United States to United Kingdom — exact time difference
United States is 5 hours behind United Kingdom. Midday in United States lines up with 17:00 in United Kingdom.
United States observes America/New_York and United Kingdom observes Europe/London — a 5 hours gap between them.
Working hours overlap
There is a 3-hour window each day where both United States and United Kingdom are within standard business hours (09:00–17:00).
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United States
United Kingdom
Overlap (3h)
Optimal meeting slots
United States and United Kingdom share 3 hours of business hours overlap daily.
09:00 New York / 14:00 London✓ Both working
10:00 New York / 15:00 London✓ Both working
11:00 New York / 16:00 London✓ Both working
Assumes a standard 9 AM–5 PM workday in each location's local timezone.
Upcoming public holidays
⚡ Watch out — upcoming holidays on both sides. Verify availability in advance.
United States8 holidays
Jun 19Juneteenth National Independence DaySOON
Jul 3Independence Day
Sep 7Labour Day
Oct 12Columbus Day
Oct 12Indigenous Peoples' Day
United Kingdom7 holidays
Jun 15World Cup Bank HolidaySOON
Jul 13Battle of the Boyne
Aug 3Summer Bank Holiday
Aug 31Summer Bank Holiday
Nov 30Saint Andrew's Day
How to work with United States and United Kingdom time zones
Coordinating between United States (USA) and United Kingdom (United Kingdom) means working around a 5-hour time difference. The 3-hour overlap window gives both teams a natural slot for real-time collaboration without anyone working outside normal hours.
💡 How to schedule across these time zones
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Schedule at 09:00–10:00 (United States) for a 14:00–15:00 slot in United Kingdom — the sweet spot where both teams are working.
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Schedule at 10:00–11:00 (United States) for a 15:00–16:00 slot in United Kingdom — the sweet spot where both teams are working.
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Schedule at 11:00–12:00 (United States) for a 16:00–17:00 slot in United Kingdom — the sweet spot where both teams are working.
Recurring meetings are particularly vulnerable to DST shifts. The ClockinSync Chrome Extension alerts you before the offset changes.
Drag the slider at the top to convert any United States time instantly. You can also type natural language like "3pm", "15:00", or a location name to get an immediate answer.
