World Timezones

KST to LHST Converter

Compare LHST to KST instead
Korea Standard Time1:36 pmFri, Jun 5
Korea Standard TimeKST
Asia · UTC+9
1:36 pmFri, Jun 5
12a
1a
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p
Lord Howe TimeLHST
Oceania · UTC+10:30
3:06 pmFri, Jun 5
1a
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p
12a

Offset

The time difference between Korea Standard Time and Lord Howe Time is 1.5 hours.

1.5 hours

Korea Standard Time (KST) is behind Lord Howe Time (LHST).

KST: UTC+9

LHST: UTC+10:30

Neither Korea Standard Time nor Lord Howe Time is currently observing daylight saving time.

When to schedule

Business-hours overlap: 9 AM–4 PM in Korea Standard Time (10 AM–5 PM in Lord Howe Time).

Both teams are in working hours during this window on weekdays.

Suggested time: 12:00 PM Korea Standard Time (1:30 PM Lord Howe Time).

This window may shift by an hour during daylight saving 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.

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

Australia

  • New Year's DayThu, Jan 1
  • Australia DayMon, Jan 26
  • Good FridayFri, Apr 3
  • Easter MondayMon, Apr 6
  • Christmas DayFri, Dec 25
  • St. Stephen's DayMon, Dec 28

About these zones

Korea Standard Time is also known as KST. To call South Korea, dial +82.

Lord Howe Time is also known as LHST, or LHDT. To call Australia, dial +61.

Lord Howe Time is approximately 5,200 miles southeast of Korea Standard Time.

Quick reference

Full 24-hour conversion table — tap any time to open it in the converter.

KSTLHSTDay
12:00 am1:30 amSame day
1:00 am2:30 amSame day
2:00 am3:30 amSame day
3:00 am4:30 amSame day
4:00 am5:30 amSame day
5:00 am6:30 amSame day
6:00 am7:30 amSame day
7:00 am8:30 amSame day
8:00 am9:30 amSame day
9:00 am10:30 amSame day
10:00 am11:30 amSame day
11:00 am12:30 pmSame day
12:00 pm1:30 pmSame day
1:00 pm2:30 pmSame day
2:00 pm3:30 pmSame day
3:00 pm4:30 pmSame day
4:00 pm5:30 pmSame day
5:00 pm6:30 pmSame day
6:00 pm7:30 pmSame day
7:00 pm8:30 pmSame day
8:00 pm9:30 pmSame day
9:00 pm10:30 pmSame day
10:00 pm11:30 pmSame day
11:00 pm12:30 am+1 day

Daylight saving time

Lord Howe Time observes daylight saving time; Korea Standard Time does not. The offset between the two zones changes when Lord Howe Time transitions: on Sunday, October 4, 2026, clocks spring forward from LHST to LHDT.

See the daylight saving time page for transition dates across every time zone.

Daylight today

Korea Standard Time
Sunrise
5:12 AM
Sunset
7:51 PM
Day length
14h 38m
Lord Howe Time
Sunrise
6:47 AM
Sunset
4:59 PM
Day length
10h 11m

Daylight overlap: 10h 11m — 5:17 AM–3:29 PM in Korea Standard Time (6:47 AM–4:59 PM in Lord Howe Time). Both locations are in daylight during this window.

Cities in these zones

Browse all cities to see the current local time anywhere.

Airports in these zones

Airports in Korea Standard Time

  • GMP
  • ICN
  • PUS
  • TAE
  • CJJ
  • KWJ
  • MWX

Related conversions

Common conversions

What is 9:00 am KST in LHST?
9:00 am KST is 10:30 am LHST.
What is 12:00 pm KST in LHST?
12:00 pm KST is 1:30 pm LHST.
What is 12:30 pm KST in LHST?
12:30 pm KST is 2:00 pm LHST.
What is 2:00 pm KST in LHST?
2:00 pm KST is 3:30 pm LHST.
What is 5:00 pm KST in LHST?
5:00 pm KST is 6:30 pm LHST.
What is 11:30 pm KST in LHST?
11:30 pm KST is 1:00 am LHST, the next day.