Singapore to St. Louis Time Difference (2026)

St. Louis is 13 hours behind Singapore. Standard 9 AM–5 PM business hours in Singapore and St. Louis do not overlap, so a live call needs one side outside normal hours. Clocks change on November 1, 2026, which briefly shifts the gap between Singapore and St. Louis — the converter on this page always reflects the correct offset for the date you pick.

• When it's 9:00 AM in Singapore, it's 8:00 PM the previous day in St. Louis.
• When it's 9:00 AM in St. Louis, it's 10:00 PM in Singapore.

St. Louis is currently 13 hours behind Singapore.

Best times to meet

Standard 9 AM – 5 PM hours in Singapore and St. Louis 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 Singapore, or a 6–8 PM meeting in St. Louis.

Quick conversion table

Daylight saving

On November 1, 2026, St. Louis shifts for daylight saving. After that, St. Louis will be 14 hours behind Singapore (currently 13 hours behind Singapore). The converter and the tables above always reflect the correct offset for the date you pick.

• Singapore does not observe daylight saving time.
• St. Louis is currently observing daylight saving time.

Frequently asked questions

Is St. Louis ahead of or behind Singapore?

St. Louis is 13 hours behind Singapore.

How many hours behind Singapore is St. Louis?

St. Louis is 13 hours behind Singapore.

What time is 9 AM in Singapore in St. Louis?

9:00 AM in Singapore is 8:00 PM the previous day in St. Louis.

What time is noon in Singapore in St. Louis?

12:00 PM in Singapore is 11:00 PM the previous day in St. Louis.

What time is 5 PM in Singapore in St. Louis?

5:00 PM in Singapore is 4:00 AM in St. Louis. Useful for end-of-day handoffs between the two offices.

What time is 3 PM Singapore in St. Louis?

3:00 PM in Singapore is 2:00 AM in St. Louis.

Is Singapore currently observing daylight saving time?

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

Is St. Louis currently observing daylight saving time?

St. Louis is currently observing daylight saving time (summer time).

Do Singapore and St. Louis observe daylight saving?

On November 1, 2026, St. Louis shifts for daylight saving. After that, St. Louis will be 14 hours behind Singapore (currently 13 hours behind Singapore). The converter and the tables above always reflect the correct offset for the date you pick.

When is the best time to call St. Louis from Singapore?

Singapore and St. Louis business hours don't overlap. The closest options are early mornings in Singapore or late evenings, when one side stretches outside 9–5.

When is the best time to call Singapore from St. Louis?

St. Louis and Singapore business hours don't overlap. The closest options are early mornings in St. Louis or late evenings, when one side stretches outside 9–5.

Singapore (GMT+8) to St. Louis (CDT) — how do I convert quickly?

Add −13 hours to Singapore local time to get St. Louis local time. Or use the converter at the top of this page — it stays accurate through daylight-saving changes automatically.

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