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Global ClockTime zone converter & meeting planner
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SETTINGS
Clock
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 Porto-Novo

Guangzhou keeps CST (UTC+8) and Porto-Novo keeps WAT (UTC+1) today. Porto-Novo is 7 hours 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: 09:00–11:00 in Porto-Novo (16:00–18:00 your time).

Guangzhou and Porto-Novo 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
Porto-Novo——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Guangzhou and Porto-Novo

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, Porto-Novo and other cities on screen as live clocks, under an animated sky and sun.

Best hours to call

16:00 in Guangzhou
Inside working hours on both sides
09:00 in Porto-Novo
17:00 in Guangzhou
Inside working hours on both sides
10:00 in Porto-Novo

Where daylight saving pulls them apart

Neither Guangzhou nor Porto-Novo changes its clocks, so the gap above holds all year.

Also useful

Common questions

How many hours ahead is Porto-Novo of Guangzhou?

Porto-Novo is 7 hours 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 Porto-Novo?

Any hour in 16:00–18:00 Guangzhou time is inside working hours in both cities.

Do Guangzhou and Porto-Novo change clocks on the same date?

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