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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 Serra vs Mexico City

Serra keeps UTC−3 (UTC−3) and Mexico City keeps CST (UTC−6) today. Mexico City is 3 hours behind Serra; 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: 09:00–15:00 in Mexico City (12:00–18:00 your time).

Serra and Mexico City hour by hour, with the working-hour overlap shaded
City00:00 in Serra01:00 in Serra02:00 in Serra03:00 in Serra04:00 in Serra05:00 in Serra06:00 in Serra07:00 in Serra08:00 in Serra09:00 in Serra10:00 in Serra11:00 in Serra12:00 in Serra13:00 in Serra14:00 in Serra15:00 in Serra16:00 in Serra17:00 in Serra18:00 in Serra19:00 in Serra20:00 in Serra21:00 in Serra22:00 in Serra23:00 in Serra
Serra——000102030405060708091011121314151617181920212223
Mexico City——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Serra and Mexico City

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

Best hours to call

12:00 in Serra
Inside working hours on both sides
09:00 in Mexico City
13:00 in Serra
Inside working hours on both sides
10:00 in Mexico City
14:00 in Serra
Inside working hours on both sides
11:00 in Mexico City
15:00 in Serra
Inside working hours on both sides
12:00 in Mexico City

Where daylight saving pulls them apart

Neither Serra nor Mexico City changes its clocks, so the gap above holds all year.

Also useful

Common questions

How many hours ahead is Mexico City of Serra?

Mexico City is 3 hours behind Serra right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between Serra and Mexico City?

Any hour in 12:00–18:00 Serra time is inside working hours in both cities.

Do Serra and Mexico City change clocks on the same date?

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