London uses Europe/London: GMT in winter and BST in summer.
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The UK capital is the usual reference for British civil time. London is typically five hours ahead of New York in winter and four or five hours ahead depending on whether both sides have changed clocks. It is one hour behind Paris when both are on standard or both on summer time.
London uses Europe/London. The current offset is UTC+01:00. Clocks on this page update from that IANA zone rather than from the server’s local time.
London, United Kingdom is in Greenwich Mean Time (Europe/London). London uses Europe/London: GMT in winter and BST in summer.
Daylight saving time is in effect The United Kingdom observes British Summer Time from late March to late October. During BST the London offset is UTC+01:00.
At this moment the offset difference is +05:00 hours relative to UTC labels, meaning London compared with New York can be converted in the time zone converter using Europe/London and America/New_York. Daylight saving on either side is applied automatically.