Time difference: Istanbul and London

London is 2 hours behind Istanbul.

London is 2 hours behind Istanbul. Istanbul is UTC+3. London is UTC+1.

Istanbul on 15 October 2026: sunrise 07:15, sunset 18:23, day length 11 h 9 min.

London on 15 October 2026: sunrise 07:24, sunset 18:07, day length 10 h 43 min.

For Istanbul and London: Istanbul has no clock change scheduled in the next year. The last year with a seasonal offset change was 2016. The offset now is UTC+3.

For London and Istanbul: The next clock change in London is 1 hour back on 25 October 2026 at 02:00, from UTC+1 to UTC+0.

When the difference changes
Change
The gap changes on 25 October 2026 at 02:00, when clocks in London move back 1 hour.
The gap changes on 28 March 2027 at 01:00, when clocks in London move forward 1 hour.
The gap changes on 31 October 2027 at 02:00, when clocks in London move back 1 hour.
Working hours from each side
View09:00 to 17:00
From IstanbulIstanbul 11:00 to 17:00; London 09:00 to 15:00
From LondonLondon 09:00 to 15:00; Istanbul 11:00 to 17:00
Hours in Istanbul and London. Shaded cells are 09:00 to 17:00. The stronger shade is when both are.
IstanbulLondon
00:0022:00 (previous day)
01:0023:00 (previous day)
02:0000:00
03:0001:00
04:0002:00
05:0003:00
06:0004:00
07:0005:00
08:0006:00
09:0007:00
10:0008:00
11:0009:00
12:0010:00
13:0011:00
14:0012:00
15:0013:00
16:0014:00
17:0015:00
18:0016:00
19:0017:00
20:0018:00
21:0019:00
22:0020:00
23:0021:00
Sun this year
CityLongest dayShortest day
Istanbul with London21 June 2026, 15 h 8 min21 December 2026, 9 h 13 min
London with Istanbul21 June 2026, 16 h 38 min21 December 2026, 7 h 50 min
Next public holidays
CityDateHoliday
Istanbul and London29 October 2026Cumhuriyet Bayramı
Istanbul and London1 January 2027Yılbaşı
London and Istanbul25 December 2026Christmas Day
London and Istanbul26 December 2026Boxing Day