Convert time between different world time zones instantly
From Time Zone
To Time Zone
Time
Date
Conversion Result
Conversion Details
How Time Zone Conversion Works
UTC = Universal Coordinated Time (reference)
Local Time = UTC + UTC Offset
Offset Difference = Target Offset - Source Offset
Time zone conversion is essential for international communication and travel planning.
⚠This calculator uses standard UTC offsets. Some regions observe Daylight Saving Time which may shift times by 1 hour seasonally.
Why Convert Time Zones?
Time zone conversion is crucial for scheduling international meetings, planning travel itineraries, making international calls at appropriate hours, and coordinating with global teams and partners across different time zones.
International Meetings
Schedule calls and meetings across time zones without confusion.
Travel Planning
Know the local time at your destination when booking flights.
Global Business
Coordinate with clients and partners across multiple time zones.
Family Connections
Call loved ones at appropriate times across the world.
Teaching Example: 12:00 PM EST (NYC) to Beijing. EST = UTC-5, Beijing = UTC+8. Difference = +13 hours. 12:00 PM + 13 = 1:00 AM next day Beijing time.
Common Time Zone Conversions
NYC to LondonLA to TokyoLondon to DubaiParis to SingaporeSydney to SF
Frequently Asked Questions
How does time zone conversion work?▼
Select source and target time zones, enter the time. The calculator converts by adding/subtracting the UTC offset difference.
What are UTC offsets?▼
UTC offset is the difference in hours between a time zone and UTC. For example, NYC is UTC-5, Tokyo is UTC+9.
Can I convert multiple time zones at once?▼
This calculator converts between two zones. For multiple zones, use the tool multiple times or use world clock applications.
Does DST affect conversions?▼
This tool uses standard UTC offsets. During Daylight Saving Time, some zones shift by 1 hour. Check local times accordingly.
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