buncha/time & productivity/tz-convert

Time Zone Converter

Pick the city you’re anchoring around, slide to the meeting time, then add any other cities to see the same moment everywhere at once. Working-hours bands highlight when the time lands in a sane 9-to-6 window.

Anchor city · UK

London

10:16pm

Tue · UTC+0:59

Add cities to compare

Los Angeles

USA

Denver

USA

Chicago

USA

New York

USA

Toronto

Canada

São Paulo

Brazil

London

UK

Paris

France

Berlin

Germany

Istanbul

Türkiye

Moscow

Russia

Dubai

UAE

Mumbai

India

Bangkok

Thailand

Singapore

Singapore

Hong Kong

Hong Kong

Shanghai

China

Tokyo

Japan

Seoul

South Korea

Perth

Australia

Sydney

Australia

Auckland

New Zealand

Honolulu

USA

UTC

Coordinated Time

Comparison board

USA

New YorkUTC−4:01

5:16pm

Tue9-to-6

UK

LondonUTC+0:59

10:16pm

TueAfter hours

Australia

SydneyUTC+9:59

7:16am

Wed · Next dayAfter hours

Times are computed in your browser using the Intl API — no server-side lookups, no analytics on the zones you pick.

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About Time Zone Converter

Compare the same moment across cities worldwide on a working-hours board. Live mode tracks real time; picked mode lets you drag a meeting time and see where it lands for everyone. Handles daylight-saving transitions automatically.

Everything happens on your device. Close the tab and it's gone.