2025 US Holidays and Stock Market Trading Hours: A Must-Know Guide for Korean Investors

2025-12-24 15:36:06

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Introduction: Why You Can’t Miss US Market Holidays

For Korean investors investing in US stocks, knowing only the trading hours is not enough. You must accurately understand the US market holidays to prevent your investment plans from going awry. Especially when considering the time difference between Eastern US Time and Korea, as well as daylight saving time, managing trading schedules becomes very complex. This article provides practical information, including the full list of US market holidays in 2025, daily trading hours, and international market opening times, all at a glance.

Complete Guide to US Stock Market Holidays in 2025

The US stock markets also have holidays, just like Korea. Here is the full schedule of US market holidays for 2025:

Date (US Standard Time)	Reason for Holiday
January 1 (Thu)	New Year’s Day
January 9 (Thu)	Memorial for Former President Jimmy Carter
January 20 (Mon)	Martin Luther King Jr. Day
February 17 (Mon)	Presidents’ Day
April 18 (Fri)	Good Friday
May 26 (Mon)	Memorial Day
June 19 (Thu)	Juneteenth Day
July 4 (Fri)	Independence Day
September 1 (Mon)	Labor Day
November 27 (Thu)	Thanksgiving Day
December 25 (Thu)	Christmas Day

In addition to holidays, there are days with early market close:

Date (US Standard Time)	Reason for Early Close and Korea Time
July 3 (Thu)	Day before Independence Day - Closes at 2 AM next day Korea time
November 28 (Fri)	Day after Thanksgiving - Closes at 3 AM next day Korea time
December 24 (Wed)	Christmas Eve - Closes at 3 AM next day Korea time

The 3 Major US Stock Exchanges and Trading Hours

The main US stock exchanges are the New York Stock Exchange (NYSE), NASDAQ (NASDAQ), and the American Stock Exchange (AMEX). All these exchanges follow the same trading hours.

###Features of Each Exchange

New York Stock Exchange (NYSE): Established in 1792, it is the oldest and largest in the world by market capitalization. About 2,400 companies are listed, mainly traditional large-cap companies like (Berkshire Hathaway, Johnson & Johnson, Visa).

NASDAQ (NASDAQ): Founded in 1971, it is relatively young and focuses on IT companies. Major tech stocks like Apple, Microsoft, Nvidia are primarily listed here.

American Stock Exchange (AMEX): One of the three major exchanges in the US, mainly listing mid- and small-cap companies.

###US Market Trading Hours (Korea Time

All three exchanges operate during the following hours:

Trading Session	US Eastern Time	Korea Time )Normal(	Korea Time )Daylight Saving Time(*
Pre-market	04:00~09:30	18:00~23:30	17:00~22:30
Regular Trading	09:30~16:00	23:30~06:00 )Next Day(	22:30~05:00 )Next Day(
After-hours	16:00~20:00	06:00~10:00 )Next Day(	05:00~09:00 )Next Day(

*Daylight Saving Time: Applies from the second Sunday in March to the first Sunday in November.

US Stock Market Trading Regulations Checklist

Key regulations to know when trading US stocks:

Trading Currency: US Dollar )USD(
Trading Unit: 1 share
Settlement Period: 2 business days )T+2(
Price Limit: None )No limit(
Fees: Vary by brokerage and securities firm

A crucial point is that there are no price limits. Unlike Korea, there are no restrictions on rapid price movements, so sudden fluctuations during Korea’s night hours can be difficult to respond to immediately.

Comparing Global Market Opening Times

If you trade stocks in other countries as well, the following information will be useful:

Exchange	Local Time	Korea Time
Korea Exchange	09:00~15:30	09:00~15:30
Tokyo Stock Exchange	09:00~15:00 )Break 11:30~12:30(	10:00~16:00 )Break 12:30~13:30(
London Stock Exchange	08:00~16:30	17:00~01:30 )Break 16:00~00:30(*
Hong Kong Stock Exchange	09:30~16:00 )Break 12:00~13:00(	10:30~17:00 )Break 13:00~14:00(
Shanghai Stock Exchange	09:30~15:00 )Break 11:30~13:00(	10:30~16:00 )Break 12:30~14:00(

Conclusion: Tips for Efficient Trading

By marking the 2025 US market holidays on your calendar in advance and planning your trading strategies according to different time zones, you can reduce mistakes. Since trading often occurs during Korea’s night hours, sufficient sleep and cautious position management are essential. Always check the official notices of the stock exchanges for the latest updates, and review their holiday and early close schedules before trading.

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