Convert times between any time zones with live clocks, UTC offset visualizer, and a multi-zone meeting planner.
What is Time Zone Converter?
A powerful time zone converter with real-time updating clocks for major cities, quick-select buttons for popular zones, a visual UTC offset comparison bar, and a meeting planner that color-codes working hours across multiple time zones to find the best overlap. Uses the Intl API — no external libraries needed.
How to Use
Enter a time and date, then pick From and To timezones
Use quick-select buttons for popular cities
Switch to Meeting Planner to find overlapping work hours across zones
Live clocks show current time in 6 major cities
Frequently Asked Questions
How many timezones are supported?
All IANA timezones your browser supports — typically 400+.
Does it handle daylight saving time?
Yes. It uses the Intl API which automatically accounts for DST rules.
What does the meeting planner do?
It shows a 24-hour grid for multiple timezones, color-coded by work, fringe, and sleep hours, and highlights overlapping business hours.
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Related: timezone converter, time zone, world clock, meeting planner, utc converter, time difference, est to ist, pst to gmt