O'Fallon to Bangkok time converter

Bangkok is 12 hours ahead of O'Fallon. When it is 9:00 AM in O'Fallon, it is 9:00 PM in Bangkok.

O'Fallon CDT

Sunday, October 18, 2026

Bangkok ICT

Monday, October 19, 2026

O'Fallon
Missouri, United States
Sun, Oct 18
CDTUTC-5
Bangkok
Thailand
Mon, Oct 19
ICTUTC+7+12h
Finding your time zone…
Shared working hours (9:00–18:00)

O'Fallon to Bangkok conversion table

Every hour of today in O'Fallon and the matching time in Bangkok. Light rows are typical working hours (9:00–18:00).

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

Best time to call or meet

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

Daylight saving time and the difference

The difference changes during the year because O'Fallon and Bangkok switch clocks on different dates:

  • Oct 18, 2026 – Nov 1, 2026: +12h
  • Nov 1, 2026 – Mar 14, 2027: +13h
  • Mar 14, 2027 – Oct 18, 2027: +12h

Distance

O'Fallon and Bangkok are 14,055 km (8,733 miles) apart in a straight line.

More conversions

Bangkok to O'FallonO'Fallon to New YorkO'Fallon to LondonO'Fallon to Los AngelesO'Fallon to ChicagoO'Fallon to TorontoO'Fallon to São PauloO'Fallon to ParisO'Fallon to BerlinO'Fallon to MoscowO'Fallon to DubaiO'Fallon to New DelhiO'Fallon to Singapore
New York to BangkokLondon to BangkokLos Angeles to BangkokChicago to BangkokToronto to BangkokSão Paulo to BangkokParis to BangkokBerlin to BangkokMoscow to BangkokDubai to BangkokNew Delhi to BangkokSingapore to Bangkok

Questions and answers

What is the time difference between O'Fallon and Bangkok?

Bangkok is 12 hours ahead of O'Fallon.

What time is it in Bangkok when it is 9 AM in O'Fallon?

When it is 9:00 AM in O'Fallon, it is 9:00 PM in Bangkok.

When is the best time to call Bangkok from O'Fallon?

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

Does the time difference between O'Fallon and Bangkok change?

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