2025 US Regular Market Hours Complete Breakdown: Understand New York, NASDAQ, and American Stock Exchange Trading Hours and Holidays at a Glance

2025-12-24 18:46:28

Introduction

Investors interested in US stocks should be aware of the exact trading hours for each exchange, such as NYSE, NASDAQ, and AMEX. Especially when considering factors like the time difference with Korea, daylight saving time, and the absence of price limit bands, thorough preparation is essential. This article will organize all the necessary information for investing, from regular trading hours to holidays and trading regulations.

The Three Major US Stock Exchanges and Their Features

###New York Stock Exchange(NYSE): The Largest in the World

Founded in 1792, the NYSE is the world’s largest stock exchange by market capitalization. About 2,400 companies are listed, with a total market cap of approximately $23 trillion. Traditional large companies such as Berkshire Hathaway, Johnson & Johnson, Visa, and Walmart are mainly traded here.

###NASDAQ(: The Hub of IT Companies

Established in 1971, NASDAQ is the second-largest exchange globally, characterized by a listing structure centered around IT companies. Apple, Microsoft, Nvidia, and other tech-driven firms are actively traded in this market.

)American Stock Exchange###AMEX(: The Stage for Mid-sized and Small Companies

AMEX is one of the three major US exchanges, primarily listing small to mid-cap companies compared to NYSE.

US Regular Trading Hours and Trading Regulations: What You Need to Know

All three exchanges apply the same trading hours, so there is no need to check each exchange separately. However, note that the date changes according to Korea time, and daylight saving time is applied from the second Sunday in March to the first Sunday in November, moving trading hours one hour earlier.

Comparison Table of the Three Major US Exchanges’ Trading Hours

Category	NYSE)	NASDAQ(	AMEX)
Regular Trading Hours	09:30~16:00 ET / 23:30~06:00 KST (22:30~05:00)*	09:30~16:00 ET / 23:30~06:00 KST (22:30~05:00)*	09:30~16:00 ET / 23:30~06:00 KST (22:30~05:00)*
Pre-market Hours	04:00~09:30 ET / 18:00~23:30 KST (17:00~22:30)*	04:00~09:30 ET / 18:00~23:30 KST (17:00~22:30)*	04:00~09:30 ET / 18:00~23:30 KST (17:00~22:30)*
After-hours Trading	16:00~20:00 ET / Next day 06:00~10:00 KST (05:00~09:00)*	16:00~20:00 ET / Next day 06:00~10:00 KST (05:00~09:00)*	16:00~20:00 ET / Next day 06:00~10:00 KST (05:00~09:00)*
Trading Currency	USD	USD	USD
Settlement Days	2 Business Days	2 Business Days	2 Business Days

*When daylight saving time is in effect

( Important Features of US Regular Trading

Unlike Korea, the US stock market has no price limit bands. Since trading occurs at night Korea time, rapid declines can be difficult to respond to quickly, so plan your trading strategy accordingly.

2025 US Market Holidays

Checking holidays in advance is crucial for efficient trading.

US Market Holidays in 2025

Date	Reason
January 1 )Wed(	New Year’s Day
January 9 )Thu###	National Day of Mourning 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

( Check Early Close Days as Well

On the day before Independence Day, the day after Thanksgiving, and Christmas Eve, the market closes early at 1 PM ET.

2025 Early Close Days

Date	Reason	Korea Time Close
July 3 )Thu(	Day before Independence Day	Next day 02:00 AM
November 28 )Fri###	Day after Thanksgiving	Next day 03:00 AM
December 24 (Wed)	Christmas Eve	Next day 03:00 AM

Comparing US Regular Trading Hours with Major International Exchanges

For global investments, knowing other countries’ trading hours can be helpful.

Major Stock Exchanges’ Trading Hours by Country

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

*When daylight saving time is in effect

Concluding Remarks

Accurately understanding the regular trading hours of the US stock market is the first step toward successful overseas stock investing. Be sure to familiarize yourself with the trading hours, holidays, and time difference between Korea and the US exchanges. Since exchange regulations can change, always check the latest information regularly.

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