KST Time Now — Korea Standard Time
The current KST time (Korea Standard Time, UTC +09:00) is shown below.
KST — UTC +09:00
Friday, 23 October 2026 KST
Where KST is used
KST has no standard English abbreviation in the Unicode CLDR data that browsers and phones use, so software usually labels these places "GMT+9". These 9 zones keep UTC +09:00 all year — the same clock as KST:
| Zone | Country | January | July |
|---|---|---|---|
| Asia/Chita | Russia | GMT+9 +09:00 | GMT+9 +09:00 |
| Asia/Dili | Timor-Leste | GMT+9 +09:00 | GMT+9 +09:00 |
| Asia/Jayapura | Indonesia | GMT+9 +09:00 | GMT+9 +09:00 |
| Asia/Khandyga | Russia | GMT+9 +09:00 | GMT+9 +09:00 |
| Asia/Pyongyang | North Korea | GMT+9 +09:00 | GMT+9 +09:00 |
| Asia/Seoul | South Korea | GMT+9 +09:00 | GMT+9 +09:00 |
| Asia/Tokyo | Japan | GMT+9 +09:00 | GMT+9 +09:00 |
| Asia/Yakutsk | Russia | GMT+9 +09:00 | GMT+9 +09:00 |
| Pacific/Palau | Palau | GMT+9 +09:00 | GMT+9 +09:00 |
About KST
Offset & DST
UTC offset: +09:00
Daylight saving: Not observed
Representative IANA zone: Asia/Seoul
IANA zones at KST
Converting KST to other time zones
KST is fixed at UTC +09:00 — written +0900 in email headers and +09:00 in ISO 8601 timestamps. The table below uses each abbreviation's own fixed offset; for a specific place, check its city page, since local clocks switch between standard and daylight abbreviations.
| Zone | Difference | When it's 12:00 KST | Converter |
|---|---|---|---|
| UTC Coordinated Universal Time | −9 h | 03:00 | Hour by hour → |
| PST Pacific Standard Time | −17 h | 19:00 (−1 day) | Hour by hour → |
| MST Mountain Standard Time | −16 h | 20:00 (−1 day) | Hour by hour → |
| CST Central Standard Time | −15 h | 21:00 (−1 day) | Hour by hour → |
| EST Eastern Standard Time | −14 h | 22:00 (−1 day) | Hour by hour → |
| BRT Brasília Time | −12 h | 00:00 | Hour by hour → |
| BST British Summer Time | −8 h | 04:00 | Hour by hour → |
| CET Central European Time | −8 h | 04:00 | Hour by hour → |
| EET Eastern European Time | −7 h | 05:00 | Hour by hour → |
| MSK Moscow Standard Time | −6 h | 06:00 | Hour by hour → |
| GST Gulf Standard Time | −5 h | 07:00 | Hour by hour → |
| IST India Standard Time | −3:30 h | 08:30 | Hour by hour → |
| CST China Standard Time | −1 h | 11:00 | Hour by hour → |
| AEST Australian Eastern Standard Time | +1 h | 13:00 | Hour by hour → |
Countries commonly using KST
Other zones at UTC +09:00
KST questions
- What is KST in UTC?
- KST (Korea Standard Time) is UTC +09:00. In ISO 8601 timestamps it is written +09:00, in email and HTTP headers +0900.
- Which countries are on the same time as KST?
- Places on the same clock as KST all year are in Indonesia, Japan, North Korea, Palau, Russia, South Korea, Timor-Leste.
More tools for KST
Look up the exact IANA zone behind KST, see it on the offset map, or compare it against other cities.