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

Saint John's (Antigua) is 5 hours behind London. The best window for a call is 2 PM–5 PM in London, which is 9 AM–12 PM in Saint John's (Antigua) — a 3-hour overlap inside 9 AM–5 PM on both sides. Clocks change on October 25, 2026, which briefly shifts the gap between London 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 London, it's 4:00 AM in Saint John's (Antigua).
• When it's 9:00 AM in Saint John's (Antigua), it's 2:00 PM in London.

Saint John's (Antigua) is currently 5 hours behind London.

Best times to meet

The 9 AM – 5 PM business windows in London and Saint John's (Antigua) overlap for 3 hours. 2 PM–5 PM in London is 9 AM–12 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 October 25, 2026, London shifts for daylight saving. After that, Saint John's (Antigua) will be 4 hours behind London (currently 5 hours behind London). The converter and the tables above always reflect the correct offset for the date you pick.

• London 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 London?

Saint John's (Antigua) is 5 hours behind London.

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

Saint John's (Antigua) is 5 hours behind London.

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

9:00 AM in London is 4:00 AM in Saint John's (Antigua).

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

12:00 PM in London is 7:00 AM in Saint John's (Antigua).

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

5:00 PM in London is 12:00 PM in Saint John's (Antigua). Useful for end-of-day handoffs between the two offices.

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

3:00 PM in London is 10:00 AM in Saint John's (Antigua).

Is London currently observing daylight saving time?

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

On October 25, 2026, London shifts for daylight saving. After that, Saint John's (Antigua) will be 4 hours behind London (currently 5 hours behind London). 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 London?

Aim for 2 PM–5 PM in London, which is 9 AM–12 PM in Saint John's (Antigua).

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

Aim for 9 AM–12 PM in Saint John's (Antigua), which is 2 PM–5 PM in London.

London (GMT+1) to Saint John's (Antigua) (AST) — how do I convert quickly?

Add −5 hours to London 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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