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Global ClockTime zone converter & meeting planner
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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 Shanghai vs Si Racha

Shanghai keeps CST (UTC+8) and Si Racha keeps ICT (UTC+7) today. Si Racha is 1 hour behind Shanghai; 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 Si Racha (10:00–18:00 your time).

Shanghai and Si Racha hour by hour, with the working-hour overlap shaded
City00:00 in Shanghai01:00 in Shanghai02:00 in Shanghai03:00 in Shanghai04:00 in Shanghai05:00 in Shanghai06:00 in Shanghai07:00 in Shanghai08:00 in Shanghai09:00 in Shanghai10:00 in Shanghai11:00 in Shanghai12:00 in Shanghai13:00 in Shanghai14:00 in Shanghai15:00 in Shanghai16:00 in Shanghai17:00 in Shanghai18:00 in Shanghai19:00 in Shanghai20:00 in Shanghai21:00 in Shanghai22:00 in Shanghai23:00 in Shanghai
Shanghai——000102030405060708091011121314151617181920212223
Si Racha——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Shanghai and Si Racha

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

Best hours to call

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

Where daylight saving pulls them apart

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

Also useful

Common questions

How many hours ahead is Si Racha of Shanghai?

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

What is the best time to call between Shanghai and Si Racha?

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

Do Shanghai and Si Racha change clocks on the same date?

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