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Global ClockTime zone converter & meeting planner
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Working hours
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09
End
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 Mumbai vs Rio das Ostras

Mumbai keeps IST (UTC+5:30) and Rio das Ostras keeps UTC−3 (UTC−3) today. Rio das Ostras is 8½ hours behind Mumbai; 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: 09:00–10:00 in Rio das Ostras (17:00–18:00 your time).

Mumbai and Rio das Ostras hour by hour, with the working-hour overlap shaded
City00:00 in Mumbai01:00 in Mumbai02:00 in Mumbai03:00 in Mumbai04:00 in Mumbai05:00 in Mumbai06:00 in Mumbai07:00 in Mumbai08:00 in Mumbai09:00 in Mumbai10:00 in Mumbai11:00 in Mumbai12:00 in Mumbai13:00 in Mumbai14:00 in Mumbai15:00 in Mumbai16:00 in Mumbai17:00 in Mumbai18:00 in Mumbai19:00 in Mumbai20:00 in Mumbai21:00 in Mumbai22:00 in Mumbai23:00 in Mumbai
Mumbai——000102030405060708091011121314151617181920212223
Rio das Ostras——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Mumbai and Rio das Ostras

Open in the PlannerAdd more cities, find a meeting time that works for everyone, then share it as a link.Open in Watch ViewKeep Mumbai, Rio das Ostras and other cities on screen as live clocks, under an animated sky and sun.

Best hours to call

17:00 in Mumbai
Inside working hours on both sides
09:00 in Rio das Ostras

Where daylight saving pulls them apart

Neither Mumbai nor Rio das Ostras changes its clocks, so the gap above holds all year.

Also useful

Common questions

How many hours ahead is Rio das Ostras of Mumbai?

Rio das Ostras is 8½ hours behind Mumbai right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between Mumbai and Rio das Ostras?

Any hour in 17:00–18:00 Mumbai time is inside working hours in both cities.

Do Mumbai and Rio das Ostras change clocks on the same date?

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