Time Difference Between Karatsu and Sydney
Sydney is 1 hour ahead Karatsu.
Japan
Karatsu
Asia/Tokyo · UTC+9
Australia
Sydney
Australia/Sydney · UTC+10
Best Times to Meet
Hours where standard working time (9 AM – 6 PM) overlaps in both Karatsu and Sydney.
Karatsu
9:00 AM
Sydney
10:00 AM
Karatsu
10:00 AM
Sydney
11:00 AM
Karatsu
11:00 AM
Sydney
12:00 PM
Karatsu
12:00 PM
Sydney
1:00 PM
Karatsu
1:00 PM
Sydney
2:00 PM
Karatsu
2:00 PM
Sydney
3:00 PM
Karatsu
3:00 PM
Sydney
4:00 PM
Karatsu
4:00 PM
Sydney
5:00 PM
Karatsu to Sydney — 24-Hour Conversion
Each row shows the equivalent local time in Sydney for an hour in Karatsu. Working-hours rows (9–18) are highlighted.
| Karatsu | Sydney | Match |
|---|---|---|
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| Workday in Sydney | ||
| Best for meetings | ||
| Best for meetings | ||
| Best for meetings | ||
| Best for meetings | ||
| Best for meetings | ||
| Best for meetings | ||
| Best for meetings | ||
| Best for meetings | ||
| Workday in Karatsu | ||
| Off hours | ||
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| +1 day | Off hours |
Frequently Asked Questions
What is the time difference between Karatsu and Sydney?
Sydney, Australia (UTC+10) is 1 hour ahead Karatsu, Japan (UTC+9).
What is the best time to schedule a meeting between Karatsu and Sydney?
The best meeting times overlap when both cities are within standard working hours (9 AM – 6 PM). The full hour-by-hour table on this page lists every overlap window.
Does daylight saving time change the difference between Karatsu and Sydney?
Yes — when one city observes daylight saving time and the other does not, the gap shifts by an hour. The conversion table on this page reflects the current offset, including any active DST.
When it is 9 AM in Karatsu, what time is it in Sydney?
Use the conversion table on this page — every hour in Karatsu is mapped to its equivalent local time in Sydney, including day shift markers when the date differs.