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Convert Korean Time to Lord Howe Time

KST · UTC+9 → LHST · UTC+10:30

KST is 1 hour 30 minutes behind LHST

Seoul · UTC+9

Tuesday, 8 September 2026

Lord Howe · LHST

Tuesday, 8 September 2026

When are both sides at work?

0003060912151821
SeoulUTC+9 · +09:00
0003060912151821
Lord HoweLHST · +10:30
0104071013161922

Shared working hours: 09:00–16:30 in Seoul is 10:30–18:00 in Lord Howe.

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

Pick a time and share it

16:07 Tue 8 Sep Seoul = 17:37 Tue 8 Sep Lord Howe

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Hour-by-hour conversion

Seoul (KST)Lord Howe (LHST)
00:0001:30
01:0002:30
02:0003:30
03:0004:30
04:0005:30
05:0006:30
06:0007:30
07:0008:30
08:0009:30
09:0010:30Both at work
10:0011:30Both at work
11:0012:30Both at work
12:0013:30Both at work
13:0014:30Both at work
14:0015:30Both at work
15:0016:30Both at work
16:0017:30Now
17:0018:30
18:0019:30
19:0020:30
20:0021:30
21:0022:30
22:0023:30
23:0000:30next day

About this conversion

KST here means Korean Time, represented by Seoul (Asia/Seoul), currently UTC+9. LHST means Lord Howe Time, represented by Lord Howe (Australia/Lord_Howe), currently UTC+10:30.

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 10:30 LHST
  • 12:00 KST is 13:30 LHST
  • 15:00 KST is 16:30 LHST
  • 18:00 KST is 19:30 LHST

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