Timezone tools for teams · Runs locally · Free

Every time zone tool your team needs, in one place.

Convert any time or deadline between zones, find the window when your whole team is online, plan meetings that respect everyone's working hours, and check live clocks for any city. Everything runs in your browser. Share results with one link, no account required.

Zero data collectionWorks offlineIANA timezone databaseFree forever
11,000+
Conversion, meeting, and city pages
6
Continents of cities with live clocks
59%
Teams span 3+ time zones
1 link
Shares any result, no signup

All times use the IANA time zone database, the same source that powers operating systems and major calendars.

Why DST matters

Why your Thursday 3pm call is about to become 2pm.

North America and Europe change clocks on different Sundays — every cross-Atlantic meeting silently drifts.

12-week view · London–New York recurring call
London teamNew York teamDST gap (shifted by 1hr)
London team
New York team
Wk 1↑ US fwd↑ UK fwdWk 12

During weeks 4–6 your meeting silently moves by 1 hour for one side. Check your invites before the gap.

Reference pages

Explore timezone and meeting guides

Pre-built pages for city pairs, abbreviation conversions, common deadlines, and DST transitions.

FAQ

Frequently asked questions

Everything you need to know about converting times, planning meetings, and how Convert Timezone works. Browse the reference hubs for deeper, city-by-city detail.

Four things, all free and in your browser: convert any time or abbreviation between zones, translate a client deadline to your local time with a countdown, find the working-hour overlap for your team, and rank meeting slots for up to eight people. Plus thousands of reference pages for city pairs, conversions, and live clocks.

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