Bangkok to Portsmouth time converter

Portsmouth is 11 hours behind Bangkok. When it is 9:00 AM in Bangkok, it is 10:00 PM (Wed, Oct 21) in Portsmouth.

Bangkok ICT

Thursday, October 22, 2026

Portsmouth EDT

Wednesday, October 21, 2026

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

Bangkok to Portsmouth conversion table

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

BangkokPortsmouth
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 Portsmouth): 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 Portsmouth switch clocks on different dates:

  • Oct 22, 2026 – Nov 1, 2026: -11h
  • Nov 1, 2026 – Mar 14, 2027: -12h
  • Mar 14, 2027 – Oct 22, 2027: -11h

Distance

Bangkok and Portsmouth are 14,380 km (8,935 miles) apart in a straight line.

More conversions

Portsmouth 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 PortsmouthLondon to PortsmouthLos Angeles to PortsmouthChicago to PortsmouthToronto to PortsmouthSão Paulo to PortsmouthParis to PortsmouthBerlin to PortsmouthMoscow to PortsmouthDubai to PortsmouthNew Delhi to PortsmouthSingapore to Portsmouth

Questions and answers

What is the time difference between Bangkok and Portsmouth?

Portsmouth is 11 hours behind Bangkok.

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

When it is 9:00 AM in Bangkok, it is 10:00 PM (Wed, Oct 21) in Portsmouth.

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

Does the time difference between Bangkok and Portsmouth change?

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