London to Istanbul Time Converter
Europe/London → Europe/Istanbul
:London
15:00Istanbul
UTC+00:00 → UTC+03:00 (+3h)
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24-hour conversion table
| London | Istanbul |
|---|---|
| 00:00 | 03:00 |
| 01:00 | 04:00 |
| 02:00 | 05:00 |
| 03:00 | 06:00 |
| 04:00 | 07:00 |
| 05:00 | 08:00 |
| 06:00 | 09:00 |
| 07:00 | 10:00 |
| 08:00 | 11:00 |
| 09:00 | 12:00 |
| 10:00 | 13:00 |
| 11:00 | 14:00 |
| 12:00 | 15:00 |
| 13:00 | 16:00 |
| 14:00 | 17:00 |
| 15:00 | 18:00 |
| 16:00 | 19:00 |
| 17:00 | 20:00 |
| 18:00 | 21:00 |
| 19:00 | 22:00 |
| 20:00 | 23:00 |
| 21:00 | 00:00+1 day |
| 22:00 | 01:00+1 day |
| 23:00 | 02:00+1 day |
Time difference in 2026
- 2026-01-01–2026-03-29: Istanbul is 3 h ahead of London
- 2026-03-29–2026-10-25: Istanbul is 2 h ahead of London
- 2026-10-25–2026-12-31: Istanbul is 3 h ahead of London
Business hours overlap (09:00–17:00)
London 09:00–14:00 = Istanbul 12:00–17:00
About this time difference
In standard time, Istanbul is 3 h ahead of London. London observes daylight saving time; in 2026 the clocks change on March 29 and October 25. Istanbul does not observe daylight saving time (no clock changes since 2016). As a result, the time difference changes 2 times a year, ranging from 2 h to 3 h.
The two cities compared
| London | Istanbul | |
|---|---|---|
| Country | United Kingdom | Türkiye |
| Time zone | Europe/London | Europe/Istanbul |
| Standard time (UTC offset) | UTC+00:00 | UTC+03:00 |
| Daylight saving time | Observed | Abolished in 2016 |
| Population | 8,982,000 | 15,460,000 |
Frequently asked questions
- What is the time difference between London and Istanbul?
- Winter: 3 h; Summer: 2 h.
- What time is it in Istanbul when it is noon in London?
- Winter: 15:00 in Istanbul (same day); Summer: 14:00 in Istanbul (same day).
- Do business hours (09:00–17:00) in the two cities overlap?
- Yes. Winter: 09:00–14:00 in London (12:00–17:00 in Istanbul); Summer: 09:00–15:00 in London (11:00–17:00 in Istanbul).
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