Compare time differences between cities worldwide. Find the exact hour difference, best meeting times, and Daylight Saving Time impacts for 43+ popular city combinations.
Time zone differences exist because the Earth rotates 360 degrees every 24 hours, creating approximately 24 standard time zones. When it's noon in London, it's already evening in Tokyo and early morning in New York. Understanding these differences is crucial for international business, travel planning, and staying connected with people around the world.
Our time difference calculator shows you not just the hour difference between cities, but also the best times for scheduling calls, the impact of Daylight Saving Time (DST) on the time difference, and the overlap in business hours between locations.
Click any city pair below to see detailed time comparison, current local times, and meeting scheduling recommendations.
Click any city pair from the grid above or use the city pages to compare times.
See the exact hour difference, current times in both cities, and DST status.
Find the best overlapping hours for scheduling calls and meetings.
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