Common Hour
Phase alignment · 2 dials

Compare time across zones

Free world clock and meeting planner. Compare any two cities, find a common hour for global teams, and visualize daylight saving time across countries.

Delta+15H
Dial · 1UTC-06Live
Ciudad de México
:27
Night
Mexico
MON, MAY 04, 2026
Dial · 2UTC+09Live
Tokyo
:27
Dusk
日本
MON, MAY 04, 2026
Tap the digits to adjust the hour
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Horizon · 24H
Working hours overlap·Reference: CIUDAD DE MÉXICO · UTC-06
No overlap
00
06
12
18
Ciudad de MéxicoUTC-06 · +0h
TokyoUTC+09 · +15h
04:46
Common windowNo overlap
No overlap
Working hours
Common overlap
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About

Common Hour helps you compare time zones, plan meetings across continents, and find the best moment to talk.

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© 2026 Common Hour · v1.3

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