JST to Perth Time Converter
AWST is 1 hour behind JST. 9:00 AM JST = 8:00 AM AWST.
AWST is 1 hour behind JST. To convert JST to Perth Time, subtract 1 hour from the JST time: 9:00 AM JST = 8:00 AM AWST.
JST (Japan Time) is used in Japan. Perth Time (Perth time) is used in Perth, Australia.
JST to Perth Time time conversion table
JST to Perth Time on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| JST | Perth Time | Day |
|---|---|---|
| 12:00 AM JST | 11:00 PM AWST | previous day |
| 1:00 AM JST | 12:00 AM AWST | night |
| 2:00 AM JST | 1:00 AM AWST | night |
| 3:00 AM JST | 2:00 AM AWST | night |
| 4:00 AM JST | 3:00 AM AWST | night |
| 5:00 AM JST | 4:00 AM AWST | night |
| 6:00 AM JST | 5:00 AM AWST | night |
| 7:00 AM JST | 6:00 AM AWST | — |
| 8:00 AM JST | 7:00 AM AWST | — |
| 9:00 AM JST | 8:00 AM AWST | — |
| 10:00 AM JST | 9:00 AM AWST | work hours |
| 11:00 AM JST | 10:00 AM AWST | work hours |
| 12:00 PM JST | 11:00 AM AWST | work hours |
| 1:00 PM JST | 12:00 PM AWST | work hours |
| 2:00 PM JST | 1:00 PM AWST | work hours |
| 3:00 PM JST | 2:00 PM AWST | work hours |
| 4:00 PM JST | 3:00 PM AWST | work hours |
| 5:00 PM JST | 4:00 PM AWST | — |
| 6:00 PM JST | 5:00 PM AWST | — |
| 7:00 PM JST | 6:00 PM AWST | — |
| 8:00 PM JST | 7:00 PM AWST | — |
| 9:00 PM JST | 8:00 PM AWST | — |
| 10:00 PM JST | 9:00 PM AWST | — |
| 11:00 PM JST | 10:00 PM AWST | night |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert JST to Perth Time
Subtract 1 hour from the JST time to get Perth Time.
Example: 9:00 AM JST = 8:00 AM AWST.
Across midnight: 12:00 AM JST = 11:00 PM AWST (previous day). The date changes, so always check the day as well as the hour.
Time difference between JST and Perth Time
The time difference between JST and Perth Time is 1 hour all year – AWST is behind JST.
JST and Perth Time during daylight saving time
- JST does not observe daylight saving time; it stays on UTC+9 all year.
- Perth Time does not observe daylight saving time; it stays on UTC+8 all year.
Best time for a meeting between JST and Perth Time
JST and Perth Time share 7 hours of the 9 AM–5 PM working day. Any time between 10:00 AM and 5:00 PM JST lands between 9:00 AM and 4:00 PM AWST, inside working hours for both.
JST to Perth Time FAQ
What is the time difference between JST and Perth Time?
AWST is 1 hour behind JST all year. 9:00 AM JST = 8:00 AM AWST.
What is 9 AM JST in Perth Time?
9:00 AM JST is 8:00 AM AWST.
What is 12 PM (noon) JST in Perth Time?
12:00 PM JST is 11:00 AM AWST.
Is Perth Time ahead of or behind JST?
AWST is 1 hour behind JST, so it is earlier in Perth Time than in JST.
Does JST change for daylight saving time?
No. JST stays on the same offset all year, so conversions never shift for daylight saving time.
Does Perth Time change for daylight saving time?
No. Perth Time stays on the same offset all year, so conversions never shift for daylight saving time.
What is the best time for a meeting between JST and Perth Time?
JST and Perth Time share 7 hours of the 9 AM–5 PM working day. Any time between 10:00 AM and 5:00 PM JST lands between 9:00 AM and 4:00 PM AWST, inside working hours for both.
Related conversions
Convert Perth Time to JST
Convert JST to other time zones
Convert other time zones to Perth Time
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.