What Time Does the Forex Market Open: A Guide to Optimal Trading Hours for Vietnamese Investors

2025-12-26 11:05:50

Many new Forex traders often ask: when is the right time to enter the market? Although the foreign exchange market operates 24 hours a day, this does not mean you can trade at any time and expect good profits. In reality, there are highly active market hours with many opportunities, and there are quiet periods that make trading more difficult. This article will help you identify the exact golden times to trade forex most effectively.

The Four Main Trading Sessions Worldwide

The forex market is divided into four main trading sessions corresponding to four major regions:

Sydney Session (Australia) - Opens from 22:00 UTC the previous day to 7:00 UTC
Tokyo Session (Asia) - Opens from 0:00 UTC to 9:00 UTC
London Session (Europe) - Opens from 8:00 UTC to 17:00 UTC
New York Session (America) - Opens from 13:00 UTC to 22:00 UTC

Although there are four sessions, most professional traders focus on three peak trading sessions: Tokyo, London, and New York. This is known as the “3 Forex Trading Sessions System” — a popular strategy that helps traders optimize opportunities and better manage risks.

Forex Market Opening Hours by Vietnam Time

For the convenience of Vietnamese traders, here is the detailed opening and closing schedule according to Vietnam time (GMT+7):

Summer (around March-October):

Sydney Session: 5:00 - 14:00 Vietnam time
Tokyo Session: 6:00 - 15:00 Vietnam time
London Session: 14:00 - 23:00 Vietnam time
New York Session: 19:00 - 4:00 the next morning (Vietnam time)

Winter (around October-March):

Sydney Session: 4:00 - 13:00 Vietnam time
Tokyo Session: 6:00 - 15:00 Vietnam time
London Session: 15:00 - 0:00 Vietnam time
New York Session: 20:00 - 5:00 the next morning (Vietnam time)

Note that actual trading hours typically start around 7-9 AM local time when major exchanges officially open.

Daylight Saving Time Affects Trading Hours

In March/April and October/November each year, countries like the United States, the United Kingdom, and Australia switch to or from daylight saving time (DST). This causes changes in forex trading hours, so traders need to update their trading schedules during these periods.

When Are the Best Opportunities During Overlapping Sessions?

Between trading sessions, there are periods when two markets are open simultaneously. These are the times with the highest liquidity and the best trading opportunities.

(London and New York Overlap )19:00 - 23:00 Vietnam time###

This is the golden time for Forex traders. When London and New York are both active, currency pairs involving USD and EUR — the two strongest currencies in the world — are traded most actively. The huge trading volume creates significant price volatility, increasing profit opportunities. This is an ideal choice for most traders in Vietnam because this time fits well with daily work and life schedules.

(Sydney and Tokyo Overlap )6:00 AM - 13:00 PM Vietnam time###

Although it does not generate as much trading momentum as the London/New York session, this period still offers many opportunities. Currency pairs involving the Japanese Yen (JPY) such as EUR/JPY and GBP/JPY often experience high volatility during this time, providing good conditions for morning traders.

(Tokyo and London Overlap )13:00 - 14:00 Vietnam time###

This period lasts only 1 hour, marking the end of the Asian session and the start of the European session. Trading activity during this time is relatively limited, but EUR/JPY and GBP/JPY remain the most notable currency pairs with significant movements.

The Best Days of the Week to Trade Forex

Besides choosing the right time, the day of the week also significantly affects your trading opportunities.

Monday: The market is usually quiet on the first day of the week, especially when there is no important economic news. The average pip movement is only about 50% of mid-week days. This means profit opportunities are limited.

Tuesday, Wednesday, Thursday: These are the most active trading days of the week. Economic news is frequently released, causing large price fluctuations and excellent trading opportunities for traders.

Friday: In the first half of Friday, the market still has good activity. However, in the second half, most traders close their positions to prepare for the weekend and avoid risks if unfavorable news occurs after trading hours.

Conclusion: Optimal Timing Strategy for Vietnamese Traders

To trade forex effectively, you should focus on the period from 19:00 to 23:00 Vietnam time when the London and New York sessions overlap. This time provides high liquidity, large price movements, and the best profit opportunities. Combining this with trading on Tuesdays, Wednesdays, and Thursdays when the market is most active will give you ideal conditions to develop your trading skills and maximize profits.

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