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JST to ACST Time Zone Converter — Time Difference Between Tokyo and Darwin

Drag the slider or click the time display to type a specific hour and instantly convert JST to ACST. The time difference between Tokyo and Darwin is 0:30 hours — Darwin (ACST) is ahead of Tokyo (JST) (UTC+9:00 vs UTC+9:30); for example, 9:00 AM JST = 9:30 AM ACST; to convert, add 0:30 hours. Use this JST to ACST time zone converter to check the live current time in both cities, browse the 24-hour JST to ACST conversion table, plan international meetings, find the best overlap hours, and account for daylight saving time changes automatically.

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JST

Japan Standard Time

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12am6am12pm6pm12am
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Australian Central Standard Time is 0:30 hours ahead of Japan Standard Time

ACST

Australian Central Standard Time

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12am6am12pm6pm12am
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JST to ACST Time Zone Difference — Hour-by-Hour Conversion Table

Scan each row to convert any JST time to ACST and find the exact time difference between Tokyo and Darwin hour by hour. Amber-highlighted rows mark standard daytime business hours, making it easy to spot overlapping work windows for scheduling international meetings or remote team calls. Tap the arrows to jump between days, click "Today" to reset, and all daylight saving time transitions are handled automatically.

JST (Tokyo)ACST (Darwin)

What Time Is It Now in Tokyo?

Live current local time in Tokyo, Japan — JST (UTC+9:00). Updates every second.

Loading current JST time...

What Time Is It Now in Darwin?

Live current local time in Darwin, Australia — ACST (UTC+9:30). Updates every second.

Loading current ACST time...

JST to ACST Quick Reference

Common business hours in Tokyo converted to Darwin local time — handy for scheduling video calls, client meetings, and international conference calls.

6:00 AM JST 6:30 AM ACST
7:00 AM JST 7:30 AM ACST
8:00 AM JST 8:30 AM ACST
9:00 AM JST 9:30 AM ACST
10:00 AM JST 10:30 AM ACST
11:00 AM JST 11:30 AM ACST
12:00 PM JST 12:30 PM ACST
1:00 PM JST 1:30 PM ACST
2:00 PM JST 2:30 PM ACST
3:00 PM JST 3:30 PM ACST
4:00 PM JST 4:30 PM ACST
5:00 PM JST 5:30 PM ACST

JST & ACST Meeting Planner — Best Overlapping Hours

Use the color-coded conversion table above to find overlapping business hours between Tokyo and Darwin. Amber rows mark standard daytime work hours (8 AM–6 PM local time) — pick a slot that falls in amber on both sides for a meeting time that works for everyone. Since JST (UTC+9:00) is 0:30 hours ahead of ACST (UTC+9:30), this time zone meeting planner is ideal for scheduling international calls, remote team standups, and cross-border project syncs.

Why Trust This Tokyo to Darwin Time Zone Converter?

ConvertFlash uses the IANA Time Zone Database — the same authoritative source that powers your phone, browser, and every major operating system — so every Tokyo to Darwin conversion handles daylight saving time transitions, half-hour UTC offsets, and historical time zone changes automatically. The live world clock updates every second, and the hour-by-hour conversion table regenerates correctly for any past or future date you select, making it reliable for both real-time checks and advance international scheduling.

JST — Japan Standard Time

Tokyo, Japan — UTC offset UTC+9:00

Abbreviation
JST
UTC Offset
UTC+9:00
City
Tokyo
Country
Japan

ACST — Australian Central Standard Time

Darwin, Australia — UTC offset UTC+9:30

Abbreviation
ACST
UTC Offset
UTC+9:30
City
Darwin
Country
Australia