Time in Shanghai vs Caucaia

Shanghai keeps CST (UTC+8) and Caucaia keeps UTC−3 (UTC−3) today. Caucaia is 11 hours behind Shanghai; 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 Caucaia — the nearest workable window is 17:00–18:00 your time (06:00 there).

Shanghai and Caucaia hour by hour, with the working-hour overlap shaded
City	00:00 in Shanghai	01:00 in Shanghai	02:00 in Shanghai	03:00 in Shanghai	04:00 in Shanghai	05:00 in Shanghai	06:00 in Shanghai	07:00 in Shanghai	08:00 in Shanghai	09:00 in Shanghai	10:00 in Shanghai	11:00 in Shanghai	12:00 in Shanghai	13:00 in Shanghai	14:00 in Shanghai	15:00 in Shanghai	16:00 in Shanghai	17:00 in Shanghai	18:00 in Shanghai	19:00 in Shanghai	20:00 in Shanghai	21:00 in Shanghai	22:00 in Shanghai	23:00 in Shanghai
Shanghai——	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23
Caucaia——	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23

Working hours
Shoulder
Night
Overlap

Do more with Shanghai and Caucaia

Open in the PlannerAdd more cities, find a meeting time that works for everyone, then share it as a link.Open in Watch ViewKeep Shanghai, Caucaia 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 Caucaia — the nearest workable window is 17:00–18:00 your time (06:00 there).

Where daylight saving pulls them apart

Neither Shanghai nor Caucaia changes its clocks, so the gap above holds all year.

Also useful

Common questions

How many hours ahead is Caucaia of Shanghai?

Caucaia is 11 hours behind Shanghai right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between Shanghai and Caucaia?

There is no hour inside working hours in both cities. 17:00–18:00 your time (06:00 there) is the cheapest compromise, and one side is taking a shoulder hour.

Do Shanghai and Caucaia change clocks on the same date?

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