Boulder to Bangkok time converter

Bangkok is 13 hours ahead of Boulder. When it is 9:00 AM in Boulder, it is 10:00 PM in Bangkok.

Boulder MDT

Friday, October 16, 2026

Bangkok ICT

Saturday, October 17, 2026

Boulder
Colorado, United States
Fri, Oct 16
MDTUTC-6
Bangkok
Thailand
Sat, Oct 17
ICTUTC+7+13h
Finding your time zone…
Shared working hours (9:00–18:00)

Boulder to Bangkok conversion table

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

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

Best time to call or meet

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

  • Oct 16, 2026 – Nov 1, 2026: +13h
  • Nov 1, 2026 – Mar 14, 2027: +14h
  • Mar 14, 2027 – Oct 16, 2027: +13h

Distance

Boulder and Bangkok are 13,470 km (8,370 miles) apart in a straight line.

More conversions

Bangkok to BoulderBoulder to New YorkBoulder to LondonBoulder to Los AngelesBoulder to ChicagoBoulder to TorontoBoulder to São PauloBoulder to ParisBoulder to BerlinBoulder to MoscowBoulder to DubaiBoulder to New DelhiBoulder 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 Boulder and Bangkok?

Bangkok is 13 hours ahead of Boulder.

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

When it is 9:00 AM in Boulder, it is 10:00 PM in Bangkok.

When is the best time to call Bangkok from Boulder?

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

Does the time difference between Boulder 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.