Forex trades 24 hours a day across three overlapping regional sessions: the Asian session (centered on Tokyo), the London session, and the New York session — together spanning Sunday evening to Friday evening GMT. Each session has its own typical volatility and pair behavior, with London handling the largest share of daily volume.
Knowing which session is active helps explain sudden shifts in spread and volatility, since liquidity conditions change materially as one session hands off to the next.
Next step
Guide
Choosing a Trading Platform: MT4, MT5, cTrader and the Broker's Own
The platform decides which orders you can place, whether your stops survive a closed laptop, and how much you would have to rewrite to leave. What actually differs between the options — and the point where the platform stops mattering and the broker takes over.