Skip to content
Global ClockTime zone converter & meeting planner
SETTINGS
Clock
Working hours
Start
09
End
18
Theme

AUTO follows the operating system. Working hours drive the green banding on every grid. All four persist on this device only.

Time in Sendai vs Guangzhou

Sendai keeps JST (UTC+9) and Guangzhou keeps CST (UTC+8) today. Guangzhou is 1 hour behind Sendai; 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).

Sendai and Guangzhou hour by hour, with the working-hour overlap shaded
City00:00 in Sendai01:00 in Sendai02:00 in Sendai03:00 in Sendai04:00 in Sendai05:00 in Sendai06:00 in Sendai07:00 in Sendai08:00 in Sendai09:00 in Sendai10:00 in Sendai11:00 in Sendai12:00 in Sendai13:00 in Sendai14:00 in Sendai15:00 in Sendai16:00 in Sendai17:00 in Sendai18:00 in Sendai19:00 in Sendai20:00 in Sendai21:00 in Sendai22:00 in Sendai23:00 in Sendai
Sendai——000102030405060708091011121314151617181920212223
Guangzhou——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Sendai and Guangzhou

Best hours to call

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

Where daylight saving pulls them apart

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

Also useful

Common questions

How many hours ahead is Guangzhou of Sendai?

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

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

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

Do Sendai and Guangzhou change clocks on the same date?

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