Our free EST to BST converter instantly translates US Eastern Time into UK London time — British Summer Time in the warmer months and GMT in winter. It is the everyday New-York-to-London conversion, and this tool handles the seasonal naming so you always see the correct London clock.
London is five hours ahead of New York for almost the whole year: (Offsets follow the IANA Time Zone Database.)
London is 5 hours ahead of New York for most of the year, whether it is on BST (summer) or GMT (winter). So 12:00 PM EST is 5:00 PM in London.
BST (British Summer Time, UTC+1) is London's clock from late March to late October; GMT (UTC+0) is its winter clock. They are the same place, one hour apart, depending on the season.
12:00 PM EST is 5:00 PM in London. For a meeting that suits both, target New York morning, which is London afternoon.
BST is 5 hours ahead of EST year-round. 100% free, no registration, and fully private — every conversion happens in your browser.
Uses the IANA database for America/New_York and Europe/London, so daylight saving is applied automatically — no manual offset math.
Convert EST to BST the moment you pick a time. No signup, no ads in your way, nothing to install.
Find the New York ↔ London overlap fast — both cities are in business hours roughly 9:00 AM–12:00 PM EST.
Every conversion runs locally in your browser using your device clock. Your dates and times never touch a server.
Reverse conversion
From Eastern Time
From Eastern Time
From Eastern Time
From Eastern Time
From Eastern Time
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