Osaka to Melbourne
+1hOsaka
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 Osaka
WikipediaOsaka operates on Japan Standard Time (JST), UTC+9. As Japan's second economic center and a manufacturing hub, Osaka shares business hours with Tokyo.
Osaka Castle was originally built in 1583 and has been rebuilt several times.
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.
Osaka vs Melbourne: Offsets, DST and Best Call Times
Osaka runs on Japan Standard Time (JST) at UTC+09:00. Melbourne runs on Australian Eastern Standard Time (AEST) at UTC+10:00. That puts Osaka 1 hour ahead of Melbourne — a difference of +1h at the current offsets.
In practice, when it is 9:00 AM in Osaka it is 10:00 AM in Melbourne. Midnight in Osaka is 1:00 AM in Melbourne. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Osaka to Melbourne time conversion table
| Osaka (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 Osaka to Melbourne time
- Scheduling a call from Osaka to Melbourne: a 10:00 AM start in Osaka lands at 11:00 AM in Melbourne, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Osaka 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 Osaka 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 Osaka 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 Osaka and Melbourne
Both Osaka 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
Osaka and Melbourne share 7 hours of working-hours overlap (9:00 AM–4:00 PM JST), so scheduling a live meeting is straightforward.
Osaka 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
Osaka
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 Osaka and Melbourne?
Osaka (JST, UTC+09:00) is 1 hour ahead of Melbourne (AEST, UTC+10:00). The gap is currently +1h.
How do I convert Osaka time to Melbourne time?
Add +1h to Osaka local time. For example, 9:00 AM in Osaka 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 Osaka.
What is the best time to call Melbourne from Osaka?
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, Osaka or Melbourne?
Osaka is 1 hour ahead of Melbourne. When it is 12:00 PM in Osaka it is 1:00 PM in Melbourne.
Do Osaka and Melbourne use different time zones?
Osaka (Japan) 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 Osaka–Melbourne difference?
Neither zone observes daylight saving time, so the +1h offset between Osaka and Melbourne is fixed all year.
Which other cities share Osaka's time zone?
JST also covers Tokyo, Osaka, Yokohama, Nagoya, Sapporo, Kyoto, Kobe, Fukuoka and 1 more.
Which countries use JST, Osaka's zone?
JST is used in Japan.
Is there a day difference between Osaka and Melbourne?
Not normally. The +1h gap only pushes the date over for late-evening times.
What is the time difference between Osaka and Melbourne?
Melbourne is +1h from Osaka.
What timezone is Osaka in?
Osaka operates on Japan Standard Time (JST), UTC+9. As Japan's second economic center and a manufacturing hub, Osaka shares business hours with Tokyo.
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 Osaka?
Standard business hours in Osaka are 9:00 AM - 6:00 PM JST.
What are the business hours in Melbourne?
Standard business hours in Melbourne are 9:00 AM - 5:00 PM AEST.
What is the best time to schedule a call between Osaka and Melbourne?
The best overlap for a call is when both cities are in business hours. Osaka works 9:00 AM - 6:00 PM JST and Melbourne works 9:00 AM - 5:00 PM AEST (+1h difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in Osaka and Melbourne?
Osaka uses JPY (¥) while Melbourne uses AUD (A$). Check current exchange rates when planning travel or business between these cities.
How do Osaka and Melbourne compare in size?
Osaka has a population of approximately 2.8 million (metro: 19 million), while Melbourne has approximately 5.1 million (metro: 5.1 million).
What are the major landmarks in Osaka and Melbourne?
Osaka is known for Osaka Castle, Dotonbori, Universal Studios Japan. Melbourne is famous for Federation Square, Melbourne Cricket Ground, Royal Botanic Gardens.
Do Osaka and Melbourne have stock exchanges?
Yes. Osaka has the OSE (Osaka Exchange - derivatives) and Melbourne has the ASX (Australian Securities Exchange). The +1h time difference affects trading hour overlaps between these exchanges.
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 Osaka, what time is it in Melbourne?
When it is 12:00 AM (midnight) in Osaka (JST), it is +1h later in Melbourne (AEST).
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