Merthyr Tydfil to Honolulu time converter

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

Merthyr Tydfil BST

Tuesday, October 20, 2026

Honolulu HST

Tuesday, October 20, 2026

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

Merthyr Tydfil to Honolulu conversion table

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

Merthyr TydfilHonolulu
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 Merthyr Tydfil (9:00 AM – 11:00 AM in Honolulu): working hours on one side, early or late on the other.

Daylight saving time and the difference

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

  • Oct 20, 2026 – Oct 25, 2026: -11h
  • Oct 25, 2026 – Mar 28, 2027: -10h
  • Mar 28, 2027 – Oct 20, 2027: -11h

Distance

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

More conversions

Honolulu to Merthyr TydfilMerthyr Tydfil to New YorkMerthyr Tydfil to LondonMerthyr Tydfil to Los AngelesMerthyr Tydfil to ChicagoMerthyr Tydfil to TorontoMerthyr Tydfil to São PauloMerthyr Tydfil to ParisMerthyr Tydfil to BerlinMerthyr Tydfil to MoscowMerthyr Tydfil to DubaiMerthyr Tydfil to New DelhiMerthyr Tydfil to Bangkok
New York to HonoluluLondon to HonoluluLos Angeles to HonoluluChicago to HonoluluToronto to HonoluluSão Paulo to HonoluluParis to HonoluluBerlin to HonoluluMoscow to HonoluluDubai to HonoluluNew Delhi to HonoluluBangkok to Honolulu

Questions and answers

What is the time difference between Merthyr Tydfil and Honolulu?

Honolulu is 11 hours behind Merthyr Tydfil.

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

When it is 9:00 AM in Merthyr Tydfil, it is 10:00 PM (Mon, Oct 19) in Honolulu.

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

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

Does the time difference between Merthyr Tydfil and Honolulu change?

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