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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 Lancaster

Guangzhou keeps CST (UTC+8) and Lancaster keeps PDT (UTC−7) today. Lancaster is 15 hours behind Guangzhou; the rows below read both clocks live.

The working day, side by side

The working days do not meet. there is no working-hour overlap with Lancaster — the nearest workable window is 08:00–09:00 your time (17:00 there).

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

Do more with Guangzhou and Lancaster

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

Best hours to call

there is no working-hour overlap with Lancaster — the nearest workable window is 08:00–09:00 your time (17:00 there).

Where daylight saving pulls them apart

Lancaster next changes on Sunday 1 November 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 Lancaster of Guangzhou?

Lancaster is 15 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 Lancaster?

There is no hour inside working hours in both cities. 08:00–09:00 your time (17:00 there) is the cheapest compromise, and one side is taking a shoulder hour.

Do Guangzhou and Lancaster 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.