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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 Bīrjand

Guangzhou keeps CST (UTC+8) and Bīrjand keeps UTC+3:30 (UTC+3:30) today. Bīrjand 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 Bīrjand (13:00–18:00 your time).

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

Do more with Guangzhou and Bīrjand

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, Bīrjand 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 Bīrjand
14:00 in Guangzhou
Inside working hours on both sides
10:00 in Bīrjand
15:00 in Guangzhou
Inside working hours on both sides
11:00 in Bīrjand
16:00 in Guangzhou
Inside working hours on both sides
12:00 in Bīrjand

Where daylight saving pulls them apart

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

Also useful

Common questions

How many hours ahead is Bīrjand of Guangzhou?

Bīrjand 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 Bīrjand?

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

Do Guangzhou and Bīrjand change clocks on the same date?

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