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  1. WorldClockTools
  2. Convertidor de Zona Horaria
  3. JST -> AEST

Timezone converter

Convertidor de JST a AEST.

JST → AESTGap: +1h7h 9-5 overlap

JST to AEST currently uses Japan Time in Asia/Tokyo and Australian Eastern Time in Australia/Sydney as the live reference pair. Right now the gap is +1h, and the sections below break that into meeting-time shortcuts, workday overlap, DST changes, and city coverage on both sides.

Last updated Apr 22, 2026. Offset math, DST behavior, and city coverage on both sides are refreshed from the live timezone dataset during the page revalidation window.

Reverse: AEST → JST

From

JST

Japan Time

Asia/Tokyo · GMT+9 +09:00

--:--:--

Major markets in this grouping include Tokyo, Yokohama, Osaka, Nagoya.

To

AEST

Australian Eastern Time

Australia/Sydney · GMT+10 +10:00

--:--:--

Major markets in this grouping include Sydney, Brisbane, Gold Coast, Newcastle.

Scheduling snapshot

Current gap

+1h

JST +09:00 vs AEST +10:00

9-to-5 overlap

7h

JST 9:00 AM previous day to 4:00 PM previous day

Representative countries

Japan / Australia

Based on the busiest city and zone usage found in the current dataset.

Pair context

JST and AEST currently connect Tokyo and Sydney with a live gap of +1h. Representative coverage on the JST side is anchored by Tokyo, Yokohama, Osaka, and Nagoya, while the AEST side is anchored by Sydney, Brisbane, Gold Coast, and Newcastle.

Using a simple 9:00 AM to 5:00 PM workday on both sides, the pair shares about 7 hours of business overlap - roughly JST 9:00 AM previous day to 4:00 PM previous day, which is AEST 10:00 AM previous day to 5:00 PM previous day. Most of the workday still lines up, which is helpful for live support, same-day reviews, and straightforward calendar invites.

The live gap is +1h right now, based on Asia/Tokyo at +09:00 and Australia/Sydney at +10:00. Australia/Sydney changes offset on October 4, 2026, so the gap moves to +2h after that transition.

Market coverage on both sides

On the JST side, the current dataset is anchored by cities such as Tokyo, Japan; Yokohama, Japan; Osaka, Japan; Nagoya, Japan; Sapporo, Japan; Fukuoka, Japan. That makes this page useful for real-world coordination patterns rather than only abstract offset math.

On the AEST side, the live reference set includes Sydney, Australia; Brisbane, Australia; Gold Coast, Australia; Newcastle, Australia; Canberra, Australia; Central Coast, Australia. In practice, that means the conversion is tied to recognizable business, travel, and support hubs rather than a single anonymous timezone label.

Country usage on the two sides currently includes Japan for JST and Australia for AEST. That country coverage helps explain why some pairs feel like outsourcing, logistics, gaming, finance, or travel-heavy conversions while others are more niche.

Digit-Roll Converter

Adjust the time — digits roll like an odometer. Swap button flips the zones.

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Common meeting times

JST to AEST meeting times

Quick conversions for 9 AM, noon, 3 PM, 6 PM, and 9 PM based on today's local calendar.

JSTAESTDay relation
9:00 AM10:00 AMWed, Apr 22same day
12:00 PM1:00 PMWed, Apr 22same day
3:00 PM4:00 PMWed, Apr 22same day
6:00 PM7:00 PMWed, Apr 22same day
9:00 PM10:00 PMWed, Apr 22same day

AEST to JST meeting times

Quick conversions for 9 AM, noon, 3 PM, 6 PM, and 9 PM based on today's local calendar.

AESTJSTDay relation
9:00 AM8:00 AMWed, Apr 22same day
12:00 PM11:00 AMWed, Apr 22same day
3:00 PM2:00 PMWed, Apr 22same day
6:00 PM5:00 PMWed, Apr 22same day
9:00 PM8:00 PMWed, Apr 22same day

Operational notes

JST to AEST meeting times is easiest to read as a working-day range rather than a single spot conversion. In the current snapshot, 9:00 AM lands at 10:00 AM, while 9:00 PM lands at 10:00 PM, which makes the practical handoff window much easier to scan.

AEST to JST meeting times is easiest to read as a working-day range rather than a single spot conversion. In the current snapshot, 9:00 AM lands at 8:00 AM, while 9:00 PM lands at 8:00 PM, which makes the practical handoff window much easier to scan.

Popular hour answers

These direct answers are here for the exact-intent searches people actually use, like “10 AM JST to AEST” or “4 PM JST in AEST”.

8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM9 PM

What is 8 AM JST in AEST?

8 AM JST = 9:00 AM AEST (09:00). On today's live calendar that lands on Wed, Apr 22 in AEST, which means the answer is a same day conversion rather than a static offset lookup.

What is 9 AM JST in AEST?

9 AM JST = 10:00 AM AEST (10:00). On today's live calendar that lands on Wed, Apr 22 in AEST, which means the answer is a same day conversion rather than a static offset lookup.

What is 10 AM JST in AEST?

10 AM JST = 11:00 AM AEST (11:00). On today's live calendar that lands on Wed, Apr 22 in AEST, which means the answer is a same day conversion rather than a static offset lookup.

What is 11 AM JST in AEST?

