London is currently 2 hours behind Istanbul. That gap becomes 3 hours on Sunday, October 25, 2026, when London changes its clocks.
How many hours behind is London from Istanbul?
London is 2 hours behind Istanbul. Looking at it the other way, Istanbul is 2 hours ahead of London.
What time is it in London when it is 9:00 AM in Istanbul?
When it is 9:00 AM in Istanbul, it is 7:00 AM in London.
Is London ahead of or behind Istanbul?
London is 2 hours behind Istanbul. Istanbul reaches each point in the day first, so London is still getting started while the Istanbul working day is finishing.
What is the best time to call between Istanbul and London?
Between 11:00 AM and 5:00 PM Istanbul time, which is 9:00 AM to 3:00 PM in London. Both cities are inside normal business hours during that window.
Does the time difference between Istanbul and London change during the year?
Yes. London observes Daylight Saving Time and Istanbul does not, so the gap between them shifts during the year. It changes to 3 hours on Sunday, October 25, 2026.
What time zones are Istanbul and London in?
Istanbul uses the Europe/Istanbul time zone, currently UTC+3:00. London uses Europe/London, currently BST (UTC+1:00).