Chicago to Ratchathewi time converter

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

Chicago CDT

Sunday, October 18, 2026

Ratchathewi ICT

Sunday, October 18, 2026

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

Chicago to Ratchathewi conversion table

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

ChicagoRatchathewi
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 Ratchathewi): 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 Ratchathewi 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 Ratchathewi are 13,775 km (8,559 miles) apart in a straight line.

More conversions

Ratchathewi 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 RatchathewiLondon to RatchathewiLos Angeles to RatchathewiToronto to RatchathewiSão Paulo to RatchathewiParis to RatchathewiBerlin to RatchathewiMoscow to RatchathewiDubai to RatchathewiNew Delhi to RatchathewiBangkok to RatchathewiSingapore to Ratchathewi

Questions and answers

What is the time difference between Chicago and Ratchathewi?

Ratchathewi is 12 hours ahead of Chicago.

What time is it in Ratchathewi when it is 9 AM in Chicago?

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

When is the best time to call Ratchathewi 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 Ratchathewi): working hours on one side, early or late on the other.

Does the time difference between Chicago and Ratchathewi change?

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