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AUTO follows the operating system. Working hours drive the green banding on every grid. All four persist on this device only.

Time in Saint-Quentin-en-Yvelines vs Guangzhou

Saint-Quentin-en-Yvelines keeps CEST (UTC+2) and Guangzhou keeps CST (UTC+8) today. Guangzhou is 6 hours ahead of Saint-Quentin-en-Yvelines; 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: 15:00–18:00 in Guangzhou (09:00–12:00 your time).

Saint-Quentin-en-Yvelines and Guangzhou hour by hour, with the working-hour overlap shaded
City00:00 in Saint-Quentin-en-Yvelines01:00 in Saint-Quentin-en-Yvelines02:00 in Saint-Quentin-en-Yvelines03:00 in Saint-Quentin-en-Yvelines04:00 in Saint-Quentin-en-Yvelines05:00 in Saint-Quentin-en-Yvelines06:00 in Saint-Quentin-en-Yvelines07:00 in Saint-Quentin-en-Yvelines08:00 in Saint-Quentin-en-Yvelines09:00 in Saint-Quentin-en-Yvelines10:00 in Saint-Quentin-en-Yvelines11:00 in Saint-Quentin-en-Yvelines12:00 in Saint-Quentin-en-Yvelines13:00 in Saint-Quentin-en-Yvelines14:00 in Saint-Quentin-en-Yvelines15:00 in Saint-Quentin-en-Yvelines16:00 in Saint-Quentin-en-Yvelines17:00 in Saint-Quentin-en-Yvelines18:00 in Saint-Quentin-en-Yvelines19:00 in Saint-Quentin-en-Yvelines20:00 in Saint-Quentin-en-Yvelines21:00 in Saint-Quentin-en-Yvelines22:00 in Saint-Quentin-en-Yvelines23:00 in Saint-Quentin-en-Yvelines
Saint-Quentin-en-Yvelines——000102030405060708091011121314151617181920212223
Guangzhou——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Saint-Quentin-en-Yvelines and Guangzhou

Open in the PlannerAdd more cities, find a meeting time that works for everyone, then share it as a link.Open in Watch ViewKeep Saint-Quentin-en-Yvelines, Guangzhou and other cities on screen as live clocks, under an animated sky and sun.

Best hours to call

09:00 in Saint-Quentin-en-Yvelines
Inside working hours on both sides
15:00 in Guangzhou
10:00 in Saint-Quentin-en-Yvelines
Inside working hours on both sides
16:00 in Guangzhou
11:00 in Saint-Quentin-en-Yvelines
Inside working hours on both sides
17:00 in Guangzhou

Where daylight saving pulls them apart

Saint-Quentin-en-Yvelines 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 Saint-Quentin-en-Yvelines?

Guangzhou is 6 hours ahead of Saint-Quentin-en-Yvelines right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between Saint-Quentin-en-Yvelines and Guangzhou?

Any hour in 09:00–12:00 Saint-Quentin-en-Yvelines time is inside working hours in both cities.

Do Saint-Quentin-en-Yvelines 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.