EST to BST Converter

Convert Between EST and BST

A handy tool for planning across time zones

Trying to coordinate a meeting between New York and London? This EST to BST converter helps you figure out the exact time difference without any math—or second-guessing daylight saving rules. You enter a time and date in Eastern Time, click a button, and instantly see the corresponding time in British Summer Time or GMT, depending on the season.

Why this converter might save your schedule

If you’ve ever shown up an hour early (or late) to a call with someone in another country, you know the pain of misreading time zones—especially when daylight saving time kicks in or ends. This calculator automatically adjusts for those rules in both the US and UK, meaning it won’t lead you astray during that awkward spring-forward/fall-back transition. It's a small tool that can make a big difference when you’re juggling international communication.

How to use it, step by step

1. Set the Eastern Time you want to convert

Use the time and date fields on the left side. You can select any hour and minute using the time picker, and the calendar will let you choose any date, whether it’s today or sometime next year. By default, it’s already filled in with the current time and date for Eastern Time.

2. Click the “Convert” button

Hit the button with the double arrow. That’s when the magic happens: the tool checks whether daylight saving time is active in both the US and UK on that specific day, then calculates the correct offset. Within a second, it fills in the British time and date on the right.

3. Read the result in BST or GMT

Depending on the time of year, you’ll either see the British time as BST (British Summer Time) or GMT (Greenwich Mean Time). The calculator adjusts the labels too, so you’ll always know whether you’re looking at Daylight Time or Standard Time.

Time formats and other options

12-hour vs 24-hour view

Prefer military time? Tap the “12H” button in the bottom section to toggle to 24-hour format. It switches the display for both the live clock and any converted times. Tap again to go back to 12-hour format. Simple and helpful if you're more familiar with one style over the other.

Live EST time

There’s also a real-time Eastern Time clock at the bottom, updating every second. It’s a quick reference if you just want to see what time it is on the East Coast right now.

Clear notes on time differences

Right below the live clock, there’s always a note telling you exactly how many hours ahead the UK is from Eastern Time at that moment in time—no need to count on your fingers or Google around. These notes adjust with the season, so you can trust them all year long.

Common questions this calculator already answers

“Do I need to know if it’s daylight saving time?”

Nope. The tool checks the daylight saving rules for both countries based on the date you pick. So even if the US has already changed clocks and the UK hasn’t (or vice versa), you’ll still get the right conversion.

“Can I convert future or past dates?”

Yes, you can use any date on the calendar, going forward or backward. This is especially useful if you’re planning ahead for travel or remote meetings.

“What happens if I forget to enter a time?”

If either the time or date is missing, the calculator will remind you with a message so you don’t end up with a blank or incorrect result. It’s a small prompt that keeps things on track.

Keep your schedule smooth, no matter the time zone

This converter takes the mental math and seasonal guesswork out of time zone planning between Eastern Time and the UK. Whether you’re setting up a meeting, catching a livestream, or calling family across the pond, it helps you show up at just the right moment—without needing a second app or a cheat sheet.