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Global ClockTime zone converter & meeting planner
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SETTINGS
Clock
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 Newcastle upon Tyne vs Buenos Aires

Newcastle upon Tyne keeps BST (UTC+1) and Buenos Aires keeps UTC−3 (UTC−3) today. Buenos Aires is 4 hours behind Newcastle upon Tyne; 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 Buenos Aires (13:00–18:00 your time).

Newcastle upon Tyne and Buenos Aires hour by hour, with the working-hour overlap shaded
City00:00 in Newcastle upon Tyne01:00 in Newcastle upon Tyne02:00 in Newcastle upon Tyne03:00 in Newcastle upon Tyne04:00 in Newcastle upon Tyne05:00 in Newcastle upon Tyne06:00 in Newcastle upon Tyne07:00 in Newcastle upon Tyne08:00 in Newcastle upon Tyne09:00 in Newcastle upon Tyne10:00 in Newcastle upon Tyne11:00 in Newcastle upon Tyne12:00 in Newcastle upon Tyne13:00 in Newcastle upon Tyne14:00 in Newcastle upon Tyne15:00 in Newcastle upon Tyne16:00 in Newcastle upon Tyne17:00 in Newcastle upon Tyne18:00 in Newcastle upon Tyne19:00 in Newcastle upon Tyne20:00 in Newcastle upon Tyne21:00 in Newcastle upon Tyne22:00 in Newcastle upon Tyne23:00 in Newcastle upon Tyne
Newcastle upon Tyne——000102030405060708091011121314151617181920212223
Buenos Aires——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Newcastle upon Tyne and Buenos Aires

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

Best hours to call

13:00 in Newcastle upon Tyne
Inside working hours on both sides
09:00 in Buenos Aires
14:00 in Newcastle upon Tyne
Inside working hours on both sides
10:00 in Buenos Aires
15:00 in Newcastle upon Tyne
Inside working hours on both sides
11:00 in Buenos Aires
16:00 in Newcastle upon Tyne
Inside working hours on both sides
12:00 in Buenos Aires

Where daylight saving pulls them apart

Newcastle upon Tyne 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 Buenos Aires of Newcastle upon Tyne?

Buenos Aires is 4 hours behind Newcastle upon Tyne right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between Newcastle upon Tyne and Buenos Aires?

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

Do Newcastle upon Tyne and Buenos Aires 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.