Honolulu to Merthyr Tydfil time converter

Merthyr Tydfil is 11 hours ahead of Honolulu. When it is 9:00 AM in Honolulu, it is 8:00 PM in Merthyr Tydfil.

Honolulu HST

Tuesday, October 20, 2026

Merthyr Tydfil BST

Tuesday, October 20, 2026

Honolulu
Hawaii, United States
Tue, Oct 20
HSTUTC-10
Merthyr Tydfil
United Kingdom
Tue, Oct 20
BSTUTC+1+11h
Finding your time zone…
Shared working hours (9:00–18:00)

Honolulu to Merthyr Tydfil conversion table

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

HonoluluMerthyr Tydfil
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 Honolulu (8:00 PM – 10:00 PM in Merthyr Tydfil): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference changes during the year because Honolulu and Merthyr Tydfil switch clocks on different dates:

  • Oct 20, 2026 – Oct 24, 2026: +11h
  • Oct 24, 2026 – Mar 27, 2027: +10h
  • Mar 27, 2027 – Oct 20, 2027: +11h

Distance

Honolulu and Merthyr Tydfil are 11,520 km (7,158 miles) apart in a straight line.

More conversions

Merthyr Tydfil to HonoluluHonolulu to New YorkHonolulu to LondonHonolulu to Los AngelesHonolulu to ChicagoHonolulu to TorontoHonolulu to São PauloHonolulu to ParisHonolulu to BerlinHonolulu to MoscowHonolulu to DubaiHonolulu to New DelhiHonolulu to Bangkok
New York to Merthyr TydfilLondon to Merthyr TydfilLos Angeles to Merthyr TydfilChicago to Merthyr TydfilToronto to Merthyr TydfilSão Paulo to Merthyr TydfilParis to Merthyr TydfilBerlin to Merthyr TydfilMoscow to Merthyr TydfilDubai to Merthyr TydfilNew Delhi to Merthyr TydfilBangkok to Merthyr Tydfil

Questions and answers

What is the time difference between Honolulu and Merthyr Tydfil?

Merthyr Tydfil is 11 hours ahead of Honolulu.

What time is it in Merthyr Tydfil when it is 9 AM in Honolulu?

When it is 9:00 AM in Honolulu, it is 8:00 PM in Merthyr Tydfil.

When is the best time to call Merthyr Tydfil from Honolulu?

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

Does the time difference between Honolulu and Merthyr Tydfil change?

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