Time difference between London and Istanbul

Istanbul is 3 hours ahead of London.

United Kingdom · Greenwich Mean Time

12:47 AM

Thursday, November 12, 2026

Türkiye · Türkiye Standard Time

3:47 AM

Thursday, November 12, 2026

London to Istanbul time converter

Green rows are office hours in both places; light green rows are when both are awake.

What is the time difference between London and Istanbul?

Istanbul is 3 hours ahead of London. London is on UTC+0 and Istanbul is on UTC+3.

What time is it in Istanbul when it is 9 AM in London?

When it is 9:00 AM in London, it is 12:00 PM in Istanbul.

When is the best time to call Istanbul from London?

The best time to call or meet is 9:00 AM–3:00 PM in London (12:00 PM–6:00 PM in Istanbul), when both places are in normal office hours.

Which days are working days in both London and Istanbul?

Both London and Istanbul usually work Monday to Friday.

Does the time difference between London and Istanbul change?

Yes. Because of daylight saving time, the difference changes on Sunday, March 28, 2027, when Istanbul will be 2 hours ahead of London.

London is 3 hours behind Istanbul. More: time in London · time in Istanbul