Hiroshima to Sydney Time Difference
Sydney is 1 hour ahead of Hiroshima. When it is noon in Hiroshima, it is 13:00 in Sydney.
Tokyo (UTC+9) → Sydney (UTC+10)
🕐 Interactive Time Explorer
When it's 19:00 in Hiroshima, it's 20:00 in Sydney
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Hiroshima & Sydney✓ 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 09:00
09:00 - 16:00
⏰ Quick Conversion
06:00
Hiroshima
07:00
Sydney
09:00
Hiroshima
10:00
Sydney
12:00
Hiroshima
13:00
Sydney
15:00
Hiroshima
16:00
Sydney
18:00
Hiroshima
19:00
Sydney
21:00
Hiroshima
22:00
Sydney
00:00
Hiroshima
01:00
Sydney
03:00
Hiroshima
04:00
Sydney
Frequently Asked Questions
How many hours is Hiroshima behind Sydney?
Sydney is 1 hour ahead of Hiroshima. When it is 12:00 noon in Hiroshima, it is 13:00 in Sydney. Hiroshima operates on Asia/Tokyo (UTC+9), while Sydney uses Australia/Sydney (UTC+10).
What is the best time to call Sydney from Hiroshima?
There are 7 hours of overlapping business time (9 AM–5 PM) between Hiroshima and Sydney. The best window is 09:00–16:00 Hiroshima time (10:00–17:00 in Sydney).
Does the Hiroshima to Sydney 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 Hiroshima and Sydney
The distance between Hiroshima and Sydney is approximately 7,838 km. A direct flight typically takes around 10.2 hours. Your arrival clock will show local Sydney time — use our Flight Time Calculator to predict exact arrival times.