Offset
The time difference between Western Indonesia Time and Korea Standard Time is 2 hours.
Western Indonesia Time (WIB) is behind Korea Standard Time (KST).
WIB: UTC+7
KST: UTC+9
Neither Western Indonesia Time nor Korea Standard Time is currently observing daylight saving time.
When to schedule
Business-hours overlap: 9 AM–3 PM in Western Indonesia Time (11 AM–5 PM in Korea Standard Time).
Both teams are in working hours during this window on weekdays.
Suggested time: 12:00 PM Western Indonesia Time (2:00 PM Korea Standard Time).
Public holidays in 2026
National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.
Indonesia
- New Year's DayThu, Jan 1
- Good FridayFri, Apr 3
- Easter SundaySun, Apr 5
- Labour DayFri, May 1
- Ascension DayThu, May 14
- Pancasila DayMon, Jun 1
- Independence DayMon, Aug 17
- Christmas DayFri, Dec 25
South Korea
- New Year's DayThu, Jan 1
- Lunar New YearMon, Feb 16
- Lunar New YearTue, Feb 17
- Lunar New YearWed, Feb 18
- Independence Movement DayMon, Mar 2
- Labour DayFri, May 1
- Children's DayTue, May 5
- Buddha's BirthdayMon, May 25
- Local Election DayWed, Jun 3
- Memorial DaySat, Jun 6
- Constitution DayFri, Jul 17
- Liberation DayMon, Aug 17
- ChuseokThu, Sep 24
- ChuseokFri, Sep 25
- ChuseokSat, Sep 26
- National Foundation DayMon, Oct 5
- Hangul DayFri, Oct 9
- Christmas DayFri, Dec 25
About these zones
Western Indonesia Time is also known as WIB. To call Indonesia, dial +62.
Korea Standard Time is also known as KST. To call South Korea, dial +82.
Korea Standard Time is approximately 3,300 miles north of Western Indonesia Time.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| WIB | KST | Day |
|---|---|---|
| 12:00 am | 2:00 am | Same day |
| 1:00 am | 3:00 am | Same day |
| 2:00 am | 4:00 am | Same day |
| 3:00 am | 5:00 am | Same day |
| 4:00 am | 6:00 am | Same day |
| 5:00 am | 7:00 am | Same day |
| 6:00 am | 8:00 am | Same day |
| 7:00 am | 9:00 am | Same day |
| 8:00 am | 10:00 am | Same day |
| 9:00 am | 11:00 am | Same day |
| 10:00 am | 12:00 pm | Same day |
| 11:00 am | 1:00 pm | Same day |
| 12:00 pm | 2:00 pm | Same day |
| 1:00 pm | 3:00 pm | Same day |
| 2:00 pm | 4:00 pm | Same day |
| 3:00 pm | 5:00 pm | Same day |
| 4:00 pm | 6:00 pm | Same day |
| 5:00 pm | 7:00 pm | Same day |
| 6:00 pm | 8:00 pm | Same day |
| 7:00 pm | 9:00 pm | Same day |
| 8:00 pm | 10:00 pm | Same day |
| 9:00 pm | 11:00 pm | Same day |
| 10:00 pm | 12:00 am | +1 day |
| 11:00 pm | 1:00 am | +1 day |
Daylight saving time
Neither Western Indonesia Time nor Korea Standard Time observes daylight saving time. The offset between these zones remains constant year-round.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 5:59 AM
- Sunset
- 5:45 PM
- Day length
- 11h 47m
- Sunrise
- 5:12 AM
- Sunset
- 7:51 PM
- Day length
- 14h 38m
Daylight overlap: 11h 47m — 5:59 AM–5:45 PM in Western Indonesia Time (7:59 AM–7:45 PM in Korea Standard Time). Both locations are in daylight during this window.
Cities in these zones
Cities in Western Indonesia Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Western Indonesia Time
- CGK
- HLP
- SUB
- BDO
- KNO
- PLM
- SRG
Airports in Korea Standard Time
- GMP
- ICN
- PUS
- TAE
- CJJ
- KWJ
- MWX
Related conversions
Common conversions
- What is 9:00 am WIB in KST?
- 9:00 am WIB is 11:00 am KST.
- What is 12:00 pm WIB in KST?
- 12:00 pm WIB is 2:00 pm KST.
- What is 12:30 pm WIB in KST?
- 12:30 pm WIB is 2:30 pm KST.
- What is 2:00 pm WIB in KST?
- 2:00 pm WIB is 4:00 pm KST.
- What is 5:00 pm WIB in KST?
- 5:00 pm WIB is 7:00 pm KST.
- What is 11:30 pm WIB in KST?
- 11:30 pm WIB is 1:30 am KST, the next day.