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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 Guangzhou vs Nakhon Ratchasima

Guangzhou keeps CST (UTC+8) and Nakhon Ratchasima keeps ICT (UTC+7) today. Nakhon Ratchasima is 1 hour behind 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: 09:00–17:00 in Nakhon Ratchasima (10:00–18:00 your time).

Guangzhou and Nakhon Ratchasima 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
Nakhon Ratchasima——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Guangzhou and Nakhon Ratchasima

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, Nakhon Ratchasima and other cities on screen as live clocks, under an animated sky and sun.

Best hours to call

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

Where daylight saving pulls them apart

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

Also useful

Common questions

How many hours ahead is Nakhon Ratchasima of Guangzhou?

Nakhon Ratchasima is 1 hour behind 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 Nakhon Ratchasima?

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

Do Guangzhou and Nakhon Ratchasima change clocks on the same date?

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