Honolulu to Ryugasaki time converter

Ryugasaki is 19 hours ahead of Honolulu. When it is 9:00 AM in Honolulu, it is 4:00 AM (Tue, Oct 20) in Ryugasaki.

Honolulu HST

Monday, October 19, 2026

Ryugasaki JST

Tuesday, October 20, 2026

Hawaii, United States
Mon, Oct 19
HSTUTC-10
Tue, Oct 20
JSTUTC+9+19h
Finding your time zone…

3:00 PM in Honolulu, Monday, October 19, 2026

Shared working hours (9:00–18:00)

Honolulu to Ryugasaki conversion table

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

HonoluluRyugasaki
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 Ryugasaki).

Daylight saving time and the difference

The difference stays 19 hours all year.

Distance

Honolulu and Ryugasaki are 6,160 km (3,828 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Honolulu and Ryugasaki?

Ryugasaki is 19 hours ahead of Honolulu.

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

When it is 9:00 AM in Honolulu, it is 4:00 AM (Tue, Oct 20) in Ryugasaki.

When is the best time to call Ryugasaki from Honolulu?

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

Does the time difference between Honolulu and Ryugasaki change?

No. The difference stays 19 hours all year.