< class="breadcumb-title text-anim" data-cue="slideInUp" data-delay="300">Time Zone Converter
Free Time Zone Converter & Meeting Planner | 400+ Zones | ASLI FORM

Time Zone Converter & Meeting Planner

Select a base date and time, choose your source time zone, and add any number of target cities to compare. The visual planner highlights overlapping working hours automatically.

New York London Paris Dubai Mumbai Singapore Tokyo Sydney
Visual Meeting Planner (24h)
Typical Working Hours (9 AM - 5 PM) Selected Base Time

Professional Time Zone Features

Built on the official IANA time zone database, our converter provides enterprise-grade accuracy for scheduling, travel planning, and global business operations.

  • 400+ IANA Time ZonesComprehensive coverage of every global region, city, and territory.
  • Automatic DST DetectionAccurately calculates Daylight Saving Time transitions for any historical or future date.
  • Visual Meeting Planner24-hour horizontal timeline highlighting overlapping 9-to-5 working hours across all selected zones.
  • Shareable LinksGenerate a unique URL that encodes your exact date, time, and zone selection for easy team sharing.
  • 100% Client-SideAll calculations happen in your browser using the Luxon library. Zero data leaves your device.
  • Works OfflineOnce loaded, the tool functions perfectly without an internet connection.
  • Copy to ClipboardOne-click copying of formatted date, time, and zone information for pasting into emails or chats.
  • Every DeviceOptimized from 240px keypad phones to 4K desktops with touch-friendly controls and readable typography.
Note on Accuracy: This tool uses the official IANA Time Zone Database via the browser's native Intl API and the Luxon library. While highly accurate, governments occasionally change DST rules on short notice. The tool reflects the latest known rules.

How to Plan a Global Meeting in 4 Steps

No software to install and no account to create. Find the perfect meeting time across continents in under a minute.

  • 1
    Set the Base TimeUse the date and time picker to select when the event occurs in the source location.
  • 2
    Choose Source ZoneSelect the city or time zone where the event originates (e.g., "Asia/Kolkata" for India).
  • 3
    Add Target ZonesType or click to add the cities of your remote team members. The list updates instantly.
  • 4
    Check Overlaps & ShareUse the visual planner to find green overlapping hours, then click "Copy Shareable Link" to send to your team.

Frequently Asked Questions

Yes. The ASLI FORM Time Zone Converter is 100% free forever — no registration, no usage limits, no watermarks and no advertisements.
Yes. The tool uses the official IANA time zone database via the Luxon library, which automatically and accurately calculates DST transitions for every region on any given historical or future date.
Absolutely. All time zone calculations happen 100% inside your browser using client-side JavaScript. Your selections and data never leave your device, making it safe for confidential corporate scheduling.
It is a 24-hour horizontal timeline that shows a bar for each selected time zone. Green segments indicate typical working hours (9 AM to 5 PM), making it instantly obvious when all team members are available simultaneously.
Yes. Click the "Copy Shareable Link" button. This generates a unique URL that encodes your selected date, time, and all target zones. Anyone who opens the link will see the exact same conversion.
Yes. The interface is fully responsive and touch-friendly, working flawlessly on small keypad phones (240px+), smartphones, tablets, laptops, and 4K desktops.
Several countries and regions (like India, Nepal, parts of Australia, and Newfoundland) use half-hour or 45-minute offsets from UTC to better align with their solar time. This tool calculates these fractional offsets perfectly.
Reach our support team by phone or WhatsApp at +91-7011993433 (Mon–Sat, 9 AM–7 PM IST) or email support@asliform.in. Every piece of feedback is reviewed and used to improve the tool.

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