Sydney to Hiroshima Time Difference
Hiroshima is 1 hour behind Sydney. When it is noon in Sydney, it is 11:00 in Hiroshima.
Sydney (UTC+10) → Tokyo (UTC+9)
🕐 Interactive Time Explorer
When it's 23:00 in Sydney, it's 22:00 in Hiroshima
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Sydney & Hiroshima✓ Perfect Match (7 hours)
◐ Extended Hours (2 hours)
✈️ Travel Information
Distance
7,838 km
Est. Flight Time
~10.2h
Time Difference
-1h
Work Hours Overlap
7h
Excellent
🔴 Office Closed
Today 10:00
10:00 - 17:00
⏰ Quick Conversion
06:00
Sydney
05:00
Hiroshima
09:00
Sydney
08:00
Hiroshima
12:00
Sydney
11:00
Hiroshima
15:00
Sydney
14:00
Hiroshima
18:00
Sydney
17:00
Hiroshima
21:00
Sydney
20:00
Hiroshima
00:00
Sydney
23:00
Hiroshima (-1)
03:00
Sydney
02:00
Hiroshima
Frequently Asked Questions
How many hours is Sydney ahead of Hiroshima?
Hiroshima is 1 hour behind Sydney. When it is 12:00 noon in Sydney, it is 11:00 in Hiroshima. Sydney operates on Australia/Sydney (UTC+10), while Hiroshima uses Asia/Tokyo (UTC+9).
What is the best time to call Hiroshima from Sydney?
There are 8 hours of overlapping business time (9 AM–5 PM) between Sydney and Hiroshima. The best window is 10:00–18:00 Sydney time (09:00–17:00 in Hiroshima).
Does the Sydney to Hiroshima time difference change throughout the year?
The time difference can shift by up to one hour when either city observes Daylight Saving Time (DST). DST transition dates differ between countries — typically March/April in the Northern Hemisphere and October in the Southern Hemisphere. Always verify the live difference above when scheduling important meetings near DST changeover dates.
Flying between Sydney and Hiroshima
The distance between Sydney and Hiroshima is approximately 7,838 km. A direct flight typically takes around 10.2 hours. Your arrival clock will show local Hiroshima time — use our Flight Time Calculator to predict exact arrival times.