JST to Melbourne
+1hJST
JSTSOURCEMelbourne
AESTGreen rows indicate typical business hours (9 AM - 5 PM)
JST and AEST on the World Map
The map below highlights the JST (Japan Standard Time) and AEST (Australian Eastern Standard Time) timezone regions across the globe.
JST – Japan Standard Time
UTC+09:00Japan Standard Time (JST) is the time zone for Japan, 9 hours ahead of UTC.
- •Japan does not observe daylight saving time.
- •Tokyo is the most populous metropolitan area in the world.
- •The Tokyo Stock Exchange operates from 9:00 AM to 3:00 PM JST.
- •JST is 14 hours ahead of EST and 9 hours ahead of GMT.
AEST – Australian Eastern Standard Time
UTC+10:00Australian Eastern Standard Time (AEST) covers eastern Australia, 10 hours ahead of UTC.
- •Queensland does not observe daylight saving time, staying on AEST year-round.
- •Sydney and Melbourne switch to AEDT (UTC+11:00) in summer.
- •The Australian Securities Exchange (ASX) operates on AEST/AEDT.
- •AEST is 15 hours ahead of EST during winter.
About Melbourne
WikipediaMelbourne operates on Australian Eastern Time (AEST/AEDT). As Australia's second-largest city, Melbourne shares business hours with Sydney and the ASX.
Melbourne was the capital of Australia from 1901 to 1927.
JST vs Melbourne: Offsets, DST and Best Call Times
JST runs on Japan Standard Time (JST) at UTC+09:00. Melbourne runs on Australian Eastern Standard Time (AEST) at UTC+10:00. That puts JST 1 hour ahead of Melbourne — a difference of +1h at the current offsets.
In practice, when it is 9:00 AM in JST it is 10:00 AM in Melbourne. Midnight in JST is 1:00 AM in Melbourne. Neither zone observes daylight saving time, so the offset between them stays constant all year.
JST to Melbourne time conversion table
| JST (JST) | Melbourne (AEST) | Day |
|---|---|---|
| 12:00 AM | 1:00 AM | same day |
| 6:00 AM | 7:00 AM | same day |
| 7:00 AM | 8:00 AM | same day |
| 8:00 AM | 9:00 AM | same day |
| 9:00 AM | 10:00 AM | same day |
| 12:00 PM | 1:00 PM | same day |
| 3:00 PM | 4:00 PM | same day |
| 5:00 PM | 6:00 PM | same day |
| 6:00 PM | 7:00 PM | same day |
| 9:00 PM | 10:00 PM | same day |
Why people convert JST to Melbourne time
- Scheduling a call from JST to Melbourne: a 10:00 AM start in JST lands at 11:00 AM in Melbourne, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both JST and Melbourne are inside the 9-to-5 working day between 9:00 AM and 4:00 PM JST time (10:00 AM–5:00 PM AEST). That is roughly 7 hours of usable overlap.
- Keeping family and friends in sync: knowing that 8:00 PM in JST is 9:00 PM in Melbourne makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM JST" is unambiguous; "3 PM" across a +1h gap is not.
- Block 9:00 AM–4:00 PM JST as the recurring meeting window if you work primarily from JST and need Melbourne colleagues present.
- Melbourne: Clocks spring forward on Sat, Oct 3, 2026. Any meeting series spanning that date will shift by an hour in local time.
About JST (Japan Standard Time)
Japan Standard Time (JST) is the standard time zone for all of Japan. Japan does not observe daylight saving time. JST is 9 hours ahead of UTC and 14 hours ahead of EST. The Tokyo Stock Exchange, the world's third largest by market capitalization, operates on JST. South Korea uses the same offset (KST) but it is a distinct time zone.
About AEST (Australian Eastern Standard Time)
Australian Eastern Standard Time (AEST) is used in the eastern states of Australia including New South Wales, Victoria, Queensland, Tasmania, and the ACT. During summer (October to April), NSW, VIC, TAS, and ACT switch to Australian Eastern Daylight Time (AEDT, UTC+11:00), while Queensland remains on AEST year-round.
Best time to call between JST and Melbourne
Both JST and Melbourne sit inside the 9 AM – 5 PM working day between 9:00 AM–4:00 PM JST, which is 10:00 AM–5:00 PM AEST. That gives roughly 7 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
JST and Melbourne share 7 hours of working-hours overlap (9:00 AM–4:00 PM JST), so scheduling a live meeting is straightforward.
JST is 1 hour ahead of Melbourne (JST UTC+09:00 → AEST UTC+10:00). The shared working window is 9:00 AM–4:00 PM JST. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
JST
Does not observe DST
Melbourne
❄ Currently in Standard Time
Standard: UTC+10:00 · DST: UTC+11:00
Clocks spring forward on Sat, Oct 3, 2026
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between JST and Melbourne?
JST (JST, UTC+09:00) is 1 hour ahead of Melbourne (AEST, UTC+10:00). The gap is currently +1h.
How do I convert JST time to Melbourne time?
Add +1h to JST local time. For example, 9:00 AM in JST is 10:00 AM in Melbourne.
What time is it in Melbourne right now?
Melbourne uses AEST at UTC+10:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +1h offset from JST.
What is the best time to call Melbourne from JST?
Call between 9:00 AM and 4:00 PM JST — that maps to 10:00 AM–5:00 PM AEST and keeps both parties inside the working day.
Which is ahead, JST or Melbourne?
JST is 1 hour ahead of Melbourne. When it is 12:00 PM in JST it is 1:00 PM in Melbourne.
Do JST and Melbourne use different time zones?
JST uses JST at UTC+09:00, while Melbourne (Australia) uses AEST at UTC+10:00. The IANA identifiers are Asia/Tokyo and Australia/Melbourne.
Does daylight saving time affect the JST–Melbourne difference?
Neither zone observes daylight saving time, so the +1h offset between JST and Melbourne is fixed all year.
Which other cities share JST's time zone?
JST also covers Tokyo, Osaka, Yokohama, Nagoya, Sapporo, Kyoto, Kobe, Fukuoka and 1 more.
Which countries use JST, JST's zone?
JST is used in Japan.
Is there a day difference between JST and Melbourne?
Not normally. The +1h gap only pushes the date over for late-evening times.
What is the time difference between JST and Melbourne?
Melbourne is +1h from JST.
What timezone is JST in?
JST operates on its local timezone.
What timezone is Melbourne in?
Melbourne operates on Australian Eastern Time (AEST/AEDT). As Australia's second-largest city, Melbourne shares business hours with Sydney and the ASX.
What are the business hours in Melbourne?
Standard business hours in Melbourne are 9:00 AM - 5:00 PM AEST.
Which countries use JST (Japan Standard Time)?
JST is used in Japan.
Does JST observe daylight saving time?
No, JST does not observe daylight saving time and remains at UTC+09:00 year-round.
What are some interesting facts about JST?
Japan does not observe daylight saving time. Tokyo is the most populous metropolitan area in the world.
Which cities are in the AEST timezone?
Major cities in the AEST timezone include Sydney, Melbourne, Brisbane, Canberra, Hobart, Gold Coast.
What is the UTC offset for AEST?
Australian Eastern Standard Time (AEST) is at UTC+10:00. During daylight saving time, it shifts to AEDT.
What should I know about the AEST timezone?
Queensland does not observe daylight saving time, staying on AEST year-round. Sydney and Melbourne switch to AEDT (UTC+11:00) in summer.
When is it midnight in JST, what time is it in Melbourne?
When it is 12:00 AM (midnight) in JST (JST), it is +1h later in Melbourne (AEST).
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