Built for people who book real meetings
For remote teams
Find the overlap window where every teammate is awake and at a desk — no more 6 AM standups for someone in Sydney.
For freelancers
Quote calls in the client's local time without doing math. Drag the slider, copy the line, send the proposal.
For global companies
Plan all-hands, on-call rotations, and product launches across continents with the working-hours band as a guide.
Frequently asked questions
How do I convert time between cities?
Add the cities you care about, then drag the slider on any card. Every other city updates instantly to show the matching local time.
Does Zonelyy handle daylight saving time?
Yes. Zonelyy uses the IANA time zone database via the browser, so DST transitions are handled automatically for every supported city.
Can I share a converted time with someone?
Yes. Click Share view to copy a link that locks the exact moment and the cities you have on screen.
Do my saved cities stay between visits?
Yes — your selected cities, home city, and 12/24h preference save in your browser. No account, no server.
Is Zonelyy free?
Zonelyy is free and works in any modern browser. No sign-up is required.