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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 Hamamatsu vs Shanghai

Hamamatsu keeps JST (UTC+9) and Shanghai keeps CST (UTC+8) today. Shanghai is 1 hour behind Hamamatsu; 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 Shanghai (10:00–18:00 your time).

Hamamatsu and Shanghai hour by hour, with the working-hour overlap shaded
City00:00 in Hamamatsu01:00 in Hamamatsu02:00 in Hamamatsu03:00 in Hamamatsu04:00 in Hamamatsu05:00 in Hamamatsu06:00 in Hamamatsu07:00 in Hamamatsu08:00 in Hamamatsu09:00 in Hamamatsu10:00 in Hamamatsu11:00 in Hamamatsu12:00 in Hamamatsu13:00 in Hamamatsu14:00 in Hamamatsu15:00 in Hamamatsu16:00 in Hamamatsu17:00 in Hamamatsu18:00 in Hamamatsu19:00 in Hamamatsu20:00 in Hamamatsu21:00 in Hamamatsu22:00 in Hamamatsu23:00 in Hamamatsu
Hamamatsu——000102030405060708091011121314151617181920212223
Shanghai——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Hamamatsu and Shanghai

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

Best hours to call

10:00 in Hamamatsu
Inside working hours on both sides
09:00 in Shanghai
11:00 in Hamamatsu
Inside working hours on both sides
10:00 in Shanghai
12:00 in Hamamatsu
Inside working hours on both sides
11:00 in Shanghai
13:00 in Hamamatsu
Inside working hours on both sides
12:00 in Shanghai

Where daylight saving pulls them apart

Neither Hamamatsu nor Shanghai changes its clocks, so the gap above holds all year.

Also useful

Common questions

How many hours ahead is Shanghai of Hamamatsu?

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

What is the best time to call between Hamamatsu and Shanghai?

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

Do Hamamatsu and Shanghai change clocks on the same date?

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