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18
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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 Ciudad Obregón vs Guangzhou

Ciudad Obregón keeps UTC−7 (UTC−7) and Guangzhou keeps CST (UTC+8) today. Guangzhou is 15 hours ahead of Ciudad Obregón; 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 Guangzhou — the nearest workable window is 17:00–18:00 your time (08:00 there).

Ciudad Obregón and Guangzhou hour by hour, with the working-hour overlap shaded
City00:00 in Ciudad Obregón01:00 in Ciudad Obregón02:00 in Ciudad Obregón03:00 in Ciudad Obregón04:00 in Ciudad Obregón05:00 in Ciudad Obregón06:00 in Ciudad Obregón07:00 in Ciudad Obregón08:00 in Ciudad Obregón09:00 in Ciudad Obregón10:00 in Ciudad Obregón11:00 in Ciudad Obregón12:00 in Ciudad Obregón13:00 in Ciudad Obregón14:00 in Ciudad Obregón15:00 in Ciudad Obregón16:00 in Ciudad Obregón17:00 in Ciudad Obregón18:00 in Ciudad Obregón19:00 in Ciudad Obregón20:00 in Ciudad Obregón21:00 in Ciudad Obregón22:00 in Ciudad Obregón23:00 in Ciudad Obregón
Ciudad Obregón——000102030405060708091011121314151617181920212223
Guangzhou——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Ciudad Obregón 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 Ciudad Obregón, Guangzhou 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 Guangzhou — the nearest workable window is 17:00–18:00 your time (08:00 there).

Where daylight saving pulls them apart

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

Also useful

Common questions

How many hours ahead is Guangzhou of Ciudad Obregón?

Guangzhou is 15 hours ahead of Ciudad Obregón right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between Ciudad Obregón and Guangzhou?

There is no hour inside working hours in both cities. 17:00–18:00 your time (08:00 there) is the cheapest compromise, and one side is taking a shoulder hour.

Do Ciudad Obregón and Guangzhou change clocks on the same date?

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