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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 Istanbul

Porto Alegre keeps UTC−3 (UTC−3) and Istanbul keeps UTC+3 (UTC+3) today. Istanbul is 6 hours ahead of Porto Alegre; 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 Istanbul (09:00–12:00 your time).

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

Do more with Porto Alegre and Istanbul

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, Istanbul and other cities on screen as live clocks, under an animated sky and sun.

Best hours to call

09:00 in Porto Alegre
Inside working hours on both sides
15:00 in Istanbul
10:00 in Porto Alegre
Inside working hours on both sides
16:00 in Istanbul
11:00 in Porto Alegre
Inside working hours on both sides
17:00 in Istanbul

Where daylight saving pulls them apart

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

Also useful

Common questions

How many hours ahead is Istanbul of Porto Alegre?

Istanbul is 6 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 Istanbul?

Any hour in 09:00–12:00 Porto Alegre time is inside working hours in both cities.

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

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