Tokyo to Semarang Time Difference
Semarang is 2 hours behind Tokyo. When it is noon in Tokyo, it is 10:00 in Semarang.
Tokyo (UTC+9) → Jakarta (UTC+7)
🕐 Interactive Time Explorer
When it's 07:00 in Tokyo, it's 05:00 in Semarang
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Tokyo & Semarang✓ Perfect Match (6 hours)
◐ Extended Hours (4 hours)
✈️ Travel Information
Distance
5,644 km
Est. Flight Time
~7.6h
Time Difference
-2h
Work Hours Overlap
6h
Excellent
🟢 Good to Call Now
16:24
11:00 - 17:00
⏰ Quick Conversion
06:00
Tokyo
04:00
Semarang
09:00
Tokyo
07:00
Semarang
12:00
Tokyo
10:00
Semarang
15:00
Tokyo
13:00
Semarang
18:00
Tokyo
16:00
Semarang
21:00
Tokyo
19:00
Semarang
00:00
Tokyo
22:00
Semarang (-1)
03:00
Tokyo
01:00
Semarang
Frequently Asked Questions
How many hours is Tokyo ahead of Semarang?
Semarang is 2 hours behind Tokyo. When it is 12:00 noon in Tokyo, it is 10:00 in Semarang. Tokyo operates on Asia/Tokyo (UTC+9), while Semarang uses Asia/Jakarta (UTC+7).
What is the best time to call Semarang from Tokyo?
There are 7 hours of overlapping business time (9 AM–5 PM) between Tokyo and Semarang. The best window is 11:00–18:00 Tokyo time (09:00–16:00 in Semarang).
Does the Tokyo 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 Tokyo and Semarang
The distance between Tokyo and Semarang is approximately 5,644 km. A direct flight typically takes around 7.6 hours. Your arrival clock will show local Semarang time — use our Flight Time Calculator to predict exact arrival times.