World Time Zone Converter

Convert time between any two cities or time zones instantly. Compare world clocks and find time differences. Free, accurate, no registration needed.

Instant results📱 Mobile friendly🌍 15 languages

Quick Select

World Time Result

🇹🇷

Istanbul

GMT+3

22:18:42

Wed, Apr 22

🇬🇧

London

GMT+1

20:18:42

Wed, Apr 22

Time difference

2h behind

🕐 22:18 Istanbul20:18 London

The World Time Zone Converter displays the current local time in any city and helps schedule meetings, calls and deadlines across time zones without calculation errors. UTC (Coordinated Universal Time) is the universal baseline from which all time zones are offset. New York is UTC-5 (UTC-4 during DST), London UTC+0 (UTC+1 in summer), Tokyo UTC+9 year-round, Dubai UTC+4 and Sydney UTC+10 (UTC+11 during DST).

Daylight Saving Time transitions cause particular confusion because they do not happen simultaneously worldwide. The United States changes clocks several weeks before Europe, creating temporary offset differences that disrupt regular meeting schedules. Always check the DST status of both meeting locations on the specific meeting date. For scheduling across multiple zones, anchor all meetings to UTC and convert to local times. When setting deadlines, specify the time zone explicitly to avoid confusion between team members.

Remote work has made time zone management a core professional skill. A midday meeting in London at 12:00 UTC falls at 07:00 in New York, 20:00 in Tokyo and 22:00 in Sydney — a range that rarely suits everyone simultaneously. Use our Work Hours Calculator to find overlapping working hours, and our Date Calculator for deadline tracking across zones.

Frequently Asked Questions