Time Zone Difference Calculator
See the real-time difference between two cities. You can also compare for a specific time.
Istanbul · Turkey
19:18:55
4 Mayıs Pazartesi
UTC+3:00
London · United Kingdom
17:18:55
4 Mayıs Pazartesi
UTC+1:00
Never Join a Meeting at the Wrong Time Again
Calculating the time between two different hours can sometimes be confusing, especially for periods that cross midnight. Our time difference calculator automatically computes the total duration between a start and end time.
International Time Differences (Time Zone Difference)
Knowing the time difference between cities in different countries is essential for global meetings. You can instantly find answers to questions like 'How many hours is the difference between Istanbul and New York?' — taking daylight saving differences into account.
Working Hours and Shift Tracking
To calculate how many hours you work per day, simply enter your clock-in and clock-out times. You can subtract breaks to find your net working time and optimise your weekly or monthly work schedule accordingly.
Flight Duration and Travel Planning
Calculating the difference between your flight's departure and arrival times — factoring in the destination's time zone — helps you manage travel fatigue (Jet Lag). Our tool eliminates time confusion and simplifies your travel planning.
Time Difference Between Istanbul and Major Cities
| City | Time Zone | vs. Istanbul |
|---|---|---|
| Istanbul | UTC+3 (TRT) | — |
| London | UTC+0 / UTC+1 (summer) | 2-3 hours behind |
| Berlin / Paris | UTC+1 / UTC+2 (summer) | 1-2 hours behind |
| Dubai | UTC+4 | 1 hour ahead |
| New York | UTC-5 / UTC-4 (summer) | 8-7 hours behind |
| Tokyo | UTC+9 | 6 hours ahead |
* The difference varies by season for countries that observe daylight saving time. Turkey does not observe DST.