Asian Session Forex Time in South Africa: Best Hours and What to Trade
BY TIOmarkets
|March 31, 2026The Asian trading session covers the Sydney and Tokyo market hours and is the first major window to open each trading week. For forex traders in South Africa, the Asian session runs overnight and into the early morning, which shapes how and when it can realistically be used.
Understanding the exact session times in South Africa Standard Time, which pairs are most active during these hours, and how spread and liquidity conditions differ from the European and North American sessions helps traders decide whether the Asian session fits their schedule and strategy.
What Is the Asian Forex Session?
The Asian forex session is broadly defined as the period when major financial centres in the Asia-Pacific region are open and active. It is made up of two distinct but overlapping sessions: the Sydney session, which opens first each week, and the Tokyo session, which is the dominant driver of liquidity during Asian hours.
Tokyo is the third-largest forex trading centre in the world and is the primary hub for activity during Asian market hours. The Tokyo session brings Japanese yen pairs into focus and is when a significant proportion of daily yen liquidity is generated. Sydney opens before Tokyo and contributes to activity in Australian dollar and New Zealand dollar pairs. When both centres are open simultaneously, the combined liquidity is at its highest point during the Asian trading day.
The Asian session is followed by the London session, which opens while Tokyo is still active for a brief period before Tokyo closes. This transition between Asian and European hours is a distinct shift in market character, often marked by a change in which pairs are most active and a change in spread conditions.
Asian Session Times in South Africa Standard Time
South Africa Standard Time is UTC+2 year-round. South Africa does not observe daylight saving time, so the SAST offset never changes. The session times that do shift seasonally are those of markets that adjust their own clocks, specifically Sydney, which observes daylight saving time during the southern hemisphere summer.
The Tokyo session runs from 01:00 to 10:00 SAST year-round. Japan does not observe daylight saving time, so this window is fixed regardless of the time of year. Tokyo session hours in SAST will always be 01:00 to 10:00.
The Sydney session times vary with the Australian season. During the southern hemisphere summer, when Australia observes Australian Eastern Daylight Time (AEDT, UTC+11), the Sydney session opens at 01:00 SAST and closes at 10:00 SAST. During the southern hemisphere winter, when Australia observes Australian Eastern Standard Time (AEST, UTC+10), the Sydney session opens at 00:00 SAST and closes at 09:00 SAST.
The overlap between Sydney and Tokyo therefore runs from approximately 01:00 to 09:00 or 01:00 to 10:00 SAST depending on the Australian season. This is the most active window within the Asian session, when both markets are simultaneously contributing liquidity.
The Asian session transitions into the European session when London opens. In summer, when the UK observes British Summer Time (BST, UTC+1), London opens at 09:00 SAST. In winter, when the UK is on Greenwich Mean Time (GMT, UTC+0), London opens at 10:00 SAST. This means Tokyo and London overlap briefly for approximately one hour around the London open, creating a short window where Asian and European liquidity meet.
These are approximate times based on standard session open and close conventions. Individual instrument trading hours vary. Always confirm the hours for the specific instrument you intend to trade inside the MT4 or MT5 platform.
What Currency Pairs Are Most Active During the Asian Session?
The Asian session is most active for pairs involving currencies from the Asia-Pacific region. Japanese yen pairs see the highest concentration of institutional activity during Tokyo hours. These include USDJPY, EURJPY, GBPJPY, AUDJPY, CADJPY, NZDJPY, and CHFJPY. Price ranges on yen pairs during the Tokyo session can be meaningful, particularly around Japanese economic data releases such as Bank of Japan policy decisions, Japanese CPI, and trade balance figures.
Australian dollar and New Zealand dollar pairs are also most relevant during Asian session hours, particularly during the Sydney session and the Sydney-Tokyo overlap. AUDUSD, NZDUSD, AUDNZD, AUDCAD, AUDJPY, and NZDJPY all tend to see more focused activity during this window compared to the quieter period just before Sydney opens. Australian and New Zealand economic data releases, including Reserve Bank of Australia and Reserve Bank of New Zealand decisions and domestic economic indicators, are scheduled during these hours.
