Knowing when the forex market opens is fundamental to any trader's success. Unlike stock exchanges with fixed hours, the forex market operates 24 hours a day, five days a week, across multiple global sessions. This guide explains the forex market schedule, the characteristics of each session, how to plan your trading around them, and the risks you need to manage. Whether you are a beginner or an experienced trader, understanding session times helps you optimize your strategy and avoid costly mistakes.
The foreign exchange market operates 24 hours a day, five days a week, from Sunday at 5:00 PM Eastern Time (ET) until Friday at 5:00 PM ET. This continuous operation is made possible by the global network of financial centers that open and close in succession across different time zones. As one major market closes, another opens, allowing trading to continue around the clock.
According to the Bank for International Settlements (BIS) 2025 Triennial Central Bank Survey, the OTC foreign exchange market recorded a daily turnover of $9.6 trillion. This staggering volume is distributed across the major trading centers: London, New York, Tokyo, and Sydney. The survey, which aggregates data from over 1,100 banks and dealers in 52 jurisdictions, is the authoritative reference for understanding the size and structure of global FX markets.
While the forex market is technically "open" 24 hours a day, not all hours are equal. Liquidity, volatility, and trading costs vary significantly depending on which session is active. Successful traders learn to align their strategies with the sessions that best suit their trading style.
The global forex market is driven by four primary financial centers. Each session has unique characteristics in terms of currency pairs traded, volatility, and typical price behavior.
The Sydney session opens on Sunday at 5:00 PM ET, marking the official start of the trading week. While it is the least volatile of the four sessions, it sets the tone for the week ahead. The Australian dollar (AUD), New Zealand dollar (NZD), and currencies linked to the commodity cycle are most active during this time. The session overlaps with Tokyo from 7:00 PM to 2:00 AM ET.
The Tokyo session (also referred to as the Asian session) is the second major trading center. It is characterized by lower volatility compared to London or New York, but it is the primary session for the Japanese yen (JPY). Key economic data from Japan, China, and Australia are released during this time, often triggering sharp moves in USD/JPY, EUR/JPY, and AUD/JPY.
The London session is widely considered the most important trading session. It accounts for over 35% of global forex volume, according to BIS data. It opens at 3:00 AM ET and overlaps with the Tokyo session until 4:00 AM ET, and with the New York session from 8:00 AM to 12:00 PM ET. The London session is known for its high volatility, tight spreads, and strong trends. Major currency pairs like EUR/USD, GBP/USD, and USD/CHF see the majority of their daily movement during this period.
The New York session is the second-largest trading center, contributing roughly 16% of global volume. It opens at 8:00 AM ET and overlaps with London until noon. The first few hours of the New York session are often the most active of the entire day, as economic data from the United States—such as GDP, inflation, and employment reports—are released. The USD is the primary focus, and liquidity is abundant during the overlap.
| Session | Open (ET) | Close (ET) | Key Currency Pairs | Volatility | Liquidity |
|---|---|---|---|---|---|
| Sydney | 5:00 PM | 2:00 AM | AUD/USD, NZD/USD | Low | Moderate |
| Tokyo | 7:00 PM | 4:00 AM | USD/JPY, EUR/JPY | Moderate | Moderate |
| London | 3:00 AM | 12:00 PM | EUR/USD, GBP/USD, USD/CHF | High | Very High |
| New York | 8:00 AM | 5:00 PM | USD/JPY, USD/CAD, EUR/USD | High | High |
The most dynamic periods in the forex market occur when two major sessions overlap. During these times, trading volume spikes, liquidity increases, and spreads often tighten. There are two primary overlap periods:
This brief overlap occurs for just one hour. While short, it can see increased activity in JPY pairs and a transition from Asian to European sentiment. It is often a good time to observe early momentum before the London session fully kicks off.
This four-hour overlap is the most active trading window of the day. It accounts for the majority of daily volume and often produces the clearest trends and strongest breakouts. Major economic releases from the US (e.g., Non-Farm Payrolls, CPI, FOMC announcements) are typically scheduled during this period, leading to significant price swings.
📋 Example Scenario:
You are a day trader who focuses on EUR/USD. You notice that the pair has been consolidating in a narrow range during the Asian session. At 8:00 AM ET, the London and New York sessions overlap, and US retail sales data is released. The news beats expectations, triggering a breakout above resistance. You enter a long position with a stop-loss just below the breakout level and ride the trend through the overlap, closing your position before 12:00 PM ET when volatility begins to subside.
