Chelmsford to Bangkok time converter

Bangkok is 11 hours ahead of Chelmsford. When it is 9:00 AM in Chelmsford, it is 8:00 PM in Bangkok.

Chelmsford EDT

Wednesday, October 21, 2026

Bangkok ICT

Thursday, October 22, 2026

Chelmsford
Massachusetts, United States
Wed, Oct 21
EDTUTC-4
Bangkok
Thailand
Thu, Oct 22
ICTUTC+7+11h
Finding your time zone…
Shared working hours (9:00–18:00)

Chelmsford to Bangkok conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 9:00 AM – 11:00 AM in Chelmsford (8:00 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 Chelmsford and Bangkok switch clocks on different dates:

  • Oct 21, 2026 – Nov 1, 2026: +11h
  • Nov 1, 2026 – Mar 14, 2027: +12h
  • Mar 14, 2027 – Oct 21, 2027: +11h

Distance

Chelmsford and Bangkok are 13,694 km (8,509 miles) apart in a straight line.

More conversions

Bangkok to ChelmsfordChelmsford to New YorkChelmsford to LondonChelmsford to Los AngelesChelmsford to ChicagoChelmsford to TorontoChelmsford to São PauloChelmsford to ParisChelmsford to BerlinChelmsford to MoscowChelmsford to DubaiChelmsford to New DelhiChelmsford 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 Chelmsford and Bangkok?

Bangkok is 11 hours ahead of Chelmsford.

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

When it is 9:00 AM in Chelmsford, it is 8:00 PM in Bangkok.

When is the best time to call Bangkok from Chelmsford?

Working hours don't overlap fully. The closest fit is 9:00 AM – 11:00 AM in Chelmsford (8:00 PM – 10:00 PM in Bangkok): working hours on one side, early or late on the other.

Does the time difference between Chelmsford 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.