Time in New Haven vs Buenos Aires

New Haven keeps EDT (UTC−4) and Buenos Aires keeps UTC−3 (UTC−3) today. Buenos Aires is 1 hour ahead of New Haven; 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: 10:00–18:00 in Buenos Aires (09:00–17:00 your time).

New Haven and Buenos Aires hour by hour, with the working-hour overlap shaded
City	00:00 in New Haven	01:00 in New Haven	02:00 in New Haven	03:00 in New Haven	04:00 in New Haven	05:00 in New Haven	06:00 in New Haven	07:00 in New Haven	08:00 in New Haven	09:00 in New Haven	10:00 in New Haven	11:00 in New Haven	12:00 in New Haven	13:00 in New Haven	14:00 in New Haven	15:00 in New Haven	16:00 in New Haven	17:00 in New Haven	18:00 in New Haven	19:00 in New Haven	20:00 in New Haven	21:00 in New Haven	22:00 in New Haven	23:00 in New Haven
New Haven——	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23
Buenos Aires——	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23

Working hours
Shoulder
Night
Overlap

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

Best hours to call

09:00 in New Haven

Inside working hours on both sides

10:00 in Buenos Aires

10:00 in New Haven

Inside working hours on both sides

11:00 in Buenos Aires

11:00 in New Haven

Inside working hours on both sides

12:00 in Buenos Aires

12:00 in New Haven

Inside working hours on both sides

13:00 in Buenos Aires

Where daylight saving pulls them apart

New Haven 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 New Haven?

Buenos Aires is 1 hour ahead of New Haven right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between New Haven and Buenos Aires?

Any hour in 09:00–17:00 New Haven time is inside working hours in both cities.

Do New Haven 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.