This scenario highlights how session overlaps—combined with scheduled news—can offer high-probability trading opportunities.
The Federal Reserve regularly publishes data on exchange rates and market conditions, and its research often references the behavior of currencies during peak trading hours. Traders should monitor central bank announcements and economic calendars to align their trades with the highest-impact windows.
Different sessions favor different trading approaches. Adapting your strategy to the session's characteristics can improve your chances of success.
During the quieter Asian sessions, price often moves within a range. Range-bound strategies— such as selling at resistance and buying at support—can be effective. However, be cautious of news-driven spikes. Keep positions small and use wider stops if necessary.
The London session is ideal for trend-following and breakout strategies. The high volume and liquidity make it easier to enter and exit positions at favorable prices. Many traders focus on major pairs like EUR/USD and GBP/USD during this session.
The New York session is heavily influenced by US economic data. News traders watch the economic calendar closely and trade around high-impact releases. This approach requires quick reflexes and careful risk management due to the potential for sharp, unpredictable moves.
During the London-New York overlap, scalpers and momentum traders thrive. The tight spreads and high liquidity allow for quick entries and exits. This period is also popular for trading cross-currency pairs like EUR/GBP and GBP/JPY.
A clear plan is essential for navigating the 24-hour forex market. Here is a practical checklist to help you organize your trading week around the session schedule.
The National Futures Association (NFA) advises traders to "trade with risk capital only"—money you can afford to lose—and to thoroughly understand how leverage and margin work in different market conditions. The NFA also reminds traders that the forex market is decentralized and that prices can vary between brokers, making it essential to choose a reliable broker.
Several myths persist about forex market hours. Clearing these up will help you trade more intelligently.
Trading foreign exchange (forex) on margin carries a high level of risk and may not be suitable for all investors. While understanding market hours can help you optimize your trading, it does not eliminate the inherent risks of forex trading. The high degree of leverage can work against you as well as for you, and you can lose more than your initial deposit.
The CFTC has warned that "two out of three retail foreign exchange traders lose money each quarter." The National Futures Association (NFA) emphasizes that retail forex trading involves significant risk and that you should never trade with money you cannot afford to lose.
Market conditions, including liquidity and volatility, change throughout the week and across sessions. Trading during low-liquidity periods can exacerbate risk due to wider spreads and potential slippage. Always use stop-loss orders and never risk more than 1–2% of your trading account on a single trade.
This guide is for educational purposes only and does not constitute financial, legal, or tax advice. Always verify current rules, fees, spreads, rates, broker availability, and platform terms with the relevant authority or provider before making any trading decision.
The forex market opens at 5:00 PM Eastern Time (ET) on Sunday, which corresponds to 10:00 PM GMT, with the start of the Sydney session. This marks the beginning of the trading week.
Yes, the forex market closes for the weekend at 5:00 PM ET on Friday (10:00 PM GMT). Trading resumes on Sunday at 5:00 PM ET, making the market open 24 hours a day, five days a week.
The London session (3:00 AM – 12:00 PM ET) is generally considered the most volatile due to the high volume of trading activity and the overlap with the Asian and New York sessions. The London-New York overlap is particularly active.
The four major trading sessions are: Sydney (5:00 PM – 2:00 AM ET), Tokyo (7:00 PM – 4:00 AM ET), London (3:00 AM – 12:00 PM ET), and New York (8:00 AM – 5:00 PM ET). These sessions overlap at certain times, creating periods of heightened activity.
Many beginners prefer the London-New York overlap (8:00 AM – 12:00 PM ET) because it offers high liquidity and tighter spreads, making it easier to enter and exit trades. However, beginners should always use demo accounts to practice before trading with real money.
Spreads tend to be tighter during high-volume overlap periods (London-New York) because of greater liquidity. During off-hours or low-volume sessions, spreads can widen significantly, especially for exotic currency pairs.
Yes, the forex market operates 24 hours a day from Sunday 5:00 PM ET to Friday 5:00 PM ET. However, liquidity and volatility vary by session, and not all hours are equally suitable for trading depending on your strategy.
The forex market opens on Sunday evening (ET) because it follows the global time zones. The trading day begins in Wellington, New Zealand, and Sydney, Australia, as the new trading week starts in those regions, before rolling westward through Asia, Europe, and the Americas.