Boston to Saint John's (Antigua) Time Difference (2026)

Saint John's (Antigua) and Boston are in the same time zone, so there is no offset between them. The best window for a call is 9 AM–5 PM in Boston, which is 9 AM–5 PM in Saint John's (Antigua) — a 8-hour overlap inside 9 AM–5 PM on both sides. Clocks change on November 1, 2026, which briefly shifts the gap between Boston and Saint John's (Antigua) — the converter on this page always reflects the correct offset for the date you pick.

• When it's 9:00 AM in Boston, it's 9:00 AM in Saint John's (Antigua).
• When it's 9:00 AM in Saint John's (Antigua), it's 9:00 AM in Boston.

Saint John's (Antigua) is currently in the same time zone as Boston.

Best times to meet

The 9 AM – 5 PM business windows in Boston and Saint John's (Antigua) overlap for 8 hours. 9 AM–5 PM in Boston is 9 AM–5 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

On November 1, 2026, Boston shifts for daylight saving. After that, Saint John's (Antigua) will be 1 hour ahead of Boston (currently the same time as Boston). The converter and the tables above always reflect the correct offset for the date you pick.

• Boston is currently observing 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 Boston?

Saint John's (Antigua) is neither ahead of nor behind Boston — both cities share the same time zone.

Are Saint John's (Antigua) and Boston in the same time zone?

Saint John's (Antigua) and Boston share the same time zone.

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

9:00 AM in Boston is 9:00 AM in Saint John's (Antigua).

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

12:00 PM in Boston is 12:00 PM in Saint John's (Antigua).

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

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

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

3:00 PM in Boston is 3:00 PM in Saint John's (Antigua).

Is Boston currently observing daylight saving time?

Boston is currently observing daylight saving time (summer time).

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 Boston and Saint John's (Antigua) observe daylight saving?

On November 1, 2026, Boston shifts for daylight saving. After that, Saint John's (Antigua) will be 1 hour ahead of Boston (currently the same time as Boston). The converter and the tables above always reflect the correct offset for the date you pick.

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

Aim for 9 AM–5 PM in Boston, which is 9 AM–5 PM in Saint John's (Antigua).

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

Aim for 9 AM–5 PM in Saint John's (Antigua), which is 9 AM–5 PM in Boston.

Boston (EDT) to Saint John's (Antigua) (AST) — how do I convert quickly?

No math needed — both cities are in the same time zone. Or use the converter at the top of this page — it stays accurate through daylight-saving changes automatically.

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