Istanbul and London time difference

London is 2 hours behind Istanbul for most of the year.

Plan a meeting in Istanbul and LondonOpens the free planner with both cities: drag the bands to any day and time, add more cities, and share the result.

Work hours overlap for 6 hours: 11:00–17:00 in Istanbul, which is 09:00–15:00 in London.

Hour by hour

On a usual work day (October 14, 2026). Green is 09:00–17:00 work time, dark is night (21:00–07:00).

Istanbul	London
00:00, Night	22:00previous day, Night
01:00, Night	23:00previous day, Night
02:00, Night	00:00, Night
03:00, Night	01:00, Night
04:00, Night	02:00, Night
05:00, Night	03:00, Night
06:00, Night	04:00, Night
07:00, Off hours	05:00, Night
08:00, Off hours	06:00, Night
09:00, Work hours	07:00, Off hours
10:00, Work hours	08:00, Off hours
11:00, Work hours	09:00, Work hours
12:00, Work hours	10:00, Work hours
13:00, Work hours	11:00, Work hours
14:00, Work hours	12:00, Work hours
15:00, Work hours	13:00, Work hours
16:00, Work hours	14:00, Work hours
17:00, Off hours	15:00, Work hours
18:00, Off hours	16:00, Work hours
19:00, Off hours	17:00, Off hours
20:00, Off hours	18:00, Off hours
21:00, Night	19:00, Off hours
22:00, Night	20:00, Off hours
23:00, Night	21:00, Night

Through the year

Dates	Difference
October 8, 2026–October 24, 2026	London is 2 hours behind Istanbul
October 25, 2026–March 27, 2027	London is 3 hours behind Istanbul
March 28, 2027–October 7, 2027	London is 2 hours behind Istanbul

Clock changes

Istanbul does not change its clocks.

London: October 25, 2026: clocks go back 1 hour; March 28, 2027: clocks go forward 1 hour.

Questions

What time is it in London when it is 09:00 in Istanbul?

On a usual day it is 07:00 in London.

Do Istanbul and London change their clocks on the same day?

Only London changes its clocks, so the difference changes with its summer time; see the table above.