Offset
The time difference between Korea Standard Time and Indochina Time is 2 hours.
Korea Standard Time (KST) is ahead of Indochina Time (ICT).
KST: UTC+9
ICT: UTC+7
Neither Korea Standard Time nor Indochina Time is currently observing daylight saving time.
When to schedule
Business-hours overlap: 11 AM–5 PM in Korea Standard Time (9 AM–3 PM in Indochina Time).
Both teams are in working hours during this window on weekdays.
Suggested time: 2:00 PM Korea Standard Time (12:00 PM Indochina 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
About these zones
Korea Standard Time is also known as KST. To call South Korea, dial +82.
Indochina Time is also known as ICT. To call Thailand, dial +66.
Indochina Time is approximately 2,300 miles southwest of Korea Standard Time.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| KST | ICT | Day |
|---|---|---|
| 12:00 am | 10:00 pm | -1 day |
| 1:00 am | 11:00 pm | -1 day |
| 2:00 am | 12:00 am | Same day |
| 3:00 am | 1:00 am | Same day |
| 4:00 am | 2:00 am | Same day |
| 5:00 am | 3:00 am | Same day |
| 6:00 am | 4:00 am | Same day |
| 7:00 am | 5:00 am | Same day |
| 8:00 am | 6:00 am | Same day |
| 9:00 am | 7:00 am | Same day |
| 10:00 am | 8:00 am | Same day |
| 11:00 am | 9:00 am | Same day |
| 12:00 pm | 10:00 am | Same day |
| 1:00 pm | 11:00 am | Same day |
| 2:00 pm | 12:00 pm | Same day |
| 3:00 pm | 1:00 pm | Same day |
| 4:00 pm | 2:00 pm | Same day |
| 5:00 pm | 3:00 pm | Same day |
| 6:00 pm | 4:00 pm | Same day |
| 7:00 pm | 5:00 pm | Same day |
| 8:00 pm | 6:00 pm | Same day |
| 9:00 pm | 7:00 pm | Same day |
| 10:00 pm | 8:00 pm | Same day |
| 11:00 pm | 9:00 pm | Same day |
Daylight saving time
Neither Korea Standard Time nor Indochina 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
- 5:12 AM
- Sunset
- 7:51 PM
- Day length
- 14h 38m
- Sunrise
- 5:50 AM
- Sunset
- 6:44 PM
- Day length
- 12h 54m
Daylight overlap: 12h — 7:50 AM–7:51 PM in Korea Standard Time (5:50 AM–5:51 PM in Indochina Time). Both locations are in daylight during this window.
Cities in these zones
Cities in Indochina Time
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
Airports in Indochina Time
- HAN
- BKK
- DMK
- HPH
Related conversions
Common conversions
- What is 9:00 am KST in ICT?
- 9:00 am KST is 7:00 am ICT.
- What is 12:00 pm KST in ICT?
- 12:00 pm KST is 10:00 am ICT.
- What is 12:30 pm KST in ICT?
- 12:30 pm KST is 10:30 am ICT.
- What is 2:00 pm KST in ICT?
- 2:00 pm KST is 12:00 pm ICT.
- What is 5:00 pm KST in ICT?
- 5:00 pm KST is 3:00 pm ICT.
- What is 11:30 pm KST in ICT?
- 11:30 pm KST is 9:30 pm ICT.