Bangkok to Costa Mesa time converter

Costa Mesa is 14 hours behind Bangkok. When it is 9:00 AM in Bangkok, it is 7:00 PM (Mon, Oct 19) in Costa Mesa.

Bangkok ICT

Tuesday, October 20, 2026

Costa Mesa PDT

Monday, October 19, 2026

Bangkok
Thailand
Tue, Oct 20
ICTUTC+7
Costa Mesa
California, United States
Mon, Oct 19
PDTUTC-7-14h
Finding your time zone…
Shared working hours (9:00–18:00)

Bangkok to Costa Mesa conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 7:00 AM – 8:00 AM in Bangkok (5:00 PM – 6:00 PM in Costa Mesa): 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 Costa Mesa switch clocks on different dates:

  • Oct 20, 2026 – Nov 1, 2026: -14h
  • Nov 1, 2026 – Mar 14, 2027: -15h
  • Mar 14, 2027 – Oct 20, 2027: -14h

Distance

Bangkok and Costa Mesa are 13,357 km (8,300 miles) apart in a straight line.

More conversions

Costa Mesa 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 Costa MesaLondon to Costa MesaLos Angeles to Costa MesaChicago to Costa MesaToronto to Costa MesaSão Paulo to Costa MesaParis to Costa MesaBerlin to Costa MesaMoscow to Costa MesaDubai to Costa MesaNew Delhi to Costa MesaSingapore to Costa Mesa

Questions and answers

What is the time difference between Bangkok and Costa Mesa?

Costa Mesa is 14 hours behind Bangkok.

What time is it in Costa Mesa when it is 9 AM in Bangkok?

When it is 9:00 AM in Bangkok, it is 7:00 PM (Mon, Oct 19) in Costa Mesa.

When is the best time to call Costa Mesa from Bangkok?

Working hours don't overlap fully. The closest fit is 7:00 AM – 8:00 AM in Bangkok (5:00 PM – 6:00 PM in Costa Mesa): working hours on one side, early or late on the other.

Does the time difference between Bangkok and Costa Mesa change?

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