Chicago to Udon Thani time converter

Udon Thani is 12 hours ahead of Chicago. When it is 9:00 AM in Chicago, it is 9:00 PM in Udon Thani.

Chicago CDT

Sunday, October 18, 2026

Udon Thani ICT

Monday, October 19, 2026

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

Chicago to Udon Thani conversion table

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

ChicagoUdon Thani
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 Chicago (9:00 PM – 10:00 PM in Udon Thani): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference changes during the year because Chicago and Udon Thani 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

Chicago and Udon Thani are 13,338 km (8,288 miles) apart in a straight line.

More conversions

Udon Thani to ChicagoChicago to New YorkChicago to LondonChicago to Los AngelesChicago to TorontoChicago to São PauloChicago to ParisChicago to BerlinChicago to MoscowChicago to DubaiChicago to New DelhiChicago to BangkokChicago to Singapore
New York to Udon ThaniLondon to Udon ThaniLos Angeles to Udon ThaniToronto to Udon ThaniSão Paulo to Udon ThaniParis to Udon ThaniBerlin to Udon ThaniMoscow to Udon ThaniDubai to Udon ThaniNew Delhi to Udon ThaniBangkok to Udon ThaniSingapore to Udon Thani

Questions and answers

What is the time difference between Chicago and Udon Thani?

Udon Thani is 12 hours ahead of Chicago.

What time is it in Udon Thani when it is 9 AM in Chicago?

When it is 9:00 AM in Chicago, it is 9:00 PM in Udon Thani.

When is the best time to call Udon Thani from Chicago?

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

Does the time difference between Chicago and Udon Thani change?

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