BST to ET Converter

Category: Time Zone Converters

- July 04, 2025

| |

British Summer Time (BST)

UTC+1 • London, Edinburgh, Dublin

Conversion Settings

Configure your timezone conversion preferences

Auto Convert

Daylight Saving Aware

Show UTC Offset

Show Seconds

Eastern Time (ET)

UTC-4/-5 • New York, Toronto, Miami

--:--:--

Select a time to convert

Time Difference: --

UTC Offset (BST): +1

UTC Offset (ET): -4

DST Status: --

BST Time: --

ET Time: --

Time Format:

Current BST: --:--:--

Current ET: --:--:--

🌍 BST is UTC+1 and observed during British summer time (March-October). ET switches between EST (UTC-5) and EDT (UTC-4) based on daylight saving time.

BST to ET Conversion Guide

What is BST to ET Conversion?

BST to ET conversion helps you translate time between British Summer Time and Eastern Time. BST is UTC+1 and is observed in the UK during summer months from March to October. Eastern Time alternates between EST (UTC-5) in winter and EDT (UTC-4) in summer. The time difference varies between 4-6 hours depending on daylight saving time periods.

Time Zone Information

British Summer Time (BST): Used in the United Kingdom during daylight saving time. Always UTC+1 from last Sunday in March to last Sunday in October.

Eastern Time (ET): Used in eastern North America. Switches between EST (UTC-5) in winter and EDT (UTC-4) in summer based on daylight saving time.

Variable Time Difference: ET is 4-6 hours behind BST depending on daylight saving periods in both regions.

Daylight Saving Time Impact

BST Period: Observed from last Sunday in March to last Sunday in October when UK clocks are set forward

EDT Period: Observed from second Sunday in March to first Sunday in November when US/Canada clocks are set forward

Overlap Periods: Time difference changes throughout the year: 5 hours (BST to EDT), 6 hours (GMT to EST), 4 hours (BST to EST), 5 hours (GMT to EDT)

Common Conversion Examples

Summer Period (BST to EDT)

BST 9:00 AM → EDT 4:00 AM

BST 5:00 PM → EDT 12:00 PM

5-hour difference when both observe DST

Winter Period (GMT to EST)

GMT 10:00 AM → EST 5:00 AM

GMT 3:00 PM → EST 10:00 AM

5-hour difference during standard time

Business Hours

BST 2:00 PM → EDT 9:00 AM

BST 6:00 PM → EDT 1:00 PM

Optimal meeting times overlap

Transition Periods

BST 11:00 AM → EST 6:00 AM

GMT 8:00 PM → EDT 3:00 PM

Different DST periods create 6/4-hour gaps

Conversion Tips & Best Practices

• BST is only used during UK summer time; GMT (UTC+0) is used during winter

• Eastern Time switches between EST and EDT based on US daylight saving time

• Time difference varies: 4 hours (BST to EST), 5 hours (BST to EDT or GMT to EST), 6 hours (GMT to EST overlap)

• UK and US have different DST start/end dates, creating temporary 4 or 6-hour differences

• Best business meeting times: BST 2:00-6:00 PM corresponds to EDT 9:00 AM-1:00 PM

• Always verify current DST status for both regions when scheduling international calls

Convert Time Between BST and ET

Need to check if 3 PM in London works for your colleague in New York? Or plan a virtual meeting without double-checking three calendars? The BST to ET Time Converter saves you from timezone slip-ups and awkward scheduling. Below is a quick overview of what each timezone includes.

British Summer Time (UTC+1)	Eastern Time (UTC-4 / UTC-5)
🇬🇧 United Kingdom 🇮🇪 Ireland 🇵🇹 Portugal (Madeira) 🇲🇦 Morocco	🇺🇸 United States 🇨🇦 Canada 🇧🇸 Bahamas 🇭🇹 Haiti 🇯🇲 Jamaica 🇹🇨 Turks and Caicos Islands 🇰🇾 Cayman Islands 🇵🇦 Panama

What This Time Converter Actually Does

This tool takes any time you plug in from either British Summer Time (BST) or Eastern Time (ET) and tells you what it is on the other end. Whether you're looking ahead to a future meeting or syncing with someone across the Atlantic right now, it figures out the correct time, accounting for daylight saving changes in both regions.

Why People Use It Every Day

The time difference between the UK and Eastern North America shifts during the year. Sometimes it’s five hours. Sometimes six. Occasionally, it’s four. That gets confusing fast—especially when you’re juggling international meetings, customer support shifts, or remote team calls. This converter takes care of the math, daylight saving rules, and formatting quirks so you can focus on your actual plans.

Here’s How You Use It

Step-by-step walkthrough

Pick a date and time using the BST input field (you can also switch it to ET using the swap button).
Choose your input timezone from the dropdown if it’s not already correct.
Click “Convert Time” to see the exact converted result on the right.
You’ll see both the time and date, clearly labeled with whether it’s in BST, GMT, EDT, or EST.

You can also hit the "Now" button if you want to use the current moment as your base time. Or use "Reset" to start fresh.

Hidden Power Under the Hood

This isn’t just a basic time swapper. It has some thoughtful extras built in:

Auto Convert: Automatically updates results as you type in a new time or date.
Daylight Saving Aware: Makes sure it adjusts correctly for both UK and US seasonal shifts.
Show UTC Offset: Want to see +1 or -5 instead of timezones? You can flip that on.
Show Seconds: If you need precise timing, this keeps the seconds visible too.
12/24 Hour Toggle: Click one button to switch between formats.

The tool even keeps the current live time running in both zones at the bottom, so you never lose track of what’s happening right now.

A Real-Life Example From Morocco to Miami

Let’s say you're in Morocco (which aligns with BST in the summer) and trying to plan a virtual check-in with a colleague based in Miami. You’ve got a window at 3:30 PM your time, and you need to know if that’s early enough in their morning. Punch in the date and time, and the converter will show you if it’s still 10:30 AM over there—or if daylight saving has shifted things unexpectedly.

Answers to Common What-ifs

What happens during daylight saving changes?

Good question. The UK and US don’t flip their clocks on the same dates. For a couple of weeks each spring and fall, the time gap shifts. This tool takes that into account if “Daylight Saving Aware” is checked. It uses smart logic based on the calendar, not just static math.

Can I input ET instead of BST?

Yes. Hit the swap button, and you can type in Eastern Time as your base instead. The tool will flip everything around accordingly.

Why does the time difference say 4, 5, or 6 hours sometimes?

Because of those different daylight saving rules. The converter checks the date you’ve entered, figures out whether DST is active in each region, and does the proper calculation.

What if I just want a quick glance at the current time in both zones?

Scroll down to the live time section. You'll see real-time clocks for both BST and ET ticking side-by-side.

Make Scheduling Between UK and US Effortless

Whether you’re planning across London and Toronto, Dublin and New York, or even a remote call between Belfast and Atlanta, this converter handles the guesswork. Time differences don’t need to trip you up. Just enter your info and get the correct time, no second-guessing required.