What Are Forex Market Hours?
The foreign exchange market is the largest and most liquid financial market in the world, with a daily trading volume exceeding $7.5 trillion according to the Bank for International Settlements (BIS) 2022 Triennial Survey. Unlike stock exchanges that operate during fixed business hours, the forex market runs 24 hours a day, five days a week — from Sunday evening (22:00 UTC) to Friday evening (22:00 UTC). This around-the-clock availability is possible because forex is a decentralized over-the-counter (OTC) market. There is no single central exchange. Instead, trading flows continuously as major financial centers around the world open and close in sequence — from Sydney to Tokyo, then to London, and finally to New York. As one center closes, another is already open, creating a seamless global trading cycle. Understanding when each session is active is critical for traders because liquidity, volatility, and spread conditions vary significantly throughout the 24-hour cycle. Trading during high-liquidity periods typically means tighter spreads and faster execution, while low-liquidity hours can see wider spreads and less predictable price action.
The Four Major Trading Sessions
The forex market is divided into four major trading sessions, each centered on a key financial hub. While trading never stops during the business week, the character of the market changes dramatically depending on which session is active.
Sydney Session (22:00 – 07:00 UTC)
The Sydney session kicks off the trading week. It is the smallest session by volume, accounting for roughly 5% of daily global turnover with approximately $375 billion traded per day. Volatility is relatively low, making it suitable for range-trading strategies. The most active pairs during this session include AUD/USD, NZD/USD, and AUD/NZD. Economic data releases from Australia and New Zealand can create short bursts of volatility, but overall the session is quieter than its counterparts.
Tokyo Session (00:00 – 09:00 UTC)
The Tokyo session, also known as the Asian session, is the second-largest by volume, handling about 16% of daily turnover ($1.2 trillion per day). The Japanese yen dominates activity, making USD/JPY, EUR/JPY, and GBP/JPY the most traded pairs. The session often sets the tone for the day — significant moves during Tokyo can carry through to London. Bank of Japan policy decisions and Japanese economic indicators (Tankan survey, GDP, CPI) frequently trigger sharp moves in yen crosses.
London Session (08:00 – 17:00 UTC)
London is the undisputed capital of forex trading, commanding 38% of global daily volume — approximately $2.85 trillion per day. The session's dominance stems from London's geographic position bridging Asian and American time zones, plus its deep pool of institutional participants. Nearly every major currency pair sees peak liquidity during London hours. EUR/USD, GBP/USD, EUR/GBP, and USD/CHF are particularly active. Most of the day's significant price moves originate during this session, and economic releases from the UK and Eurozone add to volatility.
New York Session (13:00 – 22:00 UTC)
The New York session handles about 19% of global turnover ($1.425 trillion per day) and is heavily influenced by US economic data releases, Federal Reserve communications, and equity market flows. EUR/USD and USD/JPY are the most active pairs. The session overlaps with London for four hours (13:00–17:00 UTC), creating the most liquid and volatile window in the entire 24-hour cycle. After London closes, New York liquidity gradually thins as the session enters its final hours.
Session Overlaps — When Liquidity Peaks
The most significant trading opportunities occur during session overlaps, when two major financial centers are simultaneously active. These windows concentrate liquidity and drive the majority of daily price movement. The Tokyo–London overlap (08:00–09:00 UTC) is a brief but active hour as Asian traders close positions and European traders enter the market. It accounts for roughly 12% of daily volume and offers a noticeable uptick in volatility from the calmer Asian session. The London��New York overlap (13:00–17:00 UTC) is the single most important window in forex trading. With both the world's largest (London) and third-largest (New York) financial centers active simultaneously, this four-hour period generates over 50% of daily volume. Spreads are at their tightest, execution is fastest, and the most significant daily price moves typically occur here. Major US economic releases (Non-Farm Payrolls, CPI, FOMC decisions) are scheduled during this window, amplifying volatility further.
How Daylight Saving Time Affects Trading
Daylight Saving Time (DST) shifts can temporarily alter the overlap between sessions. The US, Europe, and Australia each change their clocks on different dates, creating transition periods where session timings shift relative to UTC. When the US enters DST (second Sunday of March), the New York session effectively shifts one hour earlier in UTC terms. Europe follows on the last Sunday of March, and Australia operates on the opposite schedule (first Sunday of October for DST start, first Sunday of April for DST end). During the weeks when only one region has switched, the overlap windows temporarily expand or contract by one hour. Traders should be especially aware during these transition weeks: the London–New York overlap may shift, economic release schedules change relative to your local time, and liquidity patterns may briefly deviate from normal. Always verify session times against UTC during March–April and October–November.
Best Currency Pairs by Session
Each session has currency pairs that are naturally more active due to the economic activity of the region: Sydney Session: AUD/USD, NZD/USD, AUD/JPY, and AUD/NZD dominate. These pairs see their highest liquidity and tightest spreads during Australian business hours. Tokyo Session: JPY crosses are king — USD/JPY, EUR/JPY, AUD/JPY, and GBP/JPY see the most activity. Yen pairs often react strongly to Bank of Japan communications and Japanese data. London Session: EUR/USD, GBP/USD, EUR/GBP, and USD/CHF are the primary movers. European majors reach peak liquidity, and cross-pairs like EUR/CHF and GBP/CHF also see strong volumes. New York Session: EUR/USD, USD/JPY, GBP/USD, and USD/CAD are most active. USD pairs dominate as American institutional flows combine with remaining London liquidity. Trading pairs during their most active session means tighter spreads, better fills, and more reliable technical signals. Avoid trading regional pairs during off-hours — for example, trading AUD/NZD during the New York session often means wider spreads and erratic price action.
Tips for Trading Different Sessions
Sydney/Tokyo: These sessions favor range-bound strategies. Markets often consolidate during Asian hours, making support/resistance levels and mean-reversion setups particularly effective. Breakout traders should be cautious — many Asian-session breakouts turn out to be false. London Open (08:00–10:00 UTC): The London open is one of the most dynamic moments in the trading day. Institutional orders accumulated overnight flood the market, often causing sharp directional moves. Breakout strategies work well here, especially when combined with key technical levels. London–New York Overlap (13:00–17:00 UTC): This is the prime window for trend-following strategies. With maximum liquidity and the highest probability of sustained directional moves, this is when most professional day traders are most active. Late New York (20:00–22:00 UTC): Liquidity thins considerably. Avoid opening new positions during these hours unless you have a specific catalyst. Spreads widen, and price action becomes less reliable. Friday Afternoon: Many traders close positions before the weekend to avoid gap risk. This can create counter-trend moves in the last few hours of the trading week.
Forex Holiday Calendar
While forex technically trades 24/5, liquidity drops dramatically during major holidays. The key dates to watch: Christmas & New Year (Dec 24 – Jan 2): The quietest period of the year. Many institutional desks are closed, liquidity is extremely thin, and spreads can be several times wider than normal. Most professional traders avoid this period entirely. US Bank Holidays: Martin Luther King Day, Presidents' Day, Memorial Day, Independence Day, Labor Day, Thanksgiving, and Christmas. New York session volume drops significantly, reducing overall market liquidity. UK Bank Holidays: Early May, Spring, and Summer bank holidays reduce London session liquidity. Japanese Holidays: Golden Week (late April – early May) and Obon (mid-August) thin Tokyo session volume and can lead to erratic JPY moves. Chinese New Year: Reduces overall Asian session liquidity for approximately two weeks. During holiday periods, expect wider spreads, lower volume, and potential for sharp moves on thin liquidity. Reduce position sizes or consider staying flat during major holidays.