Bangkok to Watertown time converter

Watertown is 11 hours behind Bangkok. When it is 9:00 AM in Bangkok, it is 10:00 PM (Mon, Oct 19) in Watertown.

Bangkok ICT

Tuesday, October 20, 2026

Watertown EDT

Tuesday, October 20, 2026

Bangkok
Thailand
Tue, Oct 20
ICTUTC+7
Watertown
Massachusetts, United States
Tue, Oct 20
EDTUTC-4-11h
Finding your time zone…
Shared working hours (9:00–18:00)

Bangkok to Watertown conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 8:00 PM – 10:00 PM in Bangkok (9:00 AM – 11:00 AM in Watertown): 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 Watertown switch clocks on different dates:

  • Oct 20, 2026 – Nov 1, 2026: -11h
  • Nov 1, 2026 – Mar 14, 2027: -12h
  • Mar 14, 2027 – Oct 20, 2027: -11h

Distance

Bangkok and Watertown are 13,717 km (8,523 miles) apart in a straight line.

More conversions

Watertown 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 WatertownLondon to WatertownLos Angeles to WatertownChicago to WatertownToronto to WatertownSão Paulo to WatertownParis to WatertownBerlin to WatertownMoscow to WatertownDubai to WatertownNew Delhi to WatertownSingapore to Watertown

Questions and answers

What is the time difference between Bangkok and Watertown?

Watertown is 11 hours behind Bangkok.

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

When it is 9:00 AM in Bangkok, it is 10:00 PM (Mon, Oct 19) in Watertown.

When is the best time to call Watertown from Bangkok?

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

Does the time difference between Bangkok and Watertown change?

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