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JST to AEST converter
Japan Standard Time
—
Australian Eastern Time
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Australian Eastern Time is 1 hour ahead of Japan Standard Time for most of the year, and 2 hours ahead of for part of it, because the two change their clocks on different dates (or only one of them changes at all).
When does the difference change?
In 2026:
- January 1 to April 4: Australian Eastern Time is 2 hours ahead of Japan Standard Time
- April 5 to October 3: Australian Eastern Time is 1 hour ahead of Japan Standard Time
- October 4 to December 31: Australian Eastern Time is 2 hours ahead of Japan Standard Time
Questions
What time is 9 AM JST in AEST?
For most of the year, 9 AM Japan Standard Time is 10 AM Australian Eastern Time. For part of the year it is 11 AM, because of daylight saving time.
How many hours ahead or behind is AEST from JST?
Australian Eastern Time is 1 hour ahead of Japan Standard Time for most of the year, and 2 hours ahead of for part of it, because the two change their clocks on different dates (or only one of them changes at all).
Does the JST to AEST difference change?
Yes. It changes 2 times in 2026 because of daylight saving time.
About these time zones
JST to AEST, hour by hour
| Japan Standard Time | Australian Eastern Time |
|---|---|
| 12 AM | 2 AM |
| 1 AM | 3 AM |
| 2 AM | 4 AM |
| 3 AM | 5 AM |
| 4 AM | 6 AM |
| 5 AM | 7 AM |
| 6 AM | 8 AM |
| 7 AM | 9 AM |
| 8 AM | 10 AM |
| 9 AM | 11 AM |
| 10 AM | 12 PM |
| 11 AM | 1 PM |
| 12 PM | 2 PM |
| 1 PM | 3 PM |
| 2 PM | 4 PM |
| 3 PM | 5 PM |
| 4 PM | 6 PM |
| 5 PM | 7 PM |
| 6 PM | 8 PM |
| 7 PM | 9 PM |
| 8 PM | 10 PM |
| 9 PM | 11 PM |
| 10 PM | 12 AM (next day) |
| 11 PM | 1 AM (next day) |
Based on the clocks on Monday, October 12, 2026. Use the converter above for another date.