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

Saint John's (Antigua) is 1 hour ahead of Chicago. The best window for a call is 9 AM–4 PM in Chicago, which is 10 AM–5 PM in Saint John's (Antigua) — a 7-hour overlap inside 9 AM–5 PM on both sides. Clocks change on November 1, 2026, which briefly shifts the gap between Chicago 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 Chicago, it's 10:00 AM in Saint John's (Antigua).
• When it's 9:00 AM in Saint John's (Antigua), it's 8:00 AM in Chicago.

Saint John's (Antigua) is currently 1 hour ahead of Chicago.

Best times to meet

The 9 AM – 5 PM business windows in Chicago and Saint John's (Antigua) overlap for 7 hours. 9 AM–4 PM in Chicago is 10 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, Chicago shifts for daylight saving. After that, Saint John's (Antigua) will be 2 hours ahead of Chicago (currently 1 hour ahead of Chicago). The converter and the tables above always reflect the correct offset for the date you pick.

• Chicago 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 Chicago?

Saint John's (Antigua) is 1 hour ahead of Chicago.

How many hours ahead of Chicago is Saint John's (Antigua)?

Saint John's (Antigua) is 1 hour ahead of Chicago.

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

9:00 AM in Chicago is 10:00 AM in Saint John's (Antigua).

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

12:00 PM in Chicago is 1:00 PM in Saint John's (Antigua).

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

5:00 PM in Chicago is 6:00 PM in Saint John's (Antigua). Useful for end-of-day handoffs between the two offices.

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

3:00 PM in Chicago is 4:00 PM in Saint John's (Antigua).

Is Chicago currently observing daylight saving time?

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

On November 1, 2026, Chicago shifts for daylight saving. After that, Saint John's (Antigua) will be 2 hours ahead of Chicago (currently 1 hour ahead of Chicago). 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 Chicago?

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

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

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

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

Add +1 hour to Chicago 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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