Compare BST and EST

See the live time difference between British Summer Time and Eastern Standard Time, including DST changes and overlap hours for scheduling.

EST vs BST
London
United Kingdom · BST
London Daylight TimeGMT +01Tue, Jul 21
12AM3AM6AM9AM12PM3PM6PM9PM
GMT automatically adjusted to BST time zone, that is in use
New York
United States · EDT
New York Daylight TimeGMT -04Tue, Jul 21
12AM3AM6AM9AM12PM3PM6PM9PM
EST automatically adjusted to EDT time zone, that is in use
clock

BST to EST Difference

British Summer Time is UTC+1 and Eastern Standard Time is UTC-5, for a usual 6-hour difference. View the current offset instantly with side-by-side time comparison.

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DST Changes and Effects

BST is the daylight saving time used in the UK, while EST is standard time at UTC-5 and shifts to EDT during DST periods. The page tracks seasonal changes automatically using the IANA timezone database.

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Best Meeting Time Windows

Find the best overlap hours between the UK and Eastern Time with hour-by-hour tables and a visual grid. Export meetings with ICS download or add them to Google Calendar and Gmail.

How to Find the Time Difference Between BST and EST

BST (British Summer Time, UTC+1) is 6 hours ahead of EST (Eastern Standard Time, UTC-5), so this page is useful when you need to line up work hours between the United Kingdom and Eastern North America.

Looking for Bangladesh Standard Time? See /time-converter/bst-bangladesh-time-zone.
Looking for Bougainville Standard Time? See /time-converter/bst-bougainville-time-zone.

  1. Open the BST vs EST page: Visit https://www.xconvert.com/time-converter/bst-vs-est to see British Summer Time and Eastern Standard Time already lined up on the visual comparison grid. This is useful if you are scheduling a sales call between London and New York, planning support coverage between a UK team and a US team, or checking whether a same-day handoff is possible across the Atlantic.

  2. Add comparison cities: Click + Add City and search for cities that commonly work with these time zones, such as London for British Summer Time and New York, Toronto, or Nassau for Eastern Standard Time regions. This helps remote teams in finance, media, consulting, aviation, and software compare local working hours side by side before booking client calls or shift overlaps.

  3. Select a meeting window on the grid: Click Select to enter selection mode, then drag across the colored timeline to highlight a time range in purple; you can move the whole block by dragging the center or fine-tune it with the left and right handles. For example, dragging from 9:00 BST to 12:00 BST shows 3:00 EST to 6:00 EST, which makes it immediately clear that a UK morning meeting lands very early in the EST day and may not suit standard office hours in cities such as New York or Toronto.

  4. Export and share the result: After selecting a range, use the export options for ICS download, Google Calendar, Gmail, Copy to clipboard, or Share link depending on how you coordinate meetings. An ICS file is useful for sending a confirmed cross-border meeting to a distributed team, while a share link or clipboard copy works well when a recruiter, agency, or operations manager needs to circulate a proposed BST-to-EST time slot quickly.

BST vs EST Offset Explained

British Summer Time (British Summer Time, UTC+1) and Eastern Standard Time are separated by a fixed difference of 6 hours, with EST 6 hours behind BST and BST 6 hours ahead of EST. In practical terms, when it is 9:00 BST, it is 3:00 EST; when it is 12:00 BST, it is 6:00 EST; when it is 15:00 BST, it is 9:00 EST; and when it is 18:00 BST, it is 12:00 EST. This matters for business calls because a comfortable afternoon in the UK often maps to the morning in the eastern part of North America.

British Summer Time is a daylight saving time abbreviation, and its standard counterpart is GMT. Eastern Standard Time is a standard-time abbreviation, and its daylight saving counterpart is EDT. That distinction is important because people often search for “BST vs EST” when they are really trying to understand whether the UK is on summer time while the eastern US or Canada is on standard time, especially when coordinating recurring meetings across seasons.

British Summer Time is used in Guernsey, Isle of Man, Jersey, and the United Kingdom, while Eastern Standard Time is used in the Bahamas, Canada, Cayman Islands, Haiti, Jamaica, Mexico, Panama, Turks and Caicos Islands, and the United States. This makes the comparison relevant for industries with regular Atlantic-facing coordination, including London finance, multinational legal work, media booking, airline operations, and software teams split between the UK and eastern North America. If a London-based team wants a same-day conversation with colleagues in EST regions, late afternoon in British Summer Time usually creates the most practical overlap.

