JST to AEST Converter
AEDT is 2 hours ahead of JST. 9:00 AM JST = 11:00 AM AEDT.
AEDT is 2 hours ahead of JST at the moment. To convert JST to AEST, add 2 hours to the JST time: 9:00 AM JST = 11:00 AM AEDT.
JST (Japan Time) is used in Japan. AEST (Australian Eastern Time) is used in New South Wales, Victoria, Tasmania, ACT; Queensland (Brisbane) all year.
Queensland stays on AEST all year. AEST (Australian Eastern Standard Time) is not in force right now: New South Wales is currently on AEDT. This page uses whichever name applies on the date you pick, so the numbers below say AEDT.
JST to AEST time conversion table
JST to AEST on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| JST | AEST | Day |
|---|---|---|
| 12:00 AM JST | 2:00 AM AEDT | night |
| 1:00 AM JST | 3:00 AM AEDT | night |
| 2:00 AM JST | 4:00 AM AEDT | night |
| 3:00 AM JST | 5:00 AM AEDT | night |
| 4:00 AM JST | 6:00 AM AEDT | — |
| 5:00 AM JST | 7:00 AM AEDT | — |
| 6:00 AM JST | 8:00 AM AEDT | — |
| 7:00 AM JST | 9:00 AM AEDT | — |
| 8:00 AM JST | 10:00 AM AEDT | — |
| 9:00 AM JST | 11:00 AM AEDT | work hours |
| 10:00 AM JST | 12:00 PM AEDT | work hours |
| 11:00 AM JST | 1:00 PM AEDT | work hours |
| 12:00 PM JST | 2:00 PM AEDT | work hours |
| 1:00 PM JST | 3:00 PM AEDT | work hours |
| 2:00 PM JST | 4:00 PM AEDT | work hours |
| 3:00 PM JST | 5:00 PM AEDT | — |
| 4:00 PM JST | 6:00 PM AEDT | — |
| 5:00 PM JST | 7:00 PM AEDT | — |
| 6:00 PM JST | 8:00 PM AEDT | — |
| 7:00 PM JST | 9:00 PM AEDT | — |
| 8:00 PM JST | 10:00 PM AEDT | night |
| 9:00 PM JST | 11:00 PM AEDT | night |
| 10:00 PM JST | 12:00 AM AEDT | next day |
| 11:00 PM JST | 1:00 AM AEDT | next day |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert JST to AEST
Add 2 hours to the JST time to get AEST.
Example: 9:00 AM JST = 11:00 AM AEDT.
Across midnight: 10:00 PM JST = 12:00 AM AEDT (next day). The date changes, so always check the day as well as the hour.
Time difference between JST and AEST
The time difference between JST and AEST is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:
- 1 Jan 2026 – 4 Apr 2026: AEST is 2 hours ahead of JST.
- 5 Apr 2026 – 3 Oct 2026: AEST is 1 hour ahead of JST.
- 4 Oct 2026 – 31 Dec 2026: AEST is 2 hours ahead of JST.
JST and AEST during daylight saving time
- JST does not observe daylight saving time; it stays on UTC+9 all year.
- AEST next changes on 4 Apr 2027: clocks go back one hour at 02:59 local time, from AEDT (UTC+11) to AEST (UTC+10).
Best time for a meeting between JST and AEST
JST and AEST share 6 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 3:00 PM JST lands between 11:00 AM and 5:00 PM AEDT, inside working hours for both.
JST to AEST FAQ
What is the time difference between JST and AEST?
Right now AEDT is 2 hours ahead of JST. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM JST in AEST?
9:00 AM JST is 11:00 AM AEDT.
What is 12 PM (noon) JST in AEST?
12:00 PM JST is 2:00 PM AEDT.
Is AEST ahead of or behind JST?
AEDT is 2 hours ahead of JST, so it is later in AEST 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 AEST change for daylight saving time?
Yes. AEST next changes on 4 Apr 2027, when clocks go back one hour from AEDT to AEST.
What is the best time for a meeting between JST and AEST?
JST and AEST share 6 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 3:00 PM JST lands between 11:00 AM and 5:00 PM AEDT, inside working hours for both.
Related conversions
Convert AEST to JST
Convert JST to other time zones
Convert other time zones to AEST
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.