Forex Market Hours: When to Trade Each Session for Best Results
The forex market runs 24 hours a day, but not all hours are equal. Liquidity, volatility, and spread costs change dramatically depending on which financial center is active. Trading during the right session can mean the difference between a clean fill and a slipped stop.
- Forex runs 24/5 — opens Sunday 5pm New York, closes Friday 5pm New York
- Four major sessions: Sydney, Tokyo, London, New York
- London-NY overlap (12pm-4pm GMT) is the highest-liquidity window of the week
- Trade pairs during the active session of their currencies — EUR/USD during London / NY, USD/JPY during Tokyo
How the trading week runs
The forex week opens on Sunday at 5pm New York time (10pm GMT in winter) when the Sydney session begins, and closes on Friday at 5pm New York. That's 120 continuous hours of trading.
Within that window, no single 'opening bell' exists. Instead, financial centers in different time zones progressively wake up and go to sleep, creating overlapping periods of high activity.
The four major sessions
The four sessions, with approximate GMT hours:
| Sydney | 22:00 – 07:00 | Lightest liquidity, narrow ranges |
| Tokyo | 00:00 – 09:00 | JPY pairs active, otherwise quieter |
| London | 08:00 – 17:00 | ~35% of daily volume, broad participation |
| New York | 13:00 – 22:00 | ~20% of daily volume, USD pairs active |
Note these shift by an hour during daylight saving transitions.
The London-NY overlap — peak liquidity
From 13:00 to 17:00 GMT (12-4pm UK), London and New York are both active simultaneously. This four-hour window:
- Carries the tightest spreads of the day on major pairs
- Sees the most directional moves driven by economic releases
- Has the deepest market depth — large orders fill without significant slippage
For most retail traders, this is the optimal trading window. Spread costs are minimized, news is digested in real time, and the moves that develop tend to follow through to the close.
Match the pair to the session
Pairs are most liquid when at least one of their currencies' home session is active:
- EUR/USD, GBP/USD — most active during London-NY overlap
- USD/JPY, AUD/JPY — active during Tokyo, especially Tokyo-London overlap
- AUD/USD, NZD/USD — active Sydney to early London
- USD/CAD — most active during NY session, especially when oil prices move
- Exotics — most active during their home session; USD/TRY during European hours
Trading EUR/USD during the Sydney session is technically possible but spreads will be 2-3× wider than during London-NY overlap.
News releases and session timing
Most market-moving news releases concentrate in two windows:
- European morning (08:30 - 10:00 GMT) — UK CPI, German IFO, ECB minutes
- US morning (12:30 - 14:30 GMT) — NFP, US CPI, Fed decisions, GDP, retail sales
Both overlap with London or London-NY hours, which is part of why those windows see the most movement. Plan trade entries around (not during) major releases unless you're specifically trading news.
What to avoid — and when
Three time windows are best avoided:
- The 'Tokyo trap' (00:00-04:00 GMT for non-JPY pairs) — spreads widen 2-4× and price tends to chop sideways
- Friday late afternoon (after 17:00 GMT) — closing flows distort price; many institutions step away
- Around major news releases (±10 minutes) — slippage is extreme; spreads can blow out 20×
Building a session into your strategy
If you can only trade during specific hours, design your strategy around those hours:
- European morning trader — focus on GBP and EUR pairs, trade UK news releases, exit before US session
- US session trader — focus on USD pairs, trade US data and NY equity correlations
- Asian session trader — focus on JPY and AUD pairs; expect smaller daily ranges
The session you can actually trade reliably matters more than the 'best' session in theory. A consistent presence in Asian hours beats an irregular presence in London-NY hours.
Frequently asked questions
What's the best time of day to trade forex?
The London-NY overlap (12pm-4pm GMT / 7am-11am New York) for most major pairs.
Does the market really close on weekends?
Yes — forex closes Friday at 5pm New York and reopens Sunday at 5pm. Some cryptocurrency CFDs continue weekend trading.
How does daylight saving affect forex hours?
The US, UK, and EU shift between summer and winter time at slightly different dates, briefly compressing or expanding the London-NY overlap window.