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Global ClockTime zone converter & meeting planner
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09
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18
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AUTO follows the operating system. Working hours drive the green banding on every grid. All four persist on this device only.

Time in Guangzhou vs Osaka

Guangzhou keeps CST (UTC+8) and Osaka keeps JST (UTC+9) today. Osaka is 1 hour ahead of Guangzhou; the rows below read both clocks live.

The working day, side by side

Hours shaded in both rows are inside working hours in both cities: 10:00–18:00 in Osaka (09:00–17:00 your time).

Guangzhou and Osaka hour by hour, with the working-hour overlap shaded
City00:00 in Guangzhou01:00 in Guangzhou02:00 in Guangzhou03:00 in Guangzhou04:00 in Guangzhou05:00 in Guangzhou06:00 in Guangzhou07:00 in Guangzhou08:00 in Guangzhou09:00 in Guangzhou10:00 in Guangzhou11:00 in Guangzhou12:00 in Guangzhou13:00 in Guangzhou14:00 in Guangzhou15:00 in Guangzhou16:00 in Guangzhou17:00 in Guangzhou18:00 in Guangzhou19:00 in Guangzhou20:00 in Guangzhou21:00 in Guangzhou22:00 in Guangzhou23:00 in Guangzhou
Guangzhou——000102030405060708091011121314151617181920212223
Osaka——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Guangzhou and Osaka

Open in the PlannerAdd more cities, find a meeting time that works for everyone, then share it as a link.Open in Watch ViewKeep Guangzhou, Osaka and other cities on screen as live clocks, under an animated sky and sun.

Best hours to call

09:00 in Guangzhou
Inside working hours on both sides
10:00 in Osaka
10:00 in Guangzhou
Inside working hours on both sides
11:00 in Osaka
11:00 in Guangzhou
Inside working hours on both sides
12:00 in Osaka
12:00 in Guangzhou
Inside working hours on both sides
13:00 in Osaka

Where daylight saving pulls them apart

Neither Guangzhou nor Osaka changes its clocks, so the gap above holds all year.

Also useful

Common questions

How many hours ahead is Osaka of Guangzhou?

Osaka is 1 hour ahead of Guangzhou right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between Guangzhou and Osaka?

Any hour in 09:00–17:00 Guangzhou time is inside working hours in both cities.

Do Guangzhou and Osaka change clocks on the same date?

Neither city changes its clocks, so the gap between them never moves.