Honolulu to Altamont time converter

Altamont is 3 hours ahead of Honolulu. When it is 9:00 AM in Honolulu, it is 12:00 PM in Altamont.

Honolulu HST

Monday, October 19, 2026

Altamont PDT

Monday, October 19, 2026

Honolulu
Hawaii, United States
Mon, Oct 19
HSTUTC-10
Altamont
Oregon, United States
Mon, Oct 19
PDTUTC-7+3h
Finding your time zone…
Shared working hours (9:00–18:00)

Honolulu to Altamont conversion table

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

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

Best time to call or meet

Both sides are at work from 9:00 AM – 3:00 PM in Honolulu (12:00 PM – 6:00 PM in Altamont).

Daylight saving time and the difference

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

  • Oct 19, 2026 – Oct 31, 2026: +3h
  • Oct 31, 2026 – Mar 14, 2027: +2h
  • Mar 14, 2027 – Oct 19, 2027: +3h

Distance

Honolulu and Altamont are 4,083 km (2,537 miles) apart in a straight line.

More conversions

Altamont 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 AltamontLondon to AltamontLos Angeles to AltamontChicago to AltamontToronto to AltamontSão Paulo to AltamontParis to AltamontBerlin to AltamontMoscow to AltamontDubai to AltamontNew Delhi to AltamontBangkok to Altamont

Questions and answers

What is the time difference between Honolulu and Altamont?

Altamont is 3 hours ahead of Honolulu.

What time is it in Altamont when it is 9 AM in Honolulu?

When it is 9:00 AM in Honolulu, it is 12:00 PM in Altamont.

When is the best time to call Altamont from Honolulu?

Both sides are at work from 9:00 AM – 3:00 PM in Honolulu (12:00 PM – 6:00 PM in Altamont).

Does the time difference between Honolulu and Altamont change?

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