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Global ClockTime zone converter & meeting planner
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Working hours
Start
09
End
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 Sayama vs Guangzhou

Sayama keeps JST (UTC+9) and Guangzhou keeps CST (UTC+8) today. Guangzhou is 1 hour behind Sayama; 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: 09:00–17:00 in Guangzhou (10:00–18:00 your time).

Sayama and Guangzhou hour by hour, with the working-hour overlap shaded
City00:00 in Sayama01:00 in Sayama02:00 in Sayama03:00 in Sayama04:00 in Sayama05:00 in Sayama06:00 in Sayama07:00 in Sayama08:00 in Sayama09:00 in Sayama10:00 in Sayama11:00 in Sayama12:00 in Sayama13:00 in Sayama14:00 in Sayama15:00 in Sayama16:00 in Sayama17:00 in Sayama18:00 in Sayama19:00 in Sayama20:00 in Sayama21:00 in Sayama22:00 in Sayama23:00 in Sayama
Sayama——000102030405060708091011121314151617181920212223
Guangzhou——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Sayama and Guangzhou

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

Best hours to call

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

Where daylight saving pulls them apart

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

Also useful

Common questions

How many hours ahead is Guangzhou of Sayama?

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

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

Any hour in 10:00–18:00 Sayama time is inside working hours in both cities.

Do Sayama and Guangzhou change clocks on the same date?

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