Offset
The time difference between Korea Standard Time and China Standard Time is 1 hour.
Korea Standard Time (KST) is ahead of China Standard Time (CST).
KST: UTC+9
CST: UTC+8
Neither Korea Standard Time nor China Standard Time is currently observing daylight saving time.
When to schedule
Business-hours overlap: 10 AM–5 PM in Korea Standard Time (9 AM–4 PM in China Standard Time).
Both teams are in working hours during this window on weekdays.
Suggested time: 1:00 PM Korea Standard Time (12:00 PM China 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.
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
China
- New Year's DayThu, Jan 1
- Chinese New Year (Spring Festival)Tue, Feb 17
- Labour DayFri, May 1
- Dragon Boat FestivalFri, Jun 19
- Mid-Autumn FestivalFri, Sep 25
- National DayThu, Oct 1
About these zones
Korea Standard Time is also known as KST. To call South Korea, dial +82.
China Standard Time is also known as CST. To call China, dial +86.
China Standard Time is approximately 550 miles southwest of Korea Standard Time.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| KST | CST-CHINA | Day |
|---|---|---|
| 12:00 am | 11:00 pm | -1 day |
| 1:00 am | 12:00 am | Same day |
| 2:00 am | 1:00 am | Same day |
| 3:00 am | 2:00 am | Same day |
| 4:00 am | 3:00 am | Same day |
| 5:00 am | 4:00 am | Same day |
| 6:00 am | 5:00 am | Same day |
| 7:00 am | 6:00 am | Same day |
| 8:00 am | 7:00 am | Same day |
| 9:00 am | 8:00 am | Same day |
| 10:00 am | 9:00 am | Same day |
| 11:00 am | 10:00 am | Same day |
| 12:00 pm | 11:00 am | Same day |
| 1:00 pm | 12:00 pm | Same day |
| 2:00 pm | 1:00 pm | Same day |
| 3:00 pm | 2:00 pm | Same day |
| 4:00 pm | 3:00 pm | Same day |
| 5:00 pm | 4:00 pm | Same day |
| 6:00 pm | 5:00 pm | Same day |
| 7:00 pm | 6:00 pm | Same day |
| 8:00 pm | 7:00 pm | Same day |
| 9:00 pm | 8:00 pm | Same day |
| 10:00 pm | 9:00 pm | Same day |
| 11:00 pm | 10:00 pm | Same day |
Daylight saving time
Neither Korea Standard Time nor China 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
- 5:12 AM
- Sunset
- 7:51 PM
- Day length
- 14h 38m
- Sunrise
- 4:51 AM
- Sunset
- 6:56 PM
- Day length
- 14h 5m
Daylight overlap: 14h — 5:51 AM–7:51 PM in Korea Standard Time (4:51 AM–6:51 PM in China Standard Time). Both locations are in daylight during this window.
Cities in these zones
Cities in China Standard 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 China Standard Time
- PVG
- SHA
- PEK
- PKX
- SZX
- CAN
- FUO
- CTU
- TFU
- TSN
Related conversions
Common conversions
- What is 9:00 am KST in CST-CHINA?
- 9:00 am KST is 8:00 am CST-CHINA.
- What is 12:00 pm KST in CST-CHINA?
- 12:00 pm KST is 11:00 am CST-CHINA.
- What is 12:30 pm KST in CST-CHINA?
- 12:30 pm KST is 11:30 am CST-CHINA.
- What is 2:00 pm KST in CST-CHINA?
- 2:00 pm KST is 1:00 pm CST-CHINA.
- What is 5:00 pm KST in CST-CHINA?
- 5:00 pm KST is 4:00 pm CST-CHINA.
- What is 11:30 pm KST in CST-CHINA?
- 11:30 pm KST is 10:30 pm CST-CHINA.