Alton to Bangkok time converter

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

Alton CDT

Monday, October 19, 2026

Bangkok ICT

Monday, October 19, 2026

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

Alton to Bangkok conversion table

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

AltonBangkok
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 Alton (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 Alton and Bangkok switch clocks on different dates:

  • Oct 19, 2026 – Nov 1, 2026: +12h
  • Nov 1, 2026 – Mar 14, 2027: +13h
  • Mar 14, 2027 – Oct 19, 2027: +12h

Distance

Alton and Bangkok are 14,057 km (8,735 miles) apart in a straight line.

More conversions

Bangkok to AltonAlton to New YorkAlton to LondonAlton to Los AngelesAlton to ChicagoAlton to TorontoAlton to São PauloAlton to ParisAlton to BerlinAlton to MoscowAlton to DubaiAlton to New DelhiAlton 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 Alton and Bangkok?

Bangkok is 12 hours ahead of Alton.

What time is it in Bangkok when it is 9 AM in Alton?

When it is 9:00 AM in Alton, it is 9:00 PM in Bangkok.

When is the best time to call Bangkok from Alton?

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

Does the time difference between Alton 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.