Istanbul to London time
London is 3 hours behind Istanbul.
Time difference between Istanbul and London
London is 3 hours behind Istanbul. Istanbul is on Türkiye Standard Time (UTC+03:00) and London is on Greenwich Mean Time (GMT (UTC+00:00)).
The gap is not constant. Because of daylight saving it varies from 2 hours to 3 hours over the year.
Convert Istanbul time to London time
These examples use the current offsets, UTC+03:00 for Istanbul and UTC+00:00 for London. Use the converter above for any other time or date.
London is behind, so from midnight to 3:00 AM in Istanbul it is still the previous calendar day in London.
| Istanbul time | London time |
|---|---|
| 6:00 AM | 3:00 AM |
| 9:00 AM | 6:00 AM |
| 12:00 PM | 9:00 AM |
| 3:00 PM | 12:00 PM |
| 6:00 PM | 3:00 PM |
| 9:00 PM | 6:00 PM |
Best time to call or meet: Istanbul and London working hours
Taking 9:00 AM to 5:00 PM, Monday to Friday, as business hours, both cities are at work from 12:00 PM to 5:00 PM in Istanbul (9:00 AM to 2:00 PM in London). That is 5 hours of shared working time each weekday.
Weekends, public holidays and local working weeks differ by country, so check those before booking.
Daylight saving time in Istanbul and London
Istanbul does not change its clocks for daylight saving, so its UTC offset stays the same all year.
London observes daylight saving time. Its next change is on Mar 28, 2027 at 1:00 AM, when clocks go forward 1 hour (UTC+00:00 to UTC+01:00).