JST to AWST 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 AWST, subtract 1 hour from the JST time: 9:00 AM JST = 8:00 AM AWST.
JST (Japan Time) is used in Japan. AWST (Australian Western Time) is used in Western Australia (Perth).
JST to AWST time conversion table
JST to AWST on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| JST | AWST | 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 AWST
Subtract 1 hour from the JST time to get AWST.
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 AWST
The time difference between JST and AWST is 1 hour all year – AWST is behind JST.
JST and AWST during daylight saving time
- JST does not observe daylight saving time; it stays on UTC+9 all year.
- AWST does not observe daylight saving time; it stays on UTC+8 all year.
Best time for a meeting between JST and AWST
JST and AWST 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 AWST FAQ
What is the time difference between JST and AWST?
AWST is 1 hour behind JST all year. 9:00 AM JST = 8:00 AM AWST.
What is 9 AM JST in AWST?
9:00 AM JST is 8:00 AM AWST.
What is 12 PM (noon) JST in AWST?
12:00 PM JST is 11:00 AM AWST.
Is AWST ahead of or behind JST?
AWST is 1 hour behind JST, so it is earlier in AWST 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 AWST change for daylight saving time?
No. AWST 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 AWST?
JST and AWST 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 AWST to JST
Convert JST to other time zones
Convert other time zones to AWST
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.