Because BST is specifically the summer-time form used in the British Isles, and EST is specifically the standard-time form used in eastern North America and nearby countries, the abbreviations themselves carry seasonal meaning. That is why calendar invites, client emails, and project handoff notes should use the full abbreviation carefully: writing BST instead of GMT, or EST instead of EDT, changes the intended local time reference and can shift a meeting outside normal office hours.

When BST to EST Scheduling Works Best

British Summer Time (British Summer Time, UTC+1) works best with Eastern Standard Time when the UK side schedules in the afternoon, because EST is 6 hours behind. Using the examples on this page, 15:00 BST = 9:00 EST and 18:00 BST = 12:00 EST, so a UK afternoon maps directly into the EST morning and midday. That pattern is especially useful for investor updates, agency-client reviews, and product demos where both sides want to stay inside standard business hours.

British Summer Time mornings are much harder for Eastern Standard Time participants. For instance, 9:00 BST = 3:00 EST and 12:00 BST = 6:00 EST, which means a UK morning meeting can fall before or at the very start of the EST workday. If you are planning interviews, customer onboarding, or support escalations, the grid makes it easy to avoid proposing slots that are realistic for London but too early for participants in EST locations.

The comparison is also useful for travel and transport planning. Travelers flying between the United Kingdom and EST regions such as the United States, Canada, or the Bahamas often need to understand whether a departure, arrival, hotel check-in, or ground transfer lands during local waking hours. A visual BST-to-EST range helps confirm whether a post-arrival call, airport pickup, or same-day meeting is practical after accounting for the 6-hour difference.

Frequently Asked Questions

What is the time difference between BST and EST?

British Summer Time is 6 hours ahead of Eastern Standard Time, and Eastern Standard Time is 6 hours behind British Summer Time. A simple way to use that difference is with the examples on this page: 9:00 BST = 3:00 EST and 15:00 BST = 9:00 EST. This is why UK afternoon meetings are often the easiest option for teams working with EST-based colleagues.

Is BST ahead of EST or behind EST?

British Summer Time is ahead of Eastern Standard Time by 6 hours. That means the clock in the UK and related British Summer Time locations reaches the business day earlier than EST locations in eastern North America and the Caribbean. For scheduling, a late-morning EST call usually corresponds to a mid-to-late afternoon BST call.

How do I convert BST to EST for a work meeting?

British Summer Time converts to Eastern Standard Time by applying the fixed 6-hour difference shown on this page. The easiest way to do it visually is to open the grid, keep British Summer Time and Eastern Standard Time in separate rows, and drag across a proposed UK meeting window to see the EST equivalent immediately. For example, selecting 12:00 BST shows 6:00 EST, while selecting 18:00 BST shows 12:00 EST, which helps you avoid booking a call too early for the EST side.

What are some BST to EST example conversions?

The most useful examples for day-to-day scheduling are 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 the general pattern clearly: early times in British Summer Time land very early in Eastern Standard Time, while late afternoon in British Summer Time aligns with the EST morning or midday. That makes the 15:00 BST to 18:00 BST range especially practical for cross-border meetings.

Does BST mean the same thing as GMT?

No. British Summer Time is a daylight saving time abbreviation, while GMT is its standard counterpart. That distinction matters because using the wrong abbreviation in a calendar invite can shift the intended meeting reference, especially for organizations that run recurring UK-US calls across different parts of the year.

Is EST the same as EDT?

No. EST is a standard-time abbreviation, and its daylight saving counterpart is EDT. This matters because many people casually say “Eastern Time,” but when a meeting invite specifically says EST, it is referring to Eastern Standard Time rather than Eastern Daylight Time, so the label should match the intended schedule.

Which countries use BST and which countries use EST?

British Summer Time is used in Guernsey, Isle of Man, Jersey, and the United Kingdom. Eastern Standard Time is used in the Bahamas, Canada, Cayman Islands, Haiti, Jamaica, Mexico, Panama, Turks and Caicos Islands, and the United States. This makes BST-to-EST conversion relevant not just for London–New York communication, but also for travel, customer support, and regional operations across multiple countries.

Is BST British Summer Time or Bangladesh Standard Time?

On this page, BST means British Summer Time (UTC+1). Bangladesh Standard Time is a different meaning of BST and uses UTC+6; if you need that version, use /time-converter/bst-bangladesh-time-zone. Another separate meaning is Bougainville Standard Time, which has its own page at /time-converter/bst-bougainville-time-zone.