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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 Porto Alegre vs Guangzhou

Porto Alegre keeps UTC−3 (UTC−3) and Guangzhou keeps CST (UTC+8) today. Guangzhou is 11 hours ahead of Porto Alegre; 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 06:00–07:00 your time (17:00 there).

Porto Alegre and Guangzhou hour by hour, with the working-hour overlap shaded
City00:00 in Porto Alegre01:00 in Porto Alegre02:00 in Porto Alegre03:00 in Porto Alegre04:00 in Porto Alegre05:00 in Porto Alegre06:00 in Porto Alegre07:00 in Porto Alegre08:00 in Porto Alegre09:00 in Porto Alegre10:00 in Porto Alegre11:00 in Porto Alegre12:00 in Porto Alegre13:00 in Porto Alegre14:00 in Porto Alegre15:00 in Porto Alegre16:00 in Porto Alegre17:00 in Porto Alegre18:00 in Porto Alegre19:00 in Porto Alegre20:00 in Porto Alegre21:00 in Porto Alegre22:00 in Porto Alegre23:00 in Porto Alegre
Porto Alegre——000102030405060708091011121314151617181920212223
Guangzhou——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Porto Alegre 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 Porto Alegre, 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 06:00–07:00 your time (17:00 there).

Where daylight saving pulls them apart

Neither Porto Alegre nor Guangzhou changes its clocks, so the gap above holds all year.

Also useful

Common questions

How many hours ahead is Guangzhou of Porto Alegre?

Guangzhou is 11 hours ahead of Porto Alegre right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between Porto Alegre and Guangzhou?

There is no hour inside working hours in both cities. 06:00–07:00 your time (17:00 there) is the cheapest compromise, and one side is taking a shoulder hour.

Do Porto Alegre and Guangzhou change clocks on the same date?

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