GMT to EST Converter

New York is 5 hours behind London
London: British Summer Time (GMT+1, UTC+1:00) ·New York: Eastern Daylight Time (EDT, UTC-4:00)

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GMT+1 vs EDT — time difference explained

London is in the British Summer Time (GMT+1), currently at UTC+1:00.

New York is in the Eastern Daylight Time (EDT), currently at UTC-4:00.

New York is 5 hours behind London. Both time zones automatically reflect Daylight Saving Time (DST) changes based on your selected date.

Use the timezone converter above to quickly timezone convert between London (GMT+1) and New York (EDT). Select any date to see the exact UTC offset and compare times in real time.

Quick reference

London
GMT+1
UTC+1:00
British Summer Time
New York
EDT
UTC-4:00
Eastern Daylight Time

Frequently asked questions

What is the time difference between London and New York?
New York is 5 hours behind London. The current UTC offsets are: London at UTC+1:00 and New York at UTC-4:00.
How do I convert GMT+1 to EDT?
Use the converter above. Enter your time in London (GMT+1) and all displayed times will update instantly, including New York (EDT).
Does the GMT+1 to EDT offset change with Daylight Saving Time?
Yes, if either time zone observes DST, the offset between them may change by 1 hour at the DST transition dates. The converter above always uses the correct DST-adjusted offset for the selected date.
Which timezone converter should I use for London to New York?
The Timezone Convert tool on this page is a free, accurate timezone converter for London (GMT+1) to New York (EDT). It's DST-aware, works for any date, and requires no sign-up.