Korea Stock Trading Hours
Below are the trading hours for the Korea Exchange (KRX). South Korea uses Korea Standard Time (KST, UTC+9) year-round with no daylight saving adjustments. KST is 1 hour ahead of HKT (UTC+8), so when the Korean market opens at 09:00 KST, it's 08:00 HKT.
| Session | Time (KST) | Description |
| Pre-market Call Auction | 08:30 - 09:00 | Limit orders only; matched via call auction |
| Continuous Trading | 09:00 - 15:20 | Limit, market, and conditional orders accepted |
| Closing Call Auction | 15:20 - 15:30 | Limit orders only; matched via call auction |
Supported Sessions: We currently support KRX's core trading sessions (pre-market call auction, continuous trading, and closing call auction). The NXT market and after-hours session (15:40–18:00) are not yet supported.
Non-Trading Days:
- Saturdays and Sundays
- South Korean public holidays
- Labor Day (May 1)
- December 31 (or the last trading day before it)
- Special closure days designated by KRX
Comparison with Other Markets:
| Market | Local Trading Hours | HKT |
| Korean Stocks (KRX) | 09:00 - 15:30 | 08:00 - 14:30 |
| Hong Kong Stocks | 09:30 - 16:00 | 09:30 - 16:00 |
| US Stocks | 09:30 - 16:00 (ET) | Summer (EDT): 21:30 - 04:00 (next day) Winter (EST): 22:30 - 05:00 (next day) |