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Time Zone Converter & World Meeting Planner

Time Zone Converter & World Meeting Planner

Convert dates and hours between any global cities, compare schedules side-by-side on an interactive 24-hour timeline, and plan international meetings without confusion.

Local IANA time zone conversion: All calculations happen locally via Intl.DateTimeFormat with complete daylight saving time precision.

1. Origin Date, Time & City

Interactive 24-hour slider 12:00
00:00 06:00 12:00 18:00 23:00

2. Destination Cities & Zones

Business hours (09:00 - 18:00)

Coordinating Remote Teams & Scheduling Across Multiple Time Zones

The Golden Rule of Working Hours Overlap

When scheduling cross-continental meetings (e.g. Europe and Americas or Asia), locate the common overlap between 14:00 and 17:00 UTC, harmonizing American mornings with European afternoons without unreasonable hours.

Handling Date Rollovers (+1 day / -1 day)

The converter highlights with clear badges whenever a target time rolls over into the next day (+1d) or previous day (-1d), eliminating misunderstandings on project deadlines or travel dates.

Clean Formats for Sharing in Slack, Teams or Email

Clicking "Copy meeting summary" generates a cleanly formatted list with exact converted times for all participants, ready to paste into calendar invites or team chats.

Frequently Asked Questions

How are non-existent or ambiguous hours handled during daylight saving transitions?

During the spring change, one hour is skipped, while during the autumn change, one hour repeats. The converter resolves these edge cases deterministically using UTC timestamps and IANA identifiers.

What format does the meeting copy button generate?

It produces a clean, readable text block listing the meeting date and local time for each attendee city, ready to paste into calendar invites, emails, or Slack.

Can I convert times directly against UTC or GMT?

Yes. The catalog includes the special UTC / GMT zone as origin or target, ideal for software engineers, cloud infrastructure and aviation standards.

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