11 AM JST = 12:00 PM AEST (12:00). On today's live calendar that lands on Wed, Apr 22 in AEST, which means the answer is a same day conversion rather than a static offset lookup.

What is 12 PM JST in AEST?

12 PM JST = 1:00 PM AEST (13:00). On today's live calendar that lands on Wed, Apr 22 in AEST, which means the answer is a same day conversion rather than a static offset lookup.

What is 1 PM JST in AEST?

1 PM JST = 2:00 PM AEST (14:00). On today's live calendar that lands on Wed, Apr 22 in AEST, which means the answer is a same day conversion rather than a static offset lookup.

What is 2 PM JST in AEST?

2 PM JST = 3:00 PM AEST (15:00). On today's live calendar that lands on Wed, Apr 22 in AEST, which means the answer is a same day conversion rather than a static offset lookup.

What is 3 PM JST in AEST?

3 PM JST = 4:00 PM AEST (16:00). On today's live calendar that lands on Wed, Apr 22 in AEST, which means the answer is a same day conversion rather than a static offset lookup.

What is 4 PM JST in AEST?

4 PM JST = 5:00 PM AEST (17:00). On today's live calendar that lands on Wed, Apr 22 in AEST, which means the answer is a same day conversion rather than a static offset lookup.

What is 5 PM JST in AEST?

5 PM JST = 6:00 PM AEST (18:00). On today's live calendar that lands on Wed, Apr 22 in AEST, which means the answer is a same day conversion rather than a static offset lookup.

What is 6 PM JST in AEST?

6 PM JST = 7:00 PM AEST (19:00). On today's live calendar that lands on Wed, Apr 22 in AEST, which means the answer is a same day conversion rather than a static offset lookup.

What is 9 PM JST in AEST?

9 PM JST = 10:00 PM AEST (22:00). On today's live calendar that lands on Wed, Apr 22 in AEST, which means the answer is a same day conversion rather than a static offset lookup.

Overlap window and DST radar

The live gap is +1h right now, based on Asia/Tokyo at +09:00 and Australia/Sydney at +10:00. Australia/Sydney changes offset on October 4, 2026, so the gap moves to +2h after that transition.

The most usable workday block right now is about 7 hours: JST 9:00 AM previous day to 4:00 PM previous day, which lines up with AEST 10:00 AM previous day to 5:00 PM previous day.

Australia/Sydney changes from +11:00 (GMT+11) to +11:00 (GMT+11) on October 4, 2026 at about 3:24 AM.

Reference zones

Asia/Tokyo

GMT+9 · +09:00

Australia/Sydney

GMT+10 · +10:00

These are the busiest live references selected from the abbreviation families on this page.

Tabla de Conversión

JSTAEST
09:0010:00
10:0011:00
11:0012:00
12:0013:00
13:0014:00
14:0015:00
15:0016:00
16:0017:00
17:0018:00
18:0019:00
19:0020:00
20:0021:00
21:0022:00
22:0023:00
23:0000:00
00:0001:00
01:0002:00
02:0003:00
03:0004:00
04:0005:00
05:0006:00
06:0007:00
07:0008:00
08:0009:00

Top cities using JST

Countries represented here include Japan.

TokyoJapanYokohamaJapanOsakaJapanNagoyaJapanSapporoJapanFukuokaJapanKawasakiJapanKobeJapanKyotoJapanSaitamaJapan

Top cities using AEST

Countries represented here include Australia.

SydneyAustraliaBrisbaneAustraliaGold CoastAustraliaNewcastleAustraliaCanberraAustraliaCentral CoastAustraliaSunshine CoastAustraliaLogan CityAustraliaWollongongAustraliaTownsvilleAustralia

FAQ

How many hours is AEST ahead of JST?
AEST is currently +1h relative to JST, using Asia/Tokyo and Australia/Sydney as the live reference zones on this page.
What is the best workday overlap between JST and AEST?
The current 9-to-5 overlap is about 7 hours: JST 9:00 AM previous day to 4:00 PM previous day, which matches AEST 10:00 AM previous day to 5:00 PM previous day.
Does the JST-AEST time difference change during DST?
The live gap is +1h right now, based on Asia/Tokyo at +09:00 and Australia/Sydney at +10:00. Australia/Sydney changes offset on October 4, 2026, so the gap moves to +2h after that transition.
Which cities commonly use JST and AEST?
JST commonly covers cities such as Tokyo, Yokohama, Osaka, and Nagoya, while AEST commonly covers cities such as Sydney, Brisbane, Gold Coast, and Newcastle.
Should I use JST/AEST or exact IANA zones?
Use the abbreviations for a quick read, but use exact IANA zones such as Asia/Tokyo and Australia/Sydney when you need something precise in software, travel plans, or long-range scheduling.
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Conversiones Relacionadas

EST → JSTEST → AESTPST → JSTPST → AESTCST → JSTCST → AESTMST → JSTMST → AESTGMT → JSTGMT → AESTUTC → JSTUTC → AEST

Related planning pages

Once a conversion pair matters, people usually need a city page, compare page, or a broader browse surface next.

Interactive converter

Move from this static pair into the full timezone converter with more cities and abbreviations.

Compare city pairs

Use compare pages when the practical question is overlap, not just offset arithmetic.

World clock

Open live city clocks after narrowing the timezone pair you care about.

Browse city pages

Jump into the strongest city pages when you want location-specific timezone context.