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Global ClockTime zone converter & meeting planner
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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 Las Vegas vs Buenos Aires

Las Vegas keeps PDT (UTC−7) and Buenos Aires keeps UTC−3 (UTC−3) today. Buenos Aires is 4 hours ahead of Las Vegas; 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: 13:00–18:00 in Buenos Aires (09:00–14:00 your time).

Las Vegas and Buenos Aires hour by hour, with the working-hour overlap shaded
City00:00 in Las Vegas01:00 in Las Vegas02:00 in Las Vegas03:00 in Las Vegas04:00 in Las Vegas05:00 in Las Vegas06:00 in Las Vegas07:00 in Las Vegas08:00 in Las Vegas09:00 in Las Vegas10:00 in Las Vegas11:00 in Las Vegas12:00 in Las Vegas13:00 in Las Vegas14:00 in Las Vegas15:00 in Las Vegas16:00 in Las Vegas17:00 in Las Vegas18:00 in Las Vegas19:00 in Las Vegas20:00 in Las Vegas21:00 in Las Vegas22:00 in Las Vegas23:00 in Las Vegas
Las Vegas——000102030405060708091011121314151617181920212223
Buenos Aires——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Las Vegas 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 Las Vegas, Buenos Aires and other cities on screen as live clocks, under an animated sky and sun.

Best hours to call

09:00 in Las Vegas
Inside working hours on both sides
13:00 in Buenos Aires
10:00 in Las Vegas
Inside working hours on both sides
14:00 in Buenos Aires
11:00 in Las Vegas
Inside working hours on both sides
15:00 in Buenos Aires
12:00 in Las Vegas
Inside working hours on both sides
16:00 in Buenos Aires

Where daylight saving pulls them apart

Las Vegas next changes on Sunday 1 November 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 Las Vegas?

Buenos Aires is 4 hours ahead of Las Vegas right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between Las Vegas and Buenos Aires?

Any hour in 09:00–14:00 Las Vegas time is inside working hours in both cities.

Do Las Vegas 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.