What Are Trading Sessions and Market Hours
in Forex?

Forex is a global market where currencies are exchanged across different regions and time zones.

Unlike some markets that open and close at one local exchange, forex activity moves around the world during the business week. When one major region becomes less active, another region may become more active.

This is why forex is often described as a 24-hour market during weekdays. However, this does not mean that every currency pair has the same level of activity at all times.

Market hours, trading sessions, holidays, liquidity and platform rules can all affect how a currency pair behaves.

This article explains forex trading sessions and market hours in simple English. It is for educational purposes only. It is not personal financial advice or a recommendation to trade.

What Are Forex Market Hours?

Forex market hours are the times when forex trading is generally available.

The forex market is commonly open during the business week and closed during most of the weekend. In many platforms, forex trading starts around Sunday evening and continues until Friday evening, based on the platform’s server time and market access.

Exact opening and closing times can vary between providers.

They can also change because of daylight-saving time, public holidays, product schedules or platform maintenance.

This is why beginners should always check the trading hours shown on their own platform. The platform’s product specification is more important than a general market-hours article.

What Is a Trading Session?

A trading session is a period of the day when a major financial region is active.

Forex trading is often explained through four main sessions:

These names are used because they represent major regions where currency trading activity takes place during different parts of the day.

The sessions do not work like separate closed rooms. They are part of one global market. The session names simply help traders understand when different regions are active.

Why Forex Can Trade Across Different Time Zones?

Forex involves currencies from many countries.

When the business day ends in one region, the next region may already be active or preparing to open.

For example, activity may begin in the Asia-Pacific region, then move toward Europe, and later move toward North America.

Because of this global structure, forex does not depend on only one exchange building or one local opening time.

This is different from many share markets, where trading is often linked to the official opening hours of a specific stock exchange.

Even though forex can be available for long hours, market activity is not always the same throughout the day.

The Sydney Session

The Sydney session is often seen as the start of the forex trading week.

It is linked to activity in Australia and the wider Asia-Pacific region.

During this time, currency pairs connected to the Australian dollar or New Zealand dollar may receive more attention, depending on market conditions and news.

However, this does not mean those currencies will always move strongly during this session.

Activity levels can vary. Public holidays, economic announcements and wider market conditions can all affect price movement.

Beginners should use session information only as general context, not as a prediction.

The Tokyo Session

The Tokyo session is often called part of the Asian session.

It is linked to activity in Japan and other parts of Asia.

During this period, currency pairs involving the Japanese yen may receive more attention.

Examples include USD/JPY, EUR/JPY and GBP/JPY.

Other Asian-region currencies and market information may also affect trading activity during this time.

The Tokyo session may sometimes have quieter movement than the London or New York sessions, but this is not fixed. Important news or unexpected events can change market behaviour quickly.

The London Session

The London session is one of the most closely watched forex sessions.

London is a major global financial centre, and many currency pairs may become more active during European market hours.

Pairs involving the euro, British pound and Swiss franc may receive more attention during this session.

Examples include EUR/USD, GBP/USD, EUR/GBP and USD/CHF.

The London session can also overlap with other sessions. This can affect liquidity, spreads and price movement.

However, higher activity does not mean lower risk. Fast movement can also increase execution risk, especially around major announcements.

The New York Session

The New York session is linked to North American market activity.

The US dollar is involved in many major forex pairs, so this session is important for many traders to understand.

Examples of USD-related pairs include EUR/USD, GBP/USD, USD/JPY, USD/CAD, AUD/USD and USD/CHF.

During the New York session, US economic data, central-bank communication, bond-market movement and wider financial news may affect currency prices.

Again, this does not mean price direction can be known in advance. It only means the session can be important for understanding when certain market information may be released.

What Is a Session Overlap?

A session overlap happens when two major trading sessions are active at the same time.

For example, the London and New York sessions overlap for part of the trading day.

During overlaps, more market participants may be active. This can sometimes lead to higher liquidity and more price movement.

However, overlaps can also include fast price changes, wider spreads during news events and execution differences.

Beginners should not think of overlaps as “better” or “safer” times. They are simply periods when more than one major region may be active.

Why Market Hours Affect Liquidity?

Liquidity means how easily a market can be bought or sold at available prices.

When more participants are active, liquidity may be higher. When fewer participants are active, liquidity may be lower.

Market hours can affect liquidity because different regions are active at different times.

For example, a currency pair may be more active when the countries connected to that pair are in their business day.

EUR/USD may receive more attention during European and US hours. AUD/USD may receive attention during Asia-Pacific hours and US hours.

These are general observations only. Liquidity can change for many reasons.

Why Market Hours Affect Spreads?

The spread is the difference between the buy price and the sell price.

Spreads can change during the trading day.

When liquidity is higher, spreads may sometimes be narrower. When liquidity is lower, spreads may become wider.

Spreads can also widen around important news, market opening periods, market closing periods, public holidays or unusual market conditions.

This is why beginners should check the live spread on the platform before placing or closing any order.

The spread shown in the order window is more important than a general idea about normal session behaviour.

News Releases and Market Hours

Economic news can affect forex prices.

Examples include inflation data, employment reports, interest-rate decisions, central-bank statements and gross domestic product data.

These releases are usually scheduled according to the local time of the country or region publishing the data.

For example, US economic data often affects USD pairs. UK data may affect GBP pairs. Eurozone data may affect EUR pairs. Japanese data may affect JPY pairs.

Prices can move quickly around important releases. Spreads may widen, and execution may be affected.

Beginners should check the economic calendar and understand upcoming events before using any forex product.

Weekends and Market Gaps

Forex trading is generally closed during most of the weekend.

When the market reopens, the opening price may be different from the previous closing price.

This difference is often called a gap.

Gaps can happen because news or events may occur while the market is closed.

A stop-loss or pending order may be affected if the market reopens beyond the selected price level. The final execution price may differ from the selected level, depending on market conditions and platform rules.

This is why weekend exposure should be understood carefully.

Holidays and Special Market Hours

Forex market hours can change during public holidays.

Some currency pairs may remain available, but liquidity may be lower if major financial centres are closed.

For example, activity may be different during Christmas, New Year, national holidays or bank holidays.

Providers may also publish special trading schedules during holiday periods.

Beginners should not assume normal hours always apply. The platform’s holiday schedule should be checked before opening or holding positions during holiday periods.

Platform Server Time

Many trading platforms show time based on server time.

Server time may not match the user’s local time.

For example, a user in Dubai may see platform candles or daily rollover times based on a different server timezone.

This matters when reading charts, checking swap or rollover times, reviewing trading history or following economic events.

Before using session times, beginners should check what timezone their platform uses.

This helps avoid confusion when comparing market hours, chart candles and news calendars.