World Clock
Display real-time current time for major cities worldwide with multiple timezone support
World Clock
Display real-time current time for major cities worldwide with multiple timezone support
London
United Kingdom
New York
United States
Tokyo
Japan
Beijing
China
Sydney
Australia
Dubai
UAE
How to Use
Features
- • Real-time display of current time in multiple global cities
- • Switch between 12-hour and 24-hour time formats
- • Add or remove cities as needed (max 8 cities)
- • Automatic day/night indication based on local time
Tips
- • Click the time format button to switch between 12H/24H format
- • Use the settings button to add or remove cities
- • Day/night icons indicate whether it's daytime or nighttime in each city
- • Time updates automatically every second with real-time accuracy
About Timezones
Timezones divide the world into 24 regions, each typically spanning 15 degrees of longitude. They help coordinate time across different geographical locations.
Major Timezones
- UTC (协调世界时)
- EST/EDT (美东时间)
- PST/PDT (美西时间)
- CST (中国标准时间)
Daylight Saving
Some regions observe daylight saving time, shifting clocks forward or backward seasonally.
Business Hours
Understanding global business hours is crucial for international communication and scheduling.
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