HST to JST converter

Hawaii Time (Honolulu) to Japan Time (Tokyo, Osaka).

HST2:07 PMFri 30 Oct 2026

→

JST9:07 AMSat 31 Oct 2026

JST is 19 h ahead of HST.

Pick a time in HST

⇄ JST to HST

9:00 AM HST = 4:00 AM JST next day

Best time to meet

The best time to meet is between 2:00 PM and 5:00 PM HST, which is 9:00 AM to 12:00 PM JST. Both sides are then inside 9 AM to 5 PM.

HST to JST time table

For 30 Oct 2026. Green rows: both sides between 9 AM and 5 PM.

HST	JST
12:00 AM HST	7:00 PM JST
1:00 AM HST	8:00 PM JST
2:00 AM HST	9:00 PM JST
3:00 AM HST	10:00 PM JST
4:00 AM HST	11:00 PM JST
5:00 AM HST	12:00 AM JST next day
6:00 AM HST	1:00 AM JST next day
7:00 AM HST	2:00 AM JST next day
8:00 AM HST	3:00 AM JST next day
9:00 AM HST	4:00 AM JST next day
10:00 AM HST	5:00 AM JST next day
11:00 AM HST	6:00 AM JST next day
12:00 PM HST	7:00 AM JST next day
1:00 PM HST	8:00 AM JST next day
2:00 PM HST	9:00 AM JST next day
3:00 PM HST	10:00 AM JST next day
4:00 PM HST	11:00 AM JST next day
5:00 PM HST	12:00 PM JST next day
6:00 PM HST	1:00 PM JST next day
7:00 PM HST	2:00 PM JST next day
8:00 PM HST	3:00 PM JST next day
9:00 PM HST	4:00 PM JST next day
10:00 PM HST	5:00 PM JST next day
11:00 PM HST	6:00 PM JST next day

Quick answers

9:00 AM HST = 4:00 AM JST (next day)
12:00 PM HST = 7:00 AM JST (next day)
3:00 PM HST = 10:00 AM JST (next day)
5:00 PM HST = 12:00 PM JST (next day)
9:00 AM JST = 2:00 PM HST (previous day)
12:00 PM JST = 5:00 PM HST (previous day)
5:00 PM JST = 10:00 PM HST (previous day)

Does the gap change during the year?

No. JST is 19 h ahead of HST all year.

HST does not change its clocks. JST does not change its clocks.

About HST and JST

HST here means Hawaii Time, the clock in Honolulu. Right now it is UTC−10. It has no daylight saving.

JST here means Japan Time, the clock in Tokyo, Osaka. Right now it is UTC+9. It has no daylight saving.

Every city on your wrist

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