Buenos Aires to Saint John's (Antigua) Time Difference (2026)

Saint John's (Antigua) is 1 hour behind Buenos Aires. The best window for a call is 10 AM–5 PM in Buenos Aires, which is 9 AM–4 PM in Saint John's (Antigua) — a 7-hour overlap inside 9 AM–5 PM on both sides. Neither Buenos Aires nor Saint John's (Antigua) is changing for daylight saving in the next twelve months, so the time difference stays constant.

• When it's 9:00 AM in Buenos Aires, it's 8:00 AM in Saint John's (Antigua).
• When it's 9:00 AM in Saint John's (Antigua), it's 10:00 AM in Buenos Aires.

Saint John's (Antigua) is currently 1 hour behind Buenos Aires.

Best times to meet

The 9 AM – 5 PM business windows in Buenos Aires and Saint John's (Antigua) overlap for 7 hours. 10 AM–5 PM in Buenos Aires is 9 AM–4 PM in Saint John's (Antigua). Aim somewhere in the middle of that window so neither side starts cold or finishes drained.

Quick conversion table

Daylight saving

The time difference between these two cities stays the same over the next twelve months — neither zone is changing for daylight saving in that window.

• Buenos Aires does not observe daylight saving time.
• Saint John's (Antigua) does not observe daylight saving time.

Frequently asked questions

Is Saint John's (Antigua) ahead of or behind Buenos Aires?

Saint John's (Antigua) is 1 hour behind Buenos Aires.

How many hours behind Buenos Aires is Saint John's (Antigua)?

Saint John's (Antigua) is 1 hour behind Buenos Aires.

What time is 9 AM in Buenos Aires in Saint John's (Antigua)?

9:00 AM in Buenos Aires is 8:00 AM in Saint John's (Antigua).

What time is noon in Buenos Aires in Saint John's (Antigua)?

12:00 PM in Buenos Aires is 11:00 AM in Saint John's (Antigua).

What time is 5 PM in Buenos Aires in Saint John's (Antigua)?

5:00 PM in Buenos Aires is 4:00 PM in Saint John's (Antigua). Useful for end-of-day handoffs between the two offices.

What time is 3 PM Buenos Aires in Saint John's (Antigua)?

3:00 PM in Buenos Aires is 2:00 PM in Saint John's (Antigua).

Is Buenos Aires currently observing daylight saving time?

Buenos Aires does not observe daylight saving time — its UTC offset stays the same all year.

Is Saint John's (Antigua) currently observing daylight saving time?

Saint John's (Antigua) does not observe daylight saving time — its UTC offset stays the same all year.

Do Buenos Aires and Saint John's (Antigua) observe daylight saving?

The time difference between these two cities stays the same over the next twelve months — neither zone is changing for daylight saving in that window.

When is the best time to call Saint John's (Antigua) from Buenos Aires?

Aim for 10 AM–5 PM in Buenos Aires, which is 9 AM–4 PM in Saint John's (Antigua).

When is the best time to call Buenos Aires from Saint John's (Antigua)?

Aim for 9 AM–4 PM in Saint John's (Antigua), which is 10 AM–5 PM in Buenos Aires.

Buenos Aires (GMT-3) to Saint John's (Antigua) (AST) — how do I convert quickly?

Add −1 hour to Buenos Aires local time to get Saint John's (Antigua) local time. Or use the converter at the top of this page — it stays accurate through daylight-saving changes automatically.

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