Honolulu to Oi time converter

Oi is 19 hours ahead of Honolulu. When it is 9:00 AM in Honolulu, it is 4:00 AM (Mon, Oct 19) in Oi.

Honolulu HST

Sunday, October 18, 2026

Oi JST

Sunday, October 18, 2026

Hawaii, United States
Sun, Oct 18
HSTUTC-10
Japan
Sun, Oct 18
JSTUTC+9+19h
Finding your time zone…

4:56 AM in Honolulu, Sunday, October 18, 2026

Shared working hours (9:00–18:00)

Honolulu to Oi conversion table

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

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

Best time to call or meet

Both sides are at work from 2:00 PM – 6:00 PM in Honolulu (9:00 AM – 1:00 PM in Oi).

Daylight saving time and the difference

The difference stays 19 hours all year.

Distance

Honolulu and Oi are 6,220 km (3,865 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Honolulu and Oi?

Oi is 19 hours ahead of Honolulu.

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

When it is 9:00 AM in Honolulu, it is 4:00 AM (Mon, Oct 19) in Oi.

When is the best time to call Oi from Honolulu?

Both sides are at work from 2:00 PM – 6:00 PM in Honolulu (9:00 AM – 1:00 PM in Oi).

Does the time difference between Honolulu and Oi change?

No. The difference stays 19 hours all year.