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Global ClockTime zone converter & meeting planner
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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 Khomeynī Shahr

Guangzhou keeps CST (UTC+8) and Khomeynī Shahr keeps UTC+3:30 (UTC+3:30) today. Khomeynī Shahr is 4½ 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: 09:00–14:00 in Khomeynī Shahr (13:00–18:00 your time).

Guangzhou and Khomeynī Shahr 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
Khomeynī Shahr——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Guangzhou and Khomeynī Shahr

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, Khomeynī Shahr and other cities on screen as live clocks, under an animated sky and sun.

Best hours to call

13:00 in Guangzhou
Inside working hours on both sides
09:00 in Khomeynī Shahr
14:00 in Guangzhou
Inside working hours on both sides
10:00 in Khomeynī Shahr
15:00 in Guangzhou
Inside working hours on both sides
11:00 in Khomeynī Shahr
16:00 in Guangzhou
Inside working hours on both sides
12:00 in Khomeynī Shahr

Where daylight saving pulls them apart

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

Also useful

Common questions

How many hours ahead is Khomeynī Shahr of Guangzhou?

Khomeynī Shahr is 4½ 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 Khomeynī Shahr?

Any hour in 13:00–18:00 Guangzhou time is inside working hours in both cities.

Do Guangzhou and Khomeynī Shahr change clocks on the same date?

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