Sydney to Semarang Time Difference
Semarang is 3 hours behind Sydney. When it is noon in Sydney, it is 09:00 in Semarang.
Sydney (UTC+10) → Jakarta (UTC+7)
🕐 Interactive Time Explorer
When it's 20:00 in Sydney, it's 17:00 in Semarang
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Sydney & Semarang✓ Perfect Match (5 hours)
◐ Extended Hours (5 hours)
✈️ Travel Information
Distance
5,142 km
Est. Flight Time
~7h
Time Difference
-3h
Work Hours Overlap
5h
Good
🔴 Office Closed
Today 12:00
12:00 - 17:00
⏰ Quick Conversion
06:00
Sydney
03:00
Semarang
09:00
Sydney
06:00
Semarang
12:00
Sydney
09:00
Semarang
15:00
Sydney
12:00
Semarang
18:00
Sydney
15:00
Semarang
21:00
Sydney
18:00
Semarang
00:00
Sydney
21:00
Semarang (-1)
03:00
Sydney
00:00
Semarang
Frequently Asked Questions
How many hours is Sydney ahead of Semarang?
Semarang is 3 hours behind Sydney. When it is 12:00 noon in Sydney, it is 09:00 in Semarang. Sydney operates on Australia/Sydney (UTC+10), while Semarang uses Asia/Jakarta (UTC+7).
What is the best time to call Semarang from Sydney?
There are 6 hours of overlapping business time (9 AM–5 PM) between Sydney and Semarang. The best window is 12:00–18:00 Sydney time (09:00–15:00 in Semarang).
Does the Sydney to Semarang 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 Semarang
The distance between Sydney and Semarang is approximately 5,142 km. A direct flight typically takes around 7 hours. Your arrival clock will show local Semarang time — use our Flight Time Calculator to predict exact arrival times.