Mataram to Seoul: time difference
Seoul is 1 h ahead of Mataram. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Mataram 19:33 7:33 PM Seoul 20:33 8:33 PM You –:–
19:33 7:33 PM
Central Indonesia Time · UTC+8
☀️ 05:51 · 🌙 18:11
20:33 8:33 PM
Korean Standard Time · UTC+9
☀️ 06:45 · 🌙 17:50
·
+1 h
Seoul is 1 h ahead of Mataram.
When you, Mataram and Seoul are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇮🇩 Mataram
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇰🇷 Seoul
1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇮🇩 Mataram | 🇰🇷 Seoul |
|---|---|---|
| Local time | 19:33 | 20:33 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Central Indonesia Time | Korean Standard Time |
| UTC offset | UTC+8 | UTC+9 |
| Offset from Mataram | — | +1 h |
| IANA zone | Asia/Makassar | Asia/Seoul |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:51 | 06:45 |
| Sunset | 18:11 | 17:50 |
| Daylight | 12 h 19 min | 11 h 5 min |
| People on this clock | 402,843 | 9,509,458 |
Compare Mataram with another city
More comparisons with Mataram: the time zones next to it and the far side of the clock.
Big time differences
Mataram and Seoul: common questions
How many hours ahead of Mataram is Seoul?
The clocks in Seoul are 1 hour ahead of those in Mataram (UTC+9 and UTC+8).
What time is it in Seoul when it is 9:00 AM in Mataram?
When it is 9:00 AM in Mataram, it is 10:00 AM in Seoul.
What time is it in Seoul at the end of the working day in Mataram?
The working day in Mataram ends at 6:00 PM; in Seoul it is 7:00 PM at that moment.
When is a good time to call Seoul from Mataram?
Between 9:00 AM and 5:00 PM in Mataram – that is 10:00 AM to 6:00 PM in Seoul – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Seoul compared with Mataram?
The new day starts in Seoul earlier: at 11:00 PM in Mataram it is already midnight there. Until 1:00 AM in Seoul, Mataram is still on the previous day.
Is the time difference between Mataram and Seoul the same all year?
Yes. Neither Mataram nor Seoul switches to summer time, so the gap is always 1 hour.
