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Convert Korean Time to Western Indonesia Time

KST · UTC+9 → WIB · UTC+7

KST is 2 hours ahead of WIB

Seoul · UTC+9

Tuesday, 8 September 2026

Jakarta · UTC+7

Tuesday, 8 September 2026

When are both sides at work?

0003060912151821
SeoulUTC+9 · +09:00
0003060912151821
JakartaUTC+7 · +07:00
2201040710131619

Shared working hours: 11:00–18:00 in Seoul is 09:00–16:00 in Jakarta.

Working (09–18) Awake, off the clock Asleep (23–07)

Pick a time and share it

16:07 Tue 8 Sep Seoul = 14:07 Tue 8 Sep Jakarta

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Hour-by-hour conversion

Seoul (KST)Jakarta (WIB)
00:0022:00prev. day
01:0023:00prev. day
02:0000:00
03:0001:00
04:0002:00
05:0003:00
06:0004:00
07:0005:00
08:0006:00
09:0007:00
10:0008:00
11:0009:00Both at work
12:0010:00Both at work
13:0011:00Both at work
14:0012:00Both at work
15:0013:00Both at work
16:0014:00Now
17:0015:00Both at work
18:0016:00
19:0017:00
20:0018:00
21:0019:00
22:0020:00
23:0021:00

About this conversion

KST here means Korean Time, represented by Seoul (Asia/Seoul), currently UTC+9. WIB means Western Indonesia Time, represented by Jakarta (Asia/Jakarta), currently UTC+7.

KST is used by 2 zones, including South Korea. If you meant a different one, see every meaning of KST.

Working hours are shown as 09:00–18:00 local, and sleeping hours as 23:00–07:00. The hour table is anchored on the current day in Seoul; day boundaries are marked where the date differs.

Quick answers

  • 09:00 KST is 07:00 WIB
  • 12:00 KST is 10:00 WIB
  • 15:00 KST is 13:00 WIB
  • 18:00 KST is 16:00 WIB

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