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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 Guangzhou vs Phnom Penh

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

Guangzhou and Phnom Penh 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
Phnom Penh——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Guangzhou and Phnom Penh

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, Phnom Penh 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 Phnom Penh
11:00 in Guangzhou
Inside working hours on both sides
10:00 in Phnom Penh
12:00 in Guangzhou
Inside working hours on both sides
11:00 in Phnom Penh
13:00 in Guangzhou
Inside working hours on both sides
12:00 in Phnom Penh

Where daylight saving pulls them apart

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

Also useful

Common questions

How many hours ahead is Phnom Penh of Guangzhou?

Phnom Penh 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 Phnom Penh?

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

Do Guangzhou and Phnom Penh change clocks on the same date?

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