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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 Thái Nguyên

Guangzhou keeps CST (UTC+8) and Thái Nguyên keeps ICT (UTC+7) today. Thái Nguyên 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 Thái Nguyên (10:00–18:00 your time).

Guangzhou and Thái Nguyên 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
Thái Nguyên——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Guangzhou and Thái Nguyên

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, Thái Nguyên 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 Thái Nguyên
11:00 in Guangzhou
Inside working hours on both sides
10:00 in Thái Nguyên
12:00 in Guangzhou
Inside working hours on both sides
11:00 in Thái Nguyên
13:00 in Guangzhou
Inside working hours on both sides
12:00 in Thái Nguyên

Where daylight saving pulls them apart

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

Also useful

Common questions

How many hours ahead is Thái Nguyên of Guangzhou?

Thái Nguyên 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 Thái Nguyên?

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

Do Guangzhou and Thái Nguyên change clocks on the same date?

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