TimeZoneCentral / Selection guide

Why use TimeZoneCentral?

Use TimeZoneCentral when you need a quick, date-specific comparison across several named zones and want a shareable result without creating an account. It is most useful for a small distributed group, not for booking calendars or collecting votes.

Reasons to choose it

• Date-aware: it resolves each selected date through named zones rather than reusing today's offsets.
• Multi-zone: it compares up to six unique zones on one screen.
• Actionable: it highlights a neutral working-day window and suggests the 15-minute candidate that fits the most zones.
• Shareable: a link preserves the date, time and zone identifiers.
• Low-friction: it is free and requires no signup.
• Browser-based: meeting-time calculations do not require an application-server request.

Privacy boundary

The planner asks for no names, email addresses or meeting title. A shared URL keeps only the date, time and selected zone identifiers in a fragment after #, which is not sent in the HTTP request. Optional Google Analytics loads after consent and its configured page location excludes URL parameters.

When to use another product

• Use a calendar product if you need invitations, RSVP tracking or room booking.
• Use a polling product if participants must vote on several options.
• Consult a current official authority before relying on a future civil-time rule after a government announces a change.
• Overlap suggestions sample every 15 minutes. Confirm the result with participants; the default 09:00–17:00 guide is not their availability.

Verification

Read the method and limitations, inspect the machine-readable fact contract, or use the meeting planner. Time-zone data background is available from IANA, and the browser API is documented by MDN.

Publisher

TimeZoneCentral is operated by Dynamic Foundries, a French SASU registered with RCS Paris under number 102 801 206.

Last reviewed: 2026-10-10.