Seoul to Mataram: time difference
Mataram is 1 h behind Seoul. 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.
Seoul 22:17 10:17 PM Mataram 21:17 9:17 PM You –:–
22:17 10:17 PM
Korean Standard Time · UTC+9
☀️ 06:45 · 🌙 17:50
21:17 9:17 PM
Central Indonesia Time · UTC+8
☀️ 05:51 · 🌙 18:11
·
−1 h
Mataram is 1 h behind Seoul.
When you, Seoul and Mataram are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇰🇷 Seoul
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
🇮🇩 Mataram
23 11 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇰🇷 Seoul | 🇮🇩 Mataram |
|---|---|---|
| Local time | 22:17 | 21:17 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Korean Standard Time | Central Indonesia Time |
| UTC offset | UTC+9 | UTC+8 |
| Offset from Seoul | — | −1 h |
| IANA zone | Asia/Seoul | Asia/Makassar |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:45 | 05:51 |
| Sunset | 17:50 | 18:11 |
| Daylight | 11 h 5 min | 12 h 19 min |
| People on this clock | 9,509,458 | 402,843 |
Compare Seoul with another city
More comparisons with Seoul: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Seoul and Mataram: common questions
How many hours behind Seoul is Mataram?
The clocks in Mataram are 1 hour behind those in Seoul (UTC+8 and UTC+9).
What time is it in Mataram when it is 9:00 AM in Seoul?
When it is 9:00 AM in Seoul, it is 8:00 AM in Mataram.
What time is it in Mataram when it is 6:00 PM in Seoul?
When it is 6:00 PM in Seoul, it is 5:00 PM in Mataram.
When do working hours in Seoul and in Mataram overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in Seoul, which is 9:00 AM to 5:00 PM in Mataram.
Until what time in Seoul is it still yesterday in Mataram?
Before 1:00 AM in Seoul, the date in Mataram has not changed yet. From 11:00 PM in Mataram, it is already the next day in Seoul.
Does the time difference between Seoul and Mataram change?
No. Neither place uses daylight saving time, so the difference stays 1 hour all year.
