JST to HST

Japan Standard Time

Japan Standard Time (JST)

JST is 9 hours ahead of Universal Time (UTC+9)

↑ ↓

Hawaii Standard Time

Hawaii Standard Time (HST)

HST is 10 hours behind Universal Time (UTC-1)

JST to HST Time Conversion

When it is 12:00 PM in JST, it is 5:00 PM the previous day in HST.

📞The best time to schedule a call is between 9 AM and 12 PM in JST, which is between 2 PM and 5 PM in HST.

Time difference between JST and HST

JST is 19 hours ahead of HST.

🕐 Subtract 19 hours from JST time to get HST time.

JST uses 9 hours ahead of Universal Time (UTC+9) and HST uses 10 hours behind Universal Time (UTC-1).

JST to HST time conversion chart (24 hours)

Highlighted rows are overlapping 9-to-5 business hours – the best time to schedule a call between JST and HST.

JST Time		HST Time
12 AM JST Time	↔	5 AM HST Time
1 AM JST Time	↔	6 AM HST Time
2 AM JST Time	↔	7 AM HST Time
3 AM JST Time	↔	8 AM HST Time
4 AM JST Time	↔	9 AM HST Time
5 AM JST Time	↔	10 AM HST Time
6 AM JST Time	↔	11 AM HST Time
7 AM JST Time	↔	12 PM HST Time
8 AM JST Time	↔	1 PM HST Time
9 AM JST Time	↔	2 PM HST Time
10 AM JST Time	↔	3 PM HST Time
11 AM JST Time	↔	4 PM HST Time

JST Time		HST Time
12 PM JST Time	↔	5 PM HST Time
1 PM JST Time	↔	6 PM HST Time
2 PM JST Time	↔	7 PM HST Time
3 PM JST Time	↔	8 PM HST Time
4 PM JST Time	↔	9 PM HST Time
5 PM JST Time	↔	10 PM HST Time
6 PM JST Time	↔	11 PM HST Time
7 PM JST Time	↔	12 AM HST Time
8 PM JST Time	↔	1 AM HST Time
9 PM JST Time	↔	2 AM HST Time
10 PM JST Time	↔	3 AM HST Time
11 PM JST Time	↔	4 AM HST Time

JST to HST - Frequently Asked Questions

Q

What is the time difference between JST and HST?

A

JST is 19 hours ahead of HST.

Q

Is JST ahead of or behind HST?

A

JST is ahead of HST by 19 hours.

Q

When it is 9:00 AM in JST, what time is it in HST?

A

It is 2:00 PM the previous day in HST.

Convert JST Time to Popular Time Zones

Convert Time in Popular Time Zones to HST