Time difference between London and Istanbul

Does the gap change?

The gap isn't fixed. London changes its clocks for daylight saving time and Istanbul doesn't, so the difference moves during the year:

• From around October 25, 2026: Istanbul ahead by 3 hours
• From around March 28, 2027: Istanbul ahead by 2 hours

Best time to meet

Office hours in Istanbul and London overlap for about 6 hours a day, from 9 AM to 3 PM in London (11 AM to 5 PM in Istanbul).

City details

• Time zone and daylight saving in London
• Time zone and daylight saving in Istanbul

London to Istanbul, hour by hour

London		Istanbul
12 AM	Night	2 AM	Night
1 AM	Night	3 AM	Night
2 AM	Night	4 AM	Night
3 AM	Night	5 AM	Night
4 AM	Night	6 AM	Night
5 AM	Night	7 AM	Early or late
6 AM	Night	8 AM	Early or late
7 AM	Early or late	9 AM	Work hours
8 AM	Early or late	10 AM	Work hours
9 AM	Work hours	11 AM	Work hours
10 AM	Work hours	12 PM	Work hours
11 AM	Work hours	1 PM	Work hours
12 PM	Work hours	2 PM	Work hours
1 PM	Work hours	3 PM	Work hours
2 PM	Work hours	4 PM	Work hours
3 PM	Work hours	5 PM	Early or late
4 PM	Work hours	6 PM	Early or late
5 PM	Early or late	7 PM	Early or late
6 PM	Early or late	8 PM	Early or late
7 PM	Early or late	9 PM	Early or late
8 PM	Early or late	10 PM	Night
9 PM	Early or late	11 PM	Night
10 PM	Night	12 AM (Tue)	Night
11 PM	Night	1 AM (Tue)	Night

Based on today's clocks. Work hours are 9 AM to 5 PM.