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Global ClockTime zone converter & meeting planner
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 İzmit

Guangzhou keeps CST (UTC+8) and İzmit keeps UTC+3 (UTC+3) today. İzmit is 5 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: 09:00–13:00 in İzmit (14:00–18:00 your time).

Guangzhou and İzmit 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
İzmit——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Guangzhou and İzmit

Best hours to call

14:00 in Guangzhou
Inside working hours on both sides
09:00 in İzmit
15:00 in Guangzhou
Inside working hours on both sides
10:00 in İzmit
16:00 in Guangzhou
Inside working hours on both sides
11:00 in İzmit
17:00 in Guangzhou
Inside working hours on both sides
12:00 in İzmit

Where daylight saving pulls them apart

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

Also useful

Common questions

How many hours ahead is İzmit of Guangzhou?

İzmit is 5 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 İzmit?

Any hour in 14:00–18:00 Guangzhou time is inside working hours in both cities.

Do Guangzhou and İzmit change clocks on the same date?

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