Time Zone Converter: NYSE, Nasdaq, and NYSE American in Your Local Time Zone
Before delving into specific details, it is essential to understand how the schedules of the U.S. stock markets translate to your geographic location. The main markets operate on Eastern Time (ET), so we present a quick reference table for the main Spanish-speaking capitals:
LOCATION
OPENING
CLOSING
Madrid (ESP)
3:30 pm
10:00 pm
Mexico City (MEX)
8:00 am
3:00 pm
Buenos Aires (ARG)
10:30 am
5:00 pm
Bogotá (COL)
8:00 am
3:00 pm
Lima (PER)
8:00 am
3:00 pm
Santiago de Chile (CHL)
8:30 am
3:30 pm
Caracas (VNZ)
8:30 am
3:30 pm
Quito (ECU)
8:00 am
3:00 pm
La Paz (BOL)
8:30 am
3:30 pm
Montevideo (URG)
8:30 am
3:30 pm
NYSE: The Giant of the Global Stock Market
Full Trading Day at the New York Stock Exchange
The New York Stock Exchange represents the epicenter of global securities trading, operating on a well-defined weekly schedule. From Monday to Friday, traders have multiple time windows to execute their strategies:
PERIOD
(ET) TIME
Pre-market
4:00 am - 9:30 am
Regular session
9:30 am - 4:00 pm
After-market
4:00 pm - 8:00 pm
On Saturdays and Sundays, the market remains closed, allowing for settlement of trades and market analysis.
Daily Trading Windows at the New York Stock Exchange
Pre-trading phase: The NYSE begins activity from 4:00 am ET, allowing institutional investors to start positioning. This early session extends until 9:30 am, when regular trading begins.
Full session hours: The New York Stock Exchange operates at peak activity between 9:30 am and 4:00 pm ET. During these eight and a half hours, 95% of transaction volume and the highest volatility are concentrated.
Extended trading: After the official close at 4:00 pm, the market remains active in after-hours session until 8:00 pm ET, allowing investors to adjust positions or capitalize on last-minute news.
Holiday Calendar: 2025 NYSE Holidays
HOLIDAY
DATE
New Year’s Day
Wednesday, January 1
Martin Luther King Jr.
Monday, January 20
Washington’s Birthday
Monday, February 17
Good Friday
Friday, April 18
Memorial Day
Monday, May 26
Juneteenth
Thursday, June 19
Independence Day
Friday, July 4
Labor Day
Monday, September 1
Thanksgiving
Thursday, November 27
Christmas
Thursday, December 25
Nasdaq: Technology and Growth Specialist
Structure of the Second Most Important Market
Formally known as the National Association of Securities Dealers Automated Quotation, Nasdaq operates with a trading schedule almost identical to the NYSE. However, its fundamental nature differs significantly. While NYSE hosts established companies and financial securities, Nasdaq specializes in technology, biotech, and high-growth companies.
Nasdaq Trading Hours
PERIOD
(ET) TIME
Pre-market
4:00 am - 9:30 am
Regular trading
9:30 am - 4:00 pm
Extended session
4:00 pm - 8:00 pm
Market opening: Nasdaq opens its platform at 9:30 am ET for regular trading, after a pre-market phase starting at 4:00 am.
Close and extension: The regular session ends at 4:00 pm ET, but the market remains accessible for after-hours trading until 8:00 pm, just like the NYSE.
Main Indices and Market Structure
Nasdaq maintains two key benchmark indices. The Nasdaq 100 groups the 100 largest companies in the market, while the Nasdaq Composite represents all listed companies. Both indices undergo annual reviews in October, with potential modifications implemented in December.
Holiday Calendar: 2025 Nasdaq Holidays
Except for Juneteenth (celebrated on NYSE but not mandatory in all markets), Nasdaq observes the same holiday schedule as the New York Stock Exchange:
HOLIDAY
DATE
New Year’s Day
Wednesday, January 1
Martin Luther King Jr.
Monday, January 20
Washington’s Birthday
Monday, February 17
Good Friday
Friday, April 18
Memorial Day
Monday, May 26
Independence Day
Friday, July 4
Labor Day
Monday, September 1
Thanksgiving
Thursday, November 27
Christmas
Thursday, December 25
NYSE American (AMEX): The Market of Emerging Companies
Characteristics of the Small Caps Segment
NYSE American represents the most dynamic link in the U.S. stock ecosystem. Specializing in small-cap companies, it functions as a breeding ground for future blue-chip firms. Small caps operate with significantly higher volatility than their larger-cap counterparts, offering both risks and opportunities for exponential revaluation.
NYSE American Trading Hours
PERIOD
(ET) TIME
Pre-market
7:00 am - 9:30 am
Regular session
9:30 am - 4:00 pm
After-market
4:00 pm - 8:00 pm
Note that the pre-market hours on NYSE American start later than on NYSE and Nasdaq, beginning at 7:00 am ET instead of 4:00 am.
Regular trading window: NYSE American operates between 9:30 am and 4:00 pm ET, synchronized with major U.S. markets.
Extended session: The after-market runs from 4:00 pm to 8:00 pm ET, providing flexibility for retail investors to participate outside standard hours.
