Convert EST to BST

See the 6-hour time difference between EST and BST, compare hours side by side, and schedule meetings with calendar export tools.

BST to EST
EDT/EST
EST Daylight TimeGMT -04Mon, Apr 6
12AM3AM6AM9AM12PM3PM6PM9PM
EST automatically adjusted to EDT time zone, that is in use
BST/GMT
BST Daylight TimeGMT +01Tue, Apr 7
12AM3AM6AM9AM12PM3PM6PM9PM
GMT automatically adjusted to BST time zone, that is in use

How to Convert EST to BST

  1. Open the EST to BST converter: Go to https://www.xconvert.com/time-converter/est-to-bst-converter to load a visual comparison page focused on Eastern Standard Time and British Summer Time. This page is useful when you are scheduling a sales call between New York and London, confirming support coverage for US-East and UK teams, or checking whether an afternoon meeting in Britain lands inside morning work hours on the US East Coast.

  2. Add comparison cities relevant to EST and BST: Click + Add City and search for cities such as New York, London, and Toronto if you are coordinating finance, media, consulting, or SaaS teams that work across the US and UK. You could also add Dublin for Ireland-based operations or Boston for East Coast clients, since many transatlantic business calls happen between US Eastern business centers and London’s banking, legal, and advertising sectors.

  3. Drag to select a meeting window on the grid: Use the Select button if needed, then drag across the colored timeline on the EST row to highlight a time range in purple; you can resize the left or right handles or drag the center to move the whole block. For example, if you drag 9:00 AM to 11:00 AM EST, the BST row will show 2:00 PM to 4:00 PM BST, which is one of the most practical same-day windows for project reviews, client demos, and newsroom coordination between the US East Coast and the UK.

  4. Export and share the selected time range: Once a range is selected, use the export options for ICS download, Google Calendar, Gmail, Copy to clipboard, or Share link. This is especially useful for sending a confirmed transatlantic meeting slot to a distributed team, because the calendar export preserves each participant’s local time automatically whether they are joining from the US, the UK, or another office added to the grid.

Understanding the EST to BST Time Difference

Eastern Standard Time (EST) is UTC-5, while British Summer Time (BST) is UTC+1, so BST is 6 hours ahead of EST. That means when it is 9:00 AM EST, it is 3:00 PM BST, and when it is 12:00 PM EST, it is 6:00 PM BST. This six-hour gap is the standard comparison specifically between EST and BST.

The complication is that these labels do not apply all year at the same time in real life. EST is the winter clock used in the eastern United States and parts of Canada, while BST is the summer clock used in the United Kingdom. In the US, daylight saving time typically begins on the second Sunday in March and ends on the first Sunday in November; in the UK, BST begins on the last Sunday in March and ends on the last Sunday in October.

Because the US and UK switch on different dates, the real-world time gap changes during certain weeks of the year. During most of the UK summer, the active comparison is usually EDT to BST, which is a 5-hour difference, not 6. The difference is commonly 6 hours only when the US East Coast is on standard time and the UK is on summer time, which usually happens from the last Sunday in October until the first Sunday in November.

For example, after the UK leaves BST in late October, London returns to GMT, while the US East Coast may still be on daylight time until early November. In that short period, London and New York are typically 4 hours apart. Then once the US returns to EST, the winter difference between EST and GMT becomes 5 hours, while the named comparison EST to BST remains a fixed conceptual difference of 6 hours because BST itself is always UTC+1.

Best Times for Calls and Meetings Between EST and BST

If you are specifically comparing EST to BST, the most practical overlap for business communication is usually 8:00 AM to 12:00 PM EST, which corresponds to 2:00 PM to 6:00 PM BST. This window works well for legal teams, agencies, software companies, and financial services firms that need live collaboration between US East Coast staff and London-based colleagues before the UK workday ends.

A particularly strong meeting window is 9:00 AM to 11:00 AM EST = 3:00 PM to 5:00 PM BST. That range is late enough for US teams to be online and still early enough for UK participants to join before evening, which is why it is commonly used for account reviews, sprint check-ins, and cross-border client presentations.

If you need a shorter handoff-style call, 7:00 AM to 9:00 AM EST = 1:00 PM to 3:00 PM BST can also work well. This is useful for industries with early starts on the US side, such as newsrooms, logistics, aviation operations, and global customer support teams that want several hours left in both regions after the meeting to act on decisions.

Late EST afternoons are usually poor for live collaboration with BST. For instance, 2:00 PM EST = 8:00 PM BST and 5:00 PM EST = 11:00 PM BST, so scheduling a normal US afternoon meeting often pushes UK participants into evening hours. If your company has teams in both markets, it is usually better to anchor recurring meetings in the US morning rather than the US afternoon.

Seasonal clock changes matter when you are planning recurring meetings across March and October. During much of the year, real New York–London scheduling is often based on EDT and BST, which creates a 5-hour gap, so a meeting that was 9:00 AM US Eastern = 2:00 PM UK may shift by an hour when one side changes clocks before the other. For recurring board meetings, trading support calls, or software release coordination, it is worth checking the exact date in the converter rather than assuming the offset stays constant every week.

Frequently Asked Questions

What is the time difference between EST and BST?

EST is 6 hours behind BST. Since EST is UTC-5 and BST is UTC+1, adding six hours to EST gives you BST, so 10:00 AM EST = 4:00 PM BST and 6:00 PM EST = 12:00 AM BST the next day.

When is 9 AM EST in BST?

9:00 AM EST is 3:00 PM BST. This is a common conversion for transatlantic meetings because it places the call in mid-morning on the US East Coast and mid-afternoon in the UK, which suits many consulting, tech, and client services teams.

Does the difference between EST and BST change during daylight saving time?

Yes, real-world scheduling can change because the US and UK do not switch clocks on the same dates. EST itself is always UTC-5 and BST is always UTC+1, but actual New York-to-London business planning often involves EDT in summer, which makes the practical gap 5 hours for much of the BST season, with short transition periods in March and late October/early November.

What is the best meeting time between EST and BST?

For most teams, 9:00 AM to 11:00 AM EST works best because it converts to 3:00 PM to 5:00 PM BST. That window keeps the meeting inside normal office hours in both regions and is especially practical for finance, software delivery, media planning, and customer success teams working between the US East Coast and the UK.

How do I convert EST to BST on https://www.xconvert.com?

Open the EST to BST page, use the visual grid, and drag across the EST timeline to highlight the time range you want to compare. The BST row updates instantly, and you can adjust the purple selection with the side handles, move it by dragging the center, then export the result through ICS, Google Calendar, Gmail, Copy to clipboard, or Share link for your team.

Why does my EST to BST meeting shift by one hour in March or October?

This usually happens because US daylight saving time and UK summer time start and end on different Sundays. The US changes on the second Sunday in March and the first Sunday in November, while the UK changes on the last Sunday in March and the last Sunday in October, so recurring meetings can temporarily move by an hour unless you verify the exact date.

Is EST the same as UK time?

No, EST is not the same as UK time. EST is 5 hours behind GMT and 6 hours behind BST, so the UK is always significantly ahead of EST whether Britain is on winter time or summer time.

Is noon EST afternoon or evening in BST?

12:00 PM EST is 6:00 PM BST, so it is early evening in the UK. That can still work for occasional cross-border calls, but for recurring meetings it is near the end of the UK business day and is less convenient than a US morning slot.