Working hours: 09:00–17:00 local. Green = both working.Purple = one side only.
Frequently Asked Questions
What is the difference between est and bst?
Eastern Standard Time (est) is UTC-4 and British Summer Time (bst) is UTC+1. The difference between them is 5 hours.
Where is est used?
Eastern Standard Time (est) is used in USA and surrounding regions. The IANA timezone identifier is America/New_York.
Where is bst used?
British Summer Time (bst) is used in United Kingdom and surrounding regions. The IANA timezone identifier is Europe/London. Note: bst is ambiguous and may refer to other timezones.
How do I convert est to bst?
Use the interactive converter above. Drag the time slider to any est time and the bst equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.
EST (New York) is 5 hours behind BST (London). At noon in EST (New York), your contact in BST (London) sees 17:00.
EST (New York) runs on America/New_York; BST (London) runs on Europe/London. Together they are 5 hours apart.
Shared working hours
EST (New York) and BST (London) share 3 hours of overlapping business hours daily — enough for real-time collaboration without anyone joining at odd hours.
00:0006:0012:0018:0024:00
EST (New York)
BST (London)
Overlap (3h)
Best call times between these locations
There is a 3-hour daily window where both locations are in business hours.
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
Working hours defined as 09:00–17:00 local time for each location.
Public holidays for both locations
⚡ Holiday alerts for both locations, double-check schedules before confirming.
EST (New York)8 holidays
Jun 19Juneteenth National Independence DaySOON
Jul 3Independence Day
Sep 7Labour Day
Oct 12Columbus Day
Oct 12Indigenous Peoples' Day
BST (London)6 holidays
Jul 13Battle of the Boyne
Aug 3Summer Bank Holiday
Aug 31Summer Bank Holiday
Nov 30Saint Andrew's Day
Dec 25Christmas Day
Scheduling between EST (New York) and BST (London)
EST (New York) (USA) and BST (London) (United Kingdom) are 5 hours apart. With a 3-hour daily overlap in standard business hours, both teams can connect in real time without either side stretching beyond their normal workday.
💡 Scheduling tips for these locations
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If you are in EST (New York), aim for 09:00–10:00, which corresponds to 14:00–15:00 in BST (London) — both teams are within working hours.
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If you are in EST (New York), aim for 10:00–11:00, which corresponds to 15:00–16:00 in BST (London) — both teams are within working hours.
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If you are in EST (New York), aim for 11:00–12:00, which corresponds to 16:00–17:00 in BST (London) — both teams are within working hours.
Avoid scheduling mistakes — especially around daylight saving changes. Use the ClockinSync Chrome Extension to instantly verify and compare both time zones directly in your browser, without manual calculations.
Need a specific time? Use the slider or type directly into the input bar — it understands "3pm", "15:30", and location-specific formats like "9am EST (New York)".