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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 Mumbai vs Porto

Mumbai keeps IST (UTC+5:30) and Porto keeps WEST (UTC+1) today. Porto is 4½ 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: 09:00–14:00 in Porto (13:00–18:00 your time).

Mumbai and Porto 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
Porto——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Mumbai and Porto

Best hours to call

13:00 in Mumbai
Inside working hours on both sides
09:00 in Porto
14:00 in Mumbai
Inside working hours on both sides
10:00 in Porto
15:00 in Mumbai
Inside working hours on both sides
11:00 in Porto
16:00 in Mumbai
Inside working hours on both sides
12:00 in Porto

Where daylight saving pulls them apart

Porto next changes on Sunday 25 October 2026. Between those two dates the gap between the cities is an hour different from the one shown above — which is exactly when a recurring meeting drifts. Every date we track is on the daylight saving page.

Also useful

Common questions

How many hours ahead is Porto of Mumbai?

Porto is 4½ 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 Porto?

Any hour in 13:00–18:00 Mumbai time is inside working hours in both cities.

Do Mumbai and Porto change clocks on the same date?

Only one of them does, so the gap between them changes twice a year even though neither city moved relative to the sun.