Compare time zones side by side, plan international meetings, and see overlapping business hours across cities instantly.
The Earth is divided into standard IANA time zones aligned with lines of longitude so local clocks stay loosely synchronized with solar noon. Coordinated Universal Time (UTC) serves as the zero-point reference against which all positive (+) and negative (-) offsets are calculated.
Many regions shift clocks forward by 1 hour in spring and backward in autumn. Because our engine uses live native IANA timezone databases, all DST transition dates are calculated dynamically for the specific date selected, avoiding the common error of static offset assumptions.
When converting time across large longitudinal distances (such as New York to Tokyo or London to Sydney), the converted time often crosses the midnight threshold. A +1 day badge signifies the destination city is already on the next calendar day.
While most western countries observe Saturday and Sunday as the weekend, several nations follow different work weeks (for instance, Israel and Saudi Arabia observe Friday and Saturday). Our visual meeting planner accounts for country-specific weekend rules to prevent accidental off-day meeting bookings.
Instead of manually calculating individual time offsets for 4 or 5 different team members, the synchronized 24-hour visual grid highlights working hours (9 AM – 6 PM) across all locations simultaneously, making overlap windows instantly obvious.
You can share complete meeting configurations by copying the generated link or downloading an .ics calendar file. All state is preserved directly in the URL and your browser cache without requiring any account creation or personal data collection.
Quick answers about how this tool works.
Plain-language explainers that sit next to this tool.
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