Check the date and timezone. The US and UK change clocks on different Sundays.
Know which session you mean
The London Stock Exchange's main cash session normally runs 08:00–16:30 London time. NYSE's core cash session is 09:30–16:00 Eastern Time. Auctions, extended hours, other venues, instruments, holidays and early closes can differ.
Use the date checker below to convert standard hours into UK time. It is a weekday-hours reference, not a live exchange calendar. Check the linked official calendar before treating a date as a trading day.
Watch the clock-change gap
The New York open is usually 14:30 UK time. During the spring and autumn periods when the two countries are on different daylight-saving schedules, it is 13:30. The checker calculates the offset for the selected date using named timezones.
There is no universal best time to trade. Liquidity, spreads and volatility vary by instrument and session. An opening move or an economic release is an event to understand, not an automatic opportunity.
Verify releases at the source
Use BLS for its employment and inflation releases, BEA for its GDP and income releases, and the Federal Reserve for FOMC dates. Check each event's actual time and timezone; a monthly reference period is not its publication date.
The example Eastern-time converter is only a clock conversion. It does not assert that a release is scheduled. Meetings, policy announcements and minutes can fall on different dates.
Know the session
Standard weekday cash-session hours in Europe/London. Excludes holidays and early closes; check the official calendars. This is not live market status.
Choose a valid date between 2000 and 2099.
This date is a weekend. These are weekday reference hours, not a scheduled session.
Prepare a session note
Choose a future weekday. Check the exchange calendar, cash-session hours in London and any relevant official release times. Record an early close or holiday explicitly rather than assuming the usual hours apply.
Terms in this guide
Try an example: Combine intervals correctly →
Work through the evidence: Inflation: a slower rise is still a rise →
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Educational notes, not personalised financial advice. Hypothetical examples and chart shapes are not performance claims or trading signals.