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

Singapore is 12 hours ahead of Saint John's (Antigua). Standard 9 AM–5 PM business hours in Saint John's (Antigua) and Singapore do not overlap, so a live call needs one side outside normal hours. Neither Saint John's (Antigua) nor Singapore is changing for daylight saving in the next twelve months, so the time difference stays constant.

• When it's 9:00 AM in Saint John's (Antigua), it's 9:00 PM in Singapore.
• When it's 9:00 AM in Singapore, it's 9:00 PM the previous day in Saint John's (Antigua).

Singapore is currently 12 hours ahead of Saint John's (Antigua).

Best times to meet

Standard 9 AM – 5 PM hours in Saint John's (Antigua) and Singapore do not overlap. The least-bad options are an early start in one city or a late evening call in the other — for example a 7–8 AM meeting in Saint John's (Antigua), or a 6–8 PM meeting in Singapore.

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.

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

Frequently asked questions

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

Singapore is 12 hours ahead of Saint John's (Antigua).

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

Singapore is 12 hours ahead of Saint John's (Antigua).

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

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

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

12:00 PM in Saint John's (Antigua) is 12:00 AM the next day in Singapore.

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

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

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

3:00 PM in Saint John's (Antigua) is 3:00 AM the next day in Singapore.

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.

Is Singapore currently observing daylight saving time?

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

Do Saint John's (Antigua) and Singapore 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 Singapore from Saint John's (Antigua)?

Saint John's (Antigua) and Singapore business hours don't overlap. The closest options are early mornings in Saint John's (Antigua) or late evenings, when one side stretches outside 9–5.

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

Singapore and Saint John's (Antigua) business hours don't overlap. The closest options are early mornings in Singapore or late evenings, when one side stretches outside 9–5.

Saint John's (Antigua) (AST) to Singapore (GMT+8) — how do I convert quickly?

Add +12 hours to Saint John's (Antigua) local time to get Singapore local time. Or use the converter at the top of this page — it stays accurate through daylight-saving changes automatically.

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