Countries: 🇰🇷 South Korea.
Also known in software as: ROK.
Korean Time
Korean Standard Time (KST)
IANA: Asia/Seoul · UTC+9
Asia/Seoul does not use daylight saving time. The offset stays UTC+9 all year.
Sunrise 06:27 · Sunset 18:15
Daylight 11h 48m · Solar noon 12:21
| City | Local time | Difference from Asia/Seoul |
|---|---|---|
| New York | Thu | 13 hours behind |
| Los Angeles | Thu | 16 hours behind |
| London | Thu | 8 hours behind |
| Paris | Thu | 7 hours behind |
| Dubai | Thu | 5 hours behind |
| Mumbai | Thu | 3.5 hours behind |
| Singapore | Fri | 1 hour behind |
| Tokyo | Fri | same time |
| Sydney | Fri | 1 hour ahead |
| Johannesburg | Thu | 7 hours behind |
| São Paulo | Thu | 12 hours behind |
| Chicago | Thu | 14 hours behind |
Asia/Seoul is on Korean Time (KST, UTC+9). The IANA identifier is Asia/Seoul.
No. Asia/Seoul keeps UTC+9 all year, so its time difference with places that do change their clocks shifts by an hour twice a year.
Older software may still use ROK; these are aliases of Asia/Seoul and give identical times.
Standard offset UTC+9, no daylight saving time (as of 2026).
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | |||
| 5 | 6 | 7 | 8 | 9 | 10 | 11 |
| 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| 19 | 20 | 21 | 22 | 23 | 24 | 25 |
| 26 | 27 | 28 | 29 | 30 | 31 |