In contrast, major European pairs such as EURUSD and GBPUSD tend to trade in narrower ranges during the Asian session and are less liquid than during the London session. These pairs are still tradeable, but price action is generally more subdued and can be characterised by ranging or consolidation rather than the directional moves more commonly seen during European hours.
USDZAR, which is available to trade at TIOmarkets, can see periods of activity during the Asian session when broader emerging market sentiment is driving risk flows, but its primary drivers and highest liquidity windows tend to align with London and New York hours.
How Does the Asian Session Differ from the London and New York Sessions?
Overall trading volume during the Asian session is lower than during the London session or the London and New York overlap. This has practical implications for traders.
Spreads on major pairs are variable and fluctuate with market conditions. During periods of lower liquidity, such as the Asian session for European pairs, spreads on those instruments tend to be wider than during the London session peak. During the Tokyo session, spreads on yen pairs and Asian currency pairs are typically tighter than at other times, reflecting the concentration of liquidity in those instruments. Spreads are always variable and will typically be higher than the minimum figures shown on the TIOmarkets website.
Price ranges during the Asian session tend to be narrower on European and North American pairs. For traders using range-based strategies or looking to capture short-term moves on EURUSD or GBPUSD, the Asian session may offer less opportunity than London hours. For traders focused specifically on yen pairs, AUD pairs, or NZD pairs, or those running automated strategies on the desktop version of MT4 or MT5, the Asian session can be a productive window.
The transition from the Asian session to the London open is often one of the more significant moments in the trading day. When London opens, liquidity increases sharply, spreads on European pairs typically tighten, and new institutional order flow enters the market. This transition can produce breakout conditions or sharp directional moves, particularly when there has been a period of range-bound trading during the preceding Asian hours.
The Asian Session and South African Trading Schedules
For most retail traders in South Africa, the Asian session runs at inconvenient hours. The Tokyo session from 01:00 to 10:00 SAST and the Sydney session from 00:00 or 01:00 SAST mean that active manual trading during these hours requires staying up through the night or waking before dawn. This is a practical constraint that differs significantly from the London session, which aligns well with a standard South African working day.
There are a few scenarios where the Asian session is relevant for South African traders despite the timing. Traders using expert advisors on the desktop versions of MT4 or MT5 can run automated strategies during Asian session hours without needing to monitor the platform manually. Traders with a specific focus on yen pairs, AUD pairs, or NZD pairs, or those following Australian or Japanese economic calendars, may choose to trade during the Sydney-Tokyo overlap. Position traders and swing traders holding positions for multiple days will experience the Asian session as part of their overnight exposure rather than as an active trading window.
For traders who prefer to be active during waking hours, the London session from 09:00 or 10:00 SAST and the London-New York overlap from approximately 15:00 or 16:00 SAST are generally more practical and more liquid windows for most currency pairs. The MT5 platform includes a built-in economic calendar that can be used to track scheduled data releases across all time zones, including Japanese and Australian releases, and their timing relative to SAST.
Spread and Slippage Conditions During the Asian Session
Because liquidity is lower during the Asian session for European and North American pairs, traders should be aware that spread conditions on those instruments can be wider than during peak London hours. This affects the cost of each trade and means that strategies calibrated on London or New York session spreads may behave differently if applied during Asian hours.
At the open of the trading week on Sunday evening and during session transitions, spreads can widen temporarily across multiple instruments. Around high-impact economic data releases, including Japanese or Australian central bank announcements and economic indicators, spreads can widen sharply on the relevant pairs even during otherwise liquid sessions.
Orders are executed at the best available market price, which may result in positive or negative slippage. This applies to all sessions but can be more pronounced during low-liquidity periods and around news events. Demo accounts often execute instantly and may not fully replicate live slippage conditions.
Trading the Asian Session at TIOmarkets
The MT4 and MT5 platforms are available on desktop, web, and mobile, allowing traders to monitor and manage positions during Asian session hours from any device. Expert advisors for automated strategies run on the desktop versions of MT4 and MT5. Hedging is permitted on all account types.
Traders interested in swap-free trading conditions should contact TIOmarkets directly to enquire about Islamic account eligibility for the instruments they intend to trade. Copy trading is available at TIOmarkets, allowing followers to replicate the trades of strategy providers in real time across MT4 and MT5, including positions entered during Asian session hours.
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