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The forex market never really shuts during the week, which is both the best and the most misleading thing about it. You can place a trade at 3:14 on a Tuesday morning from your kitchen table and the platform will accept it without complaint. Whether anyone worth trading against is on the other side is an entirely different question.
That's the part beginners miss. Market hours aren't about access. They're about liquidity, spread, and whether the candle you're staring at represents a real fight between buyers and sellers or a handful of sleepy orders drifting past each other.
Currency trading is a rolling handoff between financial centres. Each one opens, does its business, and passes the book along to the next. Times below are in GMT, with New York time in brackets because most broker platforms default to it.
Total daily turnover runs around $7.5 trillion. That figure is not spread evenly across the clock, though. It bunches into a few hours and thins out to almost nothing in others, and knowing which is which changes how you trade far more than most indicator settings will.
Between 8am and midday New York time, London and New York are both open. Those four hours carry the deepest liquidity of the day. EUR/USD spreads on a decent ECN account drop to something like 0.1 to 0.3 pips in that window, against 1.5 pips or more at 3am New York when only Tokyo and a few algorithmic desks are working.
It's also the window where reading price action on a forex chart gives you something real to work with. Breakouts hold, pullbacks get bought, and the levels you drew the night before actually mean something because volume is behind them.
If you can only trade one block of the day, make it this one. A single well-chosen two-hour slot at 9am New York will beat six scattered hours of clicking at random times.
At 5pm New York, the market does a strange little stumble. London has gone home, New York is closing up, and the liquidity providers roll their positions into the next value date. Spreads blow out for 30 to 60 minutes. A pair that cost you 0.2 pips an hour earlier can briefly quote 3 or 4.
Two things happen in that gap. Swaps get charged, and anyone with a stop sitting close to price discovers how wide the real market is. Wednesday's rollover is the one to watch, because it carries triple swap for the weekend.
There's a smaller cousin of this at roughly 12pm New York, when the American lunch hour drains volume, and again from about 5pm to 7pm before Tokyo gets going. Trading those windows is how people end up convinced the market is rigged against them.
Session times matter most when you match them to the currencies actually being traded. Firing up a EUR/USD breakout at 9pm New York is a good way to watch a beautiful setup do absolutely nothing for four hours.
Broadly:
Most MetaTrader servers run on GMT+2 in winter and GMT+3 in summer, which means the daily candle you see closes at 5pm New York rather than at midnight anywhere you've ever lived. That's not a bug, but it does mean the "daily" bar on your screen covers a session-aligned day, not a calendar one.
It's worth checking how your specific setup handles this, along with what spreads look like at rollover. Good forex trading platforms will show you session shading or at least let you set it up, and the ones that quietly mark up spreads during the illiquid hours are costing you more than the commission line suggests.
The US switches to daylight saving on the second Sunday in March. Europe waits until the last Sunday. For those two or three weeks, the sessions shift relative to each other, and the London–New York overlap shrinks to three hours instead of four.
This catches out anyone who trades around scheduled data. US non-farm payrolls normally land at 13:30 GMT. During that gap, they arrive at 12:30. If your plan says "trade the reaction 15 minutes after the release," you need to know which clock you're reading. Getting surprised by how forex news moves the market at the wrong moment is one of the more avoidable ways to lose money. Australia and New Zealand run their own schedules too, which is why Sydney's open drifts by an hour for part of the year.
The week begins at 5pm New York on Sunday and ends at 5pm New York on Friday. Those two edges are where gaps live.
A 40-pip gap on GBP/USD after a weekend of political noise is routine. Fifty or more happens several times a year around elections and central bank surprises. If you hold positions through the weekend, your stop is only as good as the first price available on Sunday evening, which may be well past where you set it.
Friday afternoon is the mirror image. Liquidity drains steadily after 3pm New York as desks square up, spreads widen, and the last two hours produce moves that look dramatic on a five-minute chart and mean very little. Closing early on Friday is not laziness. It's knowing what the market can and can't do at that hour.
You need the overlap or London's morning. Two hours, one or two pairs, tight spreads. Anything outside that is paying more to fight a thinner book.
One session, consistently. Pick London open or New York open and ignore the rest. Consistency in timing beats cleverness in setup selection more often than traders expect.
Session times matter much less on a daily or four-hour chart, though the entry still benefits from decent liquidity. Place orders during the overlap and let them sit.
If a provider fires alerts at 2am your time on pairs that only move in London, that tells you something about the service. Signals timed to sessions you can actually watch, and priced so the spread doesn't eat the edge, are worth the subscription. The rest are a habit, and telling a good forex signals provider from an expensive habit usually comes down to exactly this kind of detail.
Start with one two-hour block that fits around work, sleep, and whatever else your day involves. Note the spread on your pair at the start and end of it. Watch how price behaves. After three weeks you'll know more about your own trading window than any session table can tell you, because you'll have seen what the market does at that hour with your own money on the line.
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