Bangkok to Ottumwa time converter

Ottumwa is 12 hours behind Bangkok. When it is 9:00 AM in Bangkok, it is 9:00 PM (Mon, Oct 19) in Ottumwa.

Bangkok ICT

Tuesday, October 20, 2026

Ottumwa CDT

Monday, October 19, 2026

Bangkok
Thailand
Tue, Oct 20
ICTUTC+7
Ottumwa
Iowa, United States
Mon, Oct 19
CDTUTC-5-12h
Finding your time zone…
Shared working hours (9:00–18:00)

Bangkok to Ottumwa conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

The difference changes during the year because Bangkok and Ottumwa switch clocks on different dates:

  • Oct 20, 2026 – Nov 1, 2026: -12h
  • Nov 1, 2026 – Mar 14, 2027: -13h
  • Mar 14, 2027 – Oct 20, 2027: -12h

Distance

Bangkok and Ottumwa are 13,781 km (8,563 miles) apart in a straight line.

More conversions

Ottumwa to BangkokBangkok to New YorkBangkok to LondonBangkok to Los AngelesBangkok to ChicagoBangkok to TorontoBangkok to São PauloBangkok to ParisBangkok to BerlinBangkok to MoscowBangkok to DubaiBangkok to New DelhiBangkok to Singapore
New York to OttumwaLondon to OttumwaLos Angeles to OttumwaChicago to OttumwaToronto to OttumwaSão Paulo to OttumwaParis to OttumwaBerlin to OttumwaMoscow to OttumwaDubai to OttumwaNew Delhi to OttumwaSingapore to Ottumwa

Questions and answers

What is the time difference between Bangkok and Ottumwa?

Ottumwa is 12 hours behind Bangkok.

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

When it is 9:00 AM in Bangkok, it is 9:00 PM (Mon, Oct 19) in Ottumwa.

When is the best time to call Ottumwa from Bangkok?

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

Does the time difference between Bangkok and Ottumwa change?

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