London is 2 hours behind Istanbul.
Time difference
Istanbul is 2 to 3 hours ahead of London, depending on daylight saving time. The gap changes by an hour when London shifts its clocks for daylight saving time; Istanbul stays on the same offset year-round.
Working hours
A standard 9-to-6 workday in London overlaps with Istanbul from 09:00 to 16:00 (11:00 to 18:00 in Istanbul). The easiest time to meet is around 12:30 in London, which is 14:30 in Istanbul.
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