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4:02 AM AEST in JST
Japan Standard Time · right now JST is 1 hour behind AEST
Times follow Sydney for AEST and Tokyo for JST, using the IANA time zone database.
AEST to JST time difference
JST is 2 hours behind AEST for most of 2026, and 1 hour behind AEST for about 182 days, because daylight saving time changes on different dates.
In 2026, Australian Eastern Time switches back to AEST on April 5 and to AEDT on October 4. Japan Standard Time does not use daylight saving time.
AEST to JST conversion table
Every hour on 2026-09-29. Highlighted rows fall inside 9 AM–5 PM in both zones.
| AEST (Australian Eastern Time) | JST (Japan Standard Time) |
|---|---|
| 12:00 AM | 11:00 PM · previous day |
| 1:00 AM | 12:00 AM |
| 2:00 AM | 1:00 AM |
| 3:00 AM | 2:00 AM |
| 4:00 AM | 3:00 AM |
| 5:00 AM | 4:00 AM |
| 6:00 AM | 5:00 AM |
| 7:00 AM | 6:00 AM |
| 8:00 AM | 7:00 AM |
| 9:00 AM | 8:00 AM |
| 10:00 AM | 9:00 AM |
| 11:00 AM | 10:00 AM |
| 12:00 PM | 11:00 AM |
| 1:00 PM | 12:00 PM |
| 2:00 PM | 1:00 PM |
| 3:00 PM | 2:00 PM |
| 4:00 PM | 3:00 PM |
| 5:00 PM | 4:00 PM |
| 6:00 PM | 5:00 PM |
| 7:00 PM | 6:00 PM |
| 8:00 PM | 7:00 PM |
| 9:00 PM | 8:00 PM |
| 10:00 PM | 9:00 PM |
| 11:00 PM | 10:00 PM |
Working hours overlap
On 2026-09-29, a 9 AM–5 PM workday in AEST and in JST overlap for about 7 hours, from 10:00 AM to 5:00 PM AEST (9:00 AM to 4:00 PM JST).
Convert AEST to other time zones
How to use
Follow these steps to get a result
Pick a date and a time in Australian Eastern Time (AEST).
Read the matching JST time, including whether it falls on the next or previous day.
Scan the 24-hour table to see every hour at once, with shared working hours highlighted.
Features
What this tool includes
Live clocks for both time zones
Daylight saving time handled automatically
24-hour conversion table
Working-hours overlap
FAQ
Common questions about this tool
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