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Free Time Zone Converter

Bridge the gap. Compare time zones between major global cities to schedule meetings and calls without the math.

Last Updated: 15 Jan 2026

What is a Time Zone Converter?

A time zone converter is a tool that compares current and future times across different global time zones. It helps you find the time difference between cities, schedule meetings across time zones, and convert times between different locations without manual calculations. Time zone converters are essential for global communication, remote work, and international business.

Time zones are regions that observe the same standard time, typically offset from Coordinated Universal Time (UTC) by whole hours. With over 24 time zones worldwide, converting between them is crucial for scheduling meetings, planning travel, coordinating with international teams, and avoiding timing mistakes.

Why Use Our Free Time Zone Converter?

Meeting Planning

Schedule meetings across time zones effortlessly. Compare times between cities to find convenient meeting times for all participants worldwide.

Visual Time Slider

Use our visual slider to scroll through hours and see how times change simultaneously in both locations. Find overlapping business hours instantly.

DST Handling

Automatically accounts for Daylight Saving Time (DST) changes. Our converter uses browser APIs to handle DST rules for each region automatically.

Common Use Cases for Time Zone Converter

Business & Remote Work

Global Team Meetings
Schedule meetings with team members across different time zones. Find overlapping business hours and convenient meeting times for all participants.
Client Coordination
Coordinate with international clients and partners. Convert times to ensure you're scheduling calls and meetings at appropriate hours.
Deadline Management
Convert deadlines and due dates across time zones. Ensure you understand when deadlines occur in different time zones for global projects.

Travel & Personal

Travel Planning
Plan travel and adjust to different time zones. Know what time it is at your destination and plan activities accordingly.
International Calls
Schedule calls with friends and family in different time zones. Find convenient times for international communication.
Event Coordination
Coordinate events, webinars, or online activities across time zones. Ensure participants know the correct time in their location.

Understanding Time Zones

Standard Time Zones

Time zones are regions that observe the same standard time, typically offset from UTC (Coordinated Universal Time) by whole hours. Major time zones include EST/EDT, PST/PDT, GMT/BST, and many others worldwide.

UTC (Universal Time)

UTC serves as the basis for civil time worldwide. Most time zones are expressed as UTC offset (e.g., UTC-5 for EST, UTC+1 for CET). UTC doesn't observe daylight saving time.

Daylight Saving Time (DST)

Many regions observe DST, advancing clocks by one hour during summer months. Our converter automatically accounts for DST changes using browser APIs, so you don't need to manually adjust.

Time Zone Abbreviations

Time zones use abbreviations like EST (Eastern Standard Time), PST (Pacific Standard Time), GMT (Greenwich Mean Time), CET (Central European Time). These change with DST (EDT, PDT, BST).

Common Time Zones Reference

UTC (Universal Time)

The basis for civil time worldwide. No offset, serves as reference point for all other time zones.

Example cities: London (winter), Reykjavik

EST / EDT (Eastern)

UTC-5 (Standard) / UTC-4 (Daylight Saving). Used in eastern United States and Canada.

Example cities: New York, Toronto, Miami

PST / PDT (Pacific)

UTC-8 (Standard) / UTC-7 (Daylight Saving). Used in western United States and Canada.

Example cities: Los Angeles, Vancouver, Seattle

GMT / BST (London)

UTC+0 (Standard) / UTC+1 (Daylight Saving). Used in United Kingdom and Ireland.

Example cities: London, Dublin, Lisbon

CET / CEST (Central European)

UTC+1 (Standard) / UTC+2 (Daylight Saving). Used in central Europe.

Example cities: Paris, Berlin, Rome, Madrid

JST (Japan Standard Time)

UTC+9. Used in Japan year-round (no DST).

Example cities: Tokyo, Seoul, Osaka

Frequently Asked Questions

Does this handle Daylight Saving Time?

Yes, our converter uses the browser's built-in internationalization API, which automatically accounts for Daylight Saving Time rules for each region.

Can I check a future time?

Yes! Use the slider at the bottom to scroll through the hours of the day and see how the time changes in both locations simultaneously.

How accurate are the time conversions?

Our converter uses browser APIs that follow official time zone databases, ensuring accurate conversions that account for DST, time zone changes, and regional variations.

What's the difference between EST and EDT?

EST (Eastern Standard Time) is UTC-5 and used during winter. EDT (Eastern Daylight Time) is UTC-4 and used during summer DST. Our converter automatically switches between them.