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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 Sector 4 vs Guangzhou

Sector 4 keeps EEST (UTC+3) and Guangzhou keeps CST (UTC+8) today. Guangzhou is 5 hours ahead of Sector 4; 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: 14:00–18:00 in Guangzhou (09:00–13:00 your time).

Sector 4 and Guangzhou hour by hour, with the working-hour overlap shaded
City00:00 in Sector 401:00 in Sector 402:00 in Sector 403:00 in Sector 404:00 in Sector 405:00 in Sector 406:00 in Sector 407:00 in Sector 408:00 in Sector 409:00 in Sector 410:00 in Sector 411:00 in Sector 412:00 in Sector 413:00 in Sector 414:00 in Sector 415:00 in Sector 416:00 in Sector 417:00 in Sector 418:00 in Sector 419:00 in Sector 420:00 in Sector 421:00 in Sector 422:00 in Sector 423:00 in Sector 4
Sector 4——000102030405060708091011121314151617181920212223
Guangzhou——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Sector 4 and Guangzhou

Best hours to call

09:00 in Sector 4
Inside working hours on both sides
14:00 in Guangzhou
10:00 in Sector 4
Inside working hours on both sides
15:00 in Guangzhou
11:00 in Sector 4
Inside working hours on both sides
16:00 in Guangzhou
12:00 in Sector 4
Inside working hours on both sides
17:00 in Guangzhou

Where daylight saving pulls them apart

Sector 4 next changes on Sunday 25 October 2026. Between those two dates the gap between the cities is an hour different from the one shown above — which is exactly when a recurring meeting drifts. Every date we track is on the daylight saving page.

Also useful

Common questions

How many hours ahead is Guangzhou of Sector 4?

Guangzhou is 5 hours ahead of Sector 4 right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between Sector 4 and Guangzhou?

Any hour in 09:00–13:00 Sector 4 time is inside working hours in both cities.

Do Sector 4 and Guangzhou change clocks on the same date?

Only one of them does, so the gap between them changes twice a year even though neither city moved relative to the sun.