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Global ClockTime zone converter & meeting planner
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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 Sihanoukville vs Guangzhou

Sihanoukville keeps ICT (UTC+7) and Guangzhou keeps CST (UTC+8) today. Guangzhou is 1 hour ahead of Sihanoukville; 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: 10:00–18:00 in Guangzhou (09:00–17:00 your time).

Sihanoukville and Guangzhou hour by hour, with the working-hour overlap shaded
City00:00 in Sihanoukville01:00 in Sihanoukville02:00 in Sihanoukville03:00 in Sihanoukville04:00 in Sihanoukville05:00 in Sihanoukville06:00 in Sihanoukville07:00 in Sihanoukville08:00 in Sihanoukville09:00 in Sihanoukville10:00 in Sihanoukville11:00 in Sihanoukville12:00 in Sihanoukville13:00 in Sihanoukville14:00 in Sihanoukville15:00 in Sihanoukville16:00 in Sihanoukville17:00 in Sihanoukville18:00 in Sihanoukville19:00 in Sihanoukville20:00 in Sihanoukville21:00 in Sihanoukville22:00 in Sihanoukville23:00 in Sihanoukville
Sihanoukville——000102030405060708091011121314151617181920212223
Guangzhou——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Sihanoukville and Guangzhou

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

Best hours to call

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

Where daylight saving pulls them apart

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

Also useful

Common questions

How many hours ahead is Guangzhou of Sihanoukville?

Guangzhou is 1 hour ahead of Sihanoukville right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between Sihanoukville and Guangzhou?

Any hour in 09:00–17:00 Sihanoukville time is inside working hours in both cities.

Do Sihanoukville and Guangzhou change clocks on the same date?

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