Convert BST to EST
See the current 6-hour time difference between British Summer Time and Eastern Standard Time, with a live converter and planning tools.
How BST to EST Works
British Summer Time is UTC+1 and Eastern Standard Time is UTC-5, so EST is 6 hours behind BST. The converter updates automatically to reflect the selected date and applicable offset.
Hour-by-Hour Time Table
Use the visual grid and hour-by-hour table to compare BST and EST across the day. Check overlapping working hours and export selected times with ICS download or Google Calendar.
Schedule Meetings Accurately
Find suitable meeting times between British Summer Time and Eastern Standard Time and share them by calendar. Automatic DST tracking and IANA timezone database data help keep conversions accurate over time.
How to Convert BST to EST
Looking for Bangladesh Standard Time? See /time-converter/bst-bangladesh-time-zone.
Looking for Bougainville Standard Time? See /time-converter/bst-bougainville-time-zone.
Open the BST to EST converter: Go to https://www.xconvert.com/time-converter/bst-to-est-converter to open a comparison grid with British Summer Time already matched against Eastern Standard Time. This view is useful when you are scheduling a client call between the United Kingdom and the eastern United States, or coordinating support coverage across teams in London, Toronto, and New York.
Add comparison cities if your schedule involves more regions: Click + Add City and search for cities that commonly work alongside British Summer Time and Eastern Standard Time, such as London for UK operations, New York for US finance and media, or Toronto for North American customer support. This helps if you are comparing a UK headquarters schedule with partners in the United States or Canada, especially for sales meetings, agency reviews, or cross-border project handoffs.
Drag to highlight the meeting window on the grid: Click Select, then drag across the British Summer Time row to mark a time range in purple, such as 9:00 to 12:00 BST, which corresponds to 3:00 to 6:00 EST. You can resize the range with the left and right handles or drag the center to test alternatives, which is useful when you need to see whether a London morning meeting still lands inside early East Coast business hours.
Export the selected time for your team or clients: Once a range is selected, use the export options for ICS download, Google Calendar, Gmail, Copy to clipboard, or Share link. This is practical for sending a confirmed BST-to-EST meeting slot to a distributed team so each participant sees the correct local time in their own calendar workflow.
Understanding the BST to EST Time Difference
BST (British Summer Time, UTC+1) is 6 hours ahead of EST (Eastern Standard Time, UTC-5). That means EST is 6 hours behind BST, so a working morning in the United Kingdom maps to much earlier hours in the eastern part of North America and nearby EST regions.
British Summer Time is a daylight saving abbreviation, while Eastern Standard Time is a standard-time abbreviation. Because BST is the summer clock used instead of GMT, and EST has a daylight-saving counterpart called EDT, the BST-to-EST relationship does not stay fixed throughout the full year; it changes during parts of the year when one side is on daylight time and the other is on standard time.
The most useful reference points are straightforward: 9:00 BST = 3:00 EST, 12:00 BST = 6:00 EST, 15:00 BST = 9:00 EST, and 18:00 BST = 12:00 EST. These examples show why midday in British Summer Time often lines up with the start of the East Coast workday, making late UK afternoon one of the most practical periods for live collaboration.
British Summer Time is used in Guernsey, the Isle of Man, Jersey, and the United Kingdom. Eastern Standard Time is used across the Bahamas, Canada, the Cayman Islands, Haiti, Jamaica, Mexico, Panama, Turks and Caicos Islands, and the United States, so this conversion is relevant for travel planning, transatlantic account management, media booking, and customer support scheduling.
Best Times for Calls and Meetings Between BST and EST
British Summer Time works best for EST meetings when the UK side can meet from mid-afternoon onward. Using the fixed examples, 15:00 BST = 9:00 EST and 18:00 BST = 12:00 EST, which creates a practical overlap for standard business calls, recruiting interviews, legal reviews, and agency-client check-ins.
Earlier British Summer Time slots are usually too early for a normal EST workday. For example, 9:00 BST = 3:00 EST and 12:00 BST = 6:00 EST, so a UK morning meeting would reach the East Coast in the middle of the night or very early morning, which is rarely suitable unless you are coordinating urgent operations or shift-based support teams.
For recurring meetings, a late afternoon British Summer Time slot is often the safest option when participants are in London and cities on Eastern Standard Time. A 15:00 to 18:00 BST block maps to 9:00 to 12:00 EST, which fits common office hours for financial services, consulting, software delivery, publishing, and cross-border sales teams.
This timing pattern is especially useful for organizations with UK commercial teams and East Coast decision-makers. A London-based team can complete internal morning work first, then use the afternoon for live calls with counterparts in New York, Toronto, or other EST locations without pushing the meeting into the evening on either side.
Frequently Asked Questions
What is the time difference between BST and EST?
BST (British Summer Time, UTC+1) is 6 hours ahead of EST (Eastern Standard Time, UTC-5). Put another way, EST is 6 hours behind BST, so when the UK is in the afternoon, the eastern North American side is often just starting the business day.
When is 9 AM BST in EST?
9:00 BST = 3:00 EST. This makes 9 AM in British Summer Time a very early hour in Eastern Standard Time, so it is usually not suitable for routine business meetings unless the EST side is working overnight or handling time-sensitive operations.
Does the BST to EST difference change during DST?
Yes. British Summer Time is a daylight saving abbreviation and its standard counterpart is GMT, while EST is a standard-time abbreviation and its daylight saving counterpart is EDT. Because one abbreviation represents summer time and the other represents standard time, the gap changes during parts of the year when seasonal clock rules shift, so the 6-hour difference applies specifically to BST and EST as named here.
What is the best meeting time between BST and EST?
A strong overlap for business meetings is the late British Summer Time afternoon. The clearest examples are 15:00 BST = 9:00 EST and 18:00 BST = 12:00 EST, so a 15:00 to 18:00 BST meeting window aligns well with a standard East Coast morning for sales calls, stakeholder reviews, and remote team standups.
When is 12 PM BST in EST?
12:00 BST = 6:00 EST. That means noon in British Summer Time lands very early in Eastern Standard Time, which may work for travel logistics, operations teams, or urgent coordination, but it is generally too early for a normal office meeting on the EST side.
Which countries use BST and EST?
British Summer Time is used in Guernsey, the Isle of Man, Jersey, and the United Kingdom. Eastern Standard Time is used in the Bahamas, Canada, the Cayman Islands, Haiti, Jamaica, Mexico, Panama, Turks and Caicos Islands, and the United States, so this conversion is common for transatlantic business, tourism, and customer communication.
Is BST British Summer Time or Bangladesh Standard Time?
On this page, BST means British Summer Time, which is UTC+1. BST can also mean Bangladesh Standard Time, which is UTC+6; if you need that meaning, use /time-converter/bst-bangladesh-time-zone.