Date, Time & Calendar Tools
100% Client-Side 100% in-browser timezone calculation using browser Intl APIs. Zero tracking.

Time Zone Converter & Meeting Planner

Convert time across global cities and find overlapping international business hours

12-Hour24-Hour

24-Hour Interactive Meeting Overlap Matrix

Find the ideal meeting time where team members across the globe are awake and in business hours.

Selected Cities (5): Click any to toggle
Target Meeting Time in London: 14:00
Work Hours (9-17) Extended (7-9, 17-21) Off / Sleep
City000102030405060708091011121314151617181920212223
🇬🇧London
GMT+1
12345678910111213141516171819202122230
🇺🇸New York
GMT-4
20212223012345678910111213141516171819
🇮🇳Mumbai
GMT+5:30
56789101112131415161718192021222301234
🇯🇵Tokyo
GMT+9
91011121314151617181920212223012345678
🇦🇺Sydney
GMT+11
11121314151617181920212223012345678910
🇬🇧LondonSun, Oct 11
03:00:00 PM🟢 Work
🇺🇸New YorkSun, Oct 11
10:00:00 AM🟢 Work
🇮🇳MumbaiSun, Oct 11
07:30:00 PM🟡 Extended
🇯🇵TokyoSun, Oct 11
11:00:00 PM🌙 Off
🇦🇺SydneyMon, Oct 12
01:00:00 AM🌙 Off

About Time Zone Converter & Meeting Planner

Free online time zone converter. Compare time across major world cities with an interactive 24-hour timeline slider to schedule international meetings during overlapping business hours.

Key Capabilities & Features

  • Interactive 24-hour timeline slider
  • 12 global financial hubs pre-configured
  • Automatic overlapping business hour indicator (9am-6pm)
  • UTC offset and DST awareness
  • Digital 24-hour clock display

How to Use Time Zone Converter & Meeting Planner

1

Adjust Slider

Slide through 00:00 to 23:00 to pick your reference meeting hour.

2

Review Cities

Compare corresponding local times in New York, London, Tokyo, Mumbai, and Sydney.

3

Spot Overlaps

Look for green badges highlighting mutually acceptable work hours.

Privacy & In-Browser Execution Guarantee

100% in-browser timezone calculation using browser Intl APIs. Zero tracking.

Frequently Asked Questions

Does it handle Daylight Saving Time (DST)?

Yes, it leverages the browser's built-in IANA time zone database to automatically reflect live DST shifts.