Global Stock Market Opening in 2025: Complete Schedule Guide

Understanding when global stock exchanges open is essential for those operating in different financial markets. The opening hours of the exchange, as well as its closing times and overlapping periods, directly influence trading volume, liquidity, and asset volatility.

In an increasingly interconnected market context, monitoring the schedules of major global exchanges allows for the identification of strategic trading opportunities. In this guide, we present a detailed mapping of stock exchange openings in the world’s main financial centers in 2025, with conversion to Brasília time.

Major Trading Centers: Stock Exchange Opening in 2025

NYSE and NASDAQ - United States (New York)

Local Time (EST): 9:30 – 16:00
Brasília Time (without daylight saving): 10:30 – 17:00

The American stock exchange operates on Eastern Standard Time. The daylight saving period (from March 10 to November 2, 2025) does not significantly alter the stock exchange opening hours when converted to Brasília time.

LSE - United Kingdom (London)

Local Time (GMT): 8:00 – 16:30
Brasília Time (without daylight saving): 5:00 – 13:30

Euronext - Europe (Paris/Amsterdam)

Local Time (CET): 9:00 – 17:30
Brasília Time (without daylight saving): 5:00 – 13:30

Shanghai and Shenzhen Stock Exchanges - China

Local Time (CST): 9:30 – 15:00
Brasília Time (previous day): 22:30 – 4:00

TSE - Japan (Tokyo)

Local Time (JST): 9:00 – 15:00
Brasília Time (previous day): 21:00 – 3:00

B3 - Brazil (São Paulo)

Local Time (BRT): 10:00 – 17:55

The opening of the Brazilian stock exchange (B3) remains aligned with major markets, with specific sessions for different asset types.

NSE and BSE - India (Mumbai)

Local Time (IST): 9:15 – 15:30
Brasília Time: 1:45 – 8:00

Tadawul - Saudi Arabia (Riyadh)

Local Time (AST): 10:00 – 15:00
Brasília Time: 4:00 – 9:00

Johannesburg Stock Exchange - South Africa

Local Time (UTC+2): 9:00 – 17:00
Brasília Time: 4:00 – 12:00

Changes in 2025 Schedules

The stock exchange opening hours have been adjusted in some emerging markets:

• India: Abolished daylight saving in 2024, maintaining IST (UTC+5:30) constant throughout the year
• Saudi Arabia: Adopted UTC+3 permanently, aligning with Gulf markets
• African Markets: Johannesburg Stock Exchange expanded its relevance as a gateway for investments on the continent
• Brazil (B3): Minor adjustments to post-market hours for synchronization with international trading

Extended Sessions and Pre-Market Trading

The US stock exchange opening also includes extended sessions:

• Pre-Market NYSE: 4:00 – 9:30 (EST), equivalent to 6:00 – 11:30 (BRT)
• After-Hours B3: Operations extended until 19:00, facilitating interactions with Asian markets

Overlapping Trading Periods

Times when multiple stock exchanges operate simultaneously are characterized by higher liquidity:

• USA + Europe: 10:30 – 13:30 (BRT) – Peak joint activity
• Asia + Europe: 21:00 – 3:00 (BRT) – Significant intermediate period
• Brazil + USA: 10:30 – 17:00 (BRT) – Highest flow of operations on B3

Complete Operating Hours of B3 in 2025

The opening hours of the Brazilian stock exchange follow a specific schedule by segment:

Starting March 10, 2025:

• Spot and Fractional Market: 10:00 – 16:55
• Futures Market: 10:00 – 17:25
• Options Market: 10:00 – 16:55
• Ibovespa Futures and Mini-Index Contracts: 9:00 – 18:25
• Dollar Futures and Mini-Exchange Contracts: 9:00 – 18:30

Holidays Note: No trading occurs on dates such as January 1st, Carnival (March 4), and Christmas. The opening hours may change in special circumstances or calendar adjustments.

Why Is Knowing the Stock Exchange Opening Hours Crucial?

The opening hours of the stock exchange directly impact operational decisions and investment strategies. In the initial moments after opening, typical volatility reflects the market’s adjustment to information accumulated since the previous close.

For international investors, understanding when each exchange opens allows to:

• Identify arbitrage windows between markets
• Optimize order execution in high-liquidity contexts
• Plan strategies that leverage overlapping hours
• Synchronize operations across multiple time zones

This temporal coordination becomes a competitive advantage, especially for short-term operations relying on quick market movements during peak trading periods.

Regularly monitor official exchange calendars to confirm seasonal adjustments or extraordinary changes in operating hours.