Oak Forest to Singapore time converter

Singapore is 13 hours ahead of Oak Forest. When it is 9:00 AM in Oak Forest, it is 10:00 PM in Singapore.

Oak Forest CDT

Monday, October 19, 2026

Singapore SGT

Tuesday, October 20, 2026

Oak Forest
Illinois, United States
Mon, Oct 19
CDTUTC-5
Singapore
Tue, Oct 20
SGTUTC+8+13h
Finding your time zone…
Shared working hours (9:00–18:00)

Oak Forest to Singapore conversion table

Every hour of today in Oak Forest and the matching time in Singapore. Light rows are typical working hours (9:00–18:00).

Oak ForestSingapore
12:00 AM1:00 PM
1:00 AM2:00 PM
2:00 AM3:00 PM
3:00 AM4:00 PM
4:00 AM5:00 PM
5:00 AM6:00 PM
6:00 AM7:00 PM
7:00 AM8:00 PM
8:00 AM9:00 PM
9:00 AM10:00 PM
10:00 AM11:00 PM
11:00 AM12:00 AM+1 day
12:00 PM1:00 AM+1 day
1:00 PM2:00 AM+1 day
2:00 PM3:00 AM+1 day
3:00 PM4:00 AM+1 day
4:00 PM5:00 AM+1 day
5:00 PM6:00 AM+1 day
6:00 PM7:00 AM+1 day
7:00 PM8:00 AM+1 day
8:00 PM9:00 AM+1 day
9:00 PM10:00 AM+1 day
10:00 PM11:00 AM+1 day
11:00 PM12:00 PM+1 day

Best time to call or meet

Working hours don't overlap fully. The closest fit is 8:00 PM – 10:00 PM in Oak Forest (9:00 AM – 11:00 AM in Singapore): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference changes during the year because Oak Forest and Singapore switch clocks on different dates:

  • Oct 19, 2026 – Nov 1, 2026: +13h
  • Nov 1, 2026 – Mar 14, 2027: +14h
  • Mar 14, 2027 – Oct 19, 2027: +13h

More conversions

Singapore to Oak ForestOak Forest to New YorkOak Forest to LondonOak Forest to Los AngelesOak Forest to ChicagoOak Forest to TorontoOak Forest to São PauloOak Forest to ParisOak Forest to BerlinOak Forest to MoscowOak Forest to DubaiOak Forest to New DelhiOak Forest to Bangkok
New York to SingaporeLondon to SingaporeLos Angeles to SingaporeChicago to SingaporeToronto to SingaporeSão Paulo to SingaporeParis to SingaporeBerlin to SingaporeMoscow to SingaporeDubai to SingaporeNew Delhi to SingaporeBangkok to Singapore

Questions and answers

What is the time difference between Oak Forest and Singapore?

Singapore is 13 hours ahead of Oak Forest.

What time is it in Singapore when it is 9 AM in Oak Forest?

When it is 9:00 AM in Oak Forest, it is 10:00 PM in Singapore.

When is the best time to call Singapore from Oak Forest?

Working hours don't overlap fully. The closest fit is 8:00 PM – 10:00 PM in Oak Forest (9:00 AM – 11:00 AM in Singapore): working hours on one side, early or late on the other.

Does the time difference between Oak Forest and Singapore change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.