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Global ClockTime zone converter & meeting planner
SETTINGS
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 Porto Alegre vs Shanghai

Porto Alegre keeps UTC−3 (UTC−3) and Shanghai keeps CST (UTC+8) today. Shanghai 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 Shanghai — the nearest workable window is 06:00–07:00 your time (17:00 there).

Porto Alegre and Shanghai 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
Shanghai——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Porto Alegre and Shanghai

Best hours to call

there is no working-hour overlap with Shanghai — the nearest workable window is 06:00–07:00 your time (17:00 there).

Where daylight saving pulls them apart

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

Also useful

Common questions

How many hours ahead is Shanghai of Porto Alegre?

Shanghai 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 Shanghai?

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 Shanghai change clocks on the same date?

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