Observed Holidays on NYSE American 2025
As a subsidiary of the NYSE, NYSE American closes on the same ten holiday dates as the main calendar:
HOLIDAY
DATE
New Year’s Day
Wednesday, January 1
Martin Luther King Jr.
Monday, January 20
Washington’s Birthday
Monday, February 17
Good Friday
Friday, April 18
Memorial Day
Monday, May 26
Juneteenth
Thursday, June 19
Independence Day
Friday, July 4
Labor Day
Monday, September 1
Thanksgiving
Thursday, November 27
Christmas
Thursday, December 25
Conversion of NYSE American Hours for Major Cities
LOCATION
OPENING
CLOSING
Madrid (ESP)
3:30 pm
10:00 pm
Caracas (VNZ)
8:30 am
3:30 pm
Lima (PER)
8:00 am
3:00 pm
Buenos Aires (ARG)
10:30 am
5:00 pm
Mexico City (MEX)
8:00 am
3:00 pm
Santiago de Chile (CHL)
8:30 am
3:30 pm
Bogotá (COL)
8:00 am
3:00 pm
La Paz (BOL)
8:30 am
3:30 pm
Quito (ECU)
8:00 am
3:00 pm
Montevideo (URG)
8:30 am
3:30 pm
Practical Recommendations for Trading in These Markets
Understanding the schedules of the NYSE, Nasdaq, and NYSE American is essential for planning an effective investment strategy. Traders who leverage pre-market sessions gain informational advantage, while after-market trading allows tactical adjustments. Keep your local calendar synchronized with ET hours to avoid missing crucial opportunities in the main U.S. indices.
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Complete Guide: U.S. Stock Market Trading Hours
Time Zone Converter: NYSE, Nasdaq, and NYSE American in Your Local Time Zone
Before delving into specific details, it is essential to understand how the schedules of the U.S. stock markets translate to your geographic location. The main markets operate on Eastern Time (ET), so we present a quick reference table for the main Spanish-speaking capitals:
NYSE: The Giant of the Global Stock Market
Full Trading Day at the New York Stock Exchange
The New York Stock Exchange represents the epicenter of global securities trading, operating on a well-defined weekly schedule. From Monday to Friday, traders have multiple time windows to execute their strategies:
On Saturdays and Sundays, the market remains closed, allowing for settlement of trades and market analysis.
Daily Trading Windows at the New York Stock Exchange
Pre-trading phase: The NYSE begins activity from 4:00 am ET, allowing institutional investors to start positioning. This early session extends until 9:30 am, when regular trading begins.
Full session hours: The New York Stock Exchange operates at peak activity between 9:30 am and 4:00 pm ET. During these eight and a half hours, 95% of transaction volume and the highest volatility are concentrated.
Extended trading: After the official close at 4:00 pm, the market remains active in after-hours session until 8:00 pm ET, allowing investors to adjust positions or capitalize on last-minute news.
Holiday Calendar: 2025 NYSE Holidays
Nasdaq: Technology and Growth Specialist
Structure of the Second Most Important Market
Formally known as the National Association of Securities Dealers Automated Quotation, Nasdaq operates with a trading schedule almost identical to the NYSE. However, its fundamental nature differs significantly. While NYSE hosts established companies and financial securities, Nasdaq specializes in technology, biotech, and high-growth companies.
Nasdaq Trading Hours
Market opening: Nasdaq opens its platform at 9:30 am ET for regular trading, after a pre-market phase starting at 4:00 am.
Close and extension: The regular session ends at 4:00 pm ET, but the market remains accessible for after-hours trading until 8:00 pm, just like the NYSE.
Main Indices and Market Structure
Nasdaq maintains two key benchmark indices. The Nasdaq 100 groups the 100 largest companies in the market, while the Nasdaq Composite represents all listed companies. Both indices undergo annual reviews in October, with potential modifications implemented in December.
Holiday Calendar: 2025 Nasdaq Holidays
Except for Juneteenth (celebrated on NYSE but not mandatory in all markets), Nasdaq observes the same holiday schedule as the New York Stock Exchange:
NYSE American (AMEX): The Market of Emerging Companies
Characteristics of the Small Caps Segment
NYSE American represents the most dynamic link in the U.S. stock ecosystem. Specializing in small-cap companies, it functions as a breeding ground for future blue-chip firms. Small caps operate with significantly higher volatility than their larger-cap counterparts, offering both risks and opportunities for exponential revaluation.
NYSE American Trading Hours
Note that the pre-market hours on NYSE American start later than on NYSE and Nasdaq, beginning at 7:00 am ET instead of 4:00 am.
Regular trading window: NYSE American operates between 9:30 am and 4:00 pm ET, synchronized with major U.S. markets.
Extended session: The after-market runs from 4:00 pm to 8:00 pm ET, providing flexibility for retail investors to participate outside standard hours.
Observed Holidays on NYSE American 2025
As a subsidiary of the NYSE, NYSE American closes on the same ten holiday dates as the main calendar:
Conversion of NYSE American Hours for Major Cities
Practical Recommendations for Trading in These Markets
Understanding the schedules of the NYSE, Nasdaq, and NYSE American is essential for planning an effective investment strategy. Traders who leverage pre-market sessions gain informational advantage, while after-market trading allows tactical adjustments. Keep your local calendar synchronized with ET hours to avoid missing crucial opportunities in the main U.S. indices.