United Kingdom to EDT
-5hUnited Kingdom
BSTSOURCEEDT
EDTGreen rows indicate typical business hours (9 AM - 5 PM)
BST and EDT on the World Map
The map below highlights the BST (Greenwich Mean Time) and EDT (Eastern Daylight Time) timezone regions across the globe.
GMT – Greenwich Mean Time
UTC+00:00Greenwich Mean Time (GMT) is the mean solar time at the Royal Observatory in Greenwich, London. It is the same as UTC+00:00.
- •GMT is based on the Prime Meridian (0° longitude) passing through Greenwich, London.
- •The Royal Observatory in Greenwich has been the reference point for GMT since 1884.
- •GMT and UTC are often used interchangeably, but UTC is based on atomic clocks.
- •Iceland uses GMT year-round and never observes daylight saving time.
- •The UK switches from GMT to BST (British Summer Time) in late March each year.
EDT – Eastern Daylight Time
UTC-04:00Eastern Daylight Time (EDT) is the daylight saving time observed in the Eastern Time Zone, 4 hours behind UTC.
- •EDT is observed from the second Sunday of March to the first Sunday of November.
- •During EDT, the US East Coast is only 4 hours behind London (instead of 5).
- •Not all EST locations switch to EDT – Panama and Jamaica stay on EST year-round.
Everything You Need to Know About United Kingdom and EDT Time
United Kingdom runs on British Summer Time (BST) at UTC+01:00, currently observing daylight saving time. EDT runs on Eastern Daylight Time (EDT) at UTC-04:00. That puts United Kingdom 5 hours behind EDT — a difference of -5h at the current offsets.
In practice, when it is 9:00 AM in United Kingdom it is 4:00 AM in EDT. Midnight in United Kingdom is 7:00 PM in EDT.United Kingdom observes daylight saving time while EDT does not, so the gap narrows or widens by an hour part of the year.
United Kingdom to EDT time conversion table
| United Kingdom (BST) | EDT (EDT) | Day |
|---|---|---|
| 12:00 AM | 7:00 PM | previous day |
| 6:00 AM | 1:00 AM | same day |
| 7:00 AM | 2:00 AM | same day |
| 8:00 AM | 3:00 AM | same day |
| 9:00 AM | 4:00 AM | same day |
| 12:00 PM | 7:00 AM | same day |
| 3:00 PM | 10:00 AM | same day |
| 5:00 PM | 12:00 PM | same day |
| 6:00 PM | 1:00 PM | same day |
| 9:00 PM | 4:00 PM | same day |
Why people convert United Kingdom to EDT time
- Scheduling a call from United Kingdom to EDT: a 10:00 AM start in United Kingdom lands at 5:00 AM in EDT, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both United Kingdom and EDT are inside the 9-to-5 working day between 2:00 PM and 5:00 PM BST time (9:00 AM–12:00 PM EDT). That is roughly 3 hours of usable overlap.
- Coordinating a United Kingdom-based team with EDT contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.
- Always state the zone abbreviation, not just the hour. "3:00 PM BST" is unambiguous; "3 PM" across a -5h gap is not.
- Block 2:00 PM–5:00 PM BST as the recurring meeting window if you work primarily from United Kingdom and need EDT colleagues present.
- United Kingdom: Clocks fall back on Sun, Oct 25, 2026. Re-check this page after that date because the offset changes and so does the -5h gap.
About GMT (Greenwich Mean Time)
Greenwich Mean Time (GMT) is the clock time at the Royal Observatory in Greenwich, London, which sits on the Prime Meridian (0° longitude). GMT serves as the reference point from which all other time zones are calculated. The United Kingdom uses GMT during winter months and switches to British Summer Time (BST, UTC+01:00) from late March to late October. Several West African nations use GMT year-round. GMT is often used interchangeably with UTC (Coordinated Universal Time), although technically they are different – UTC is based on atomic clocks while GMT is based on Earth's rotation.
About EDT (Eastern Daylight Time)
Eastern Daylight Time (EDT) is used during the summer months (second Sunday of March to the first Sunday of November) in the Eastern Time Zone. During EDT, clocks are advanced by one hour to take advantage of longer daylight hours. Not all locations in the Eastern Time Zone observe DST – Panama, Jamaica, and most of the Caribbean remain on EST year-round.
Best time to call between United Kingdom and EDT
Both United Kingdom and EDT sit inside the 9 AM – 5 PM working day between 2:00 PM–5:00 PM BST, which is 9:00 AM–12:00 PM EDT. That gives roughly 3 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
United Kingdom and EDT overlap for about 3 hours during the working day — enough for meetings if you avoid the edges of the window.
United Kingdom is 5 hours behind EDT (BST UTC+01:00 → EDT UTC-04:00). The shared working window is 2:00 PM–5:00 PM BST. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
United Kingdom
☀ Currently in DST
Standard: UTC+00:00 · DST: UTC+01:00
Clocks fall back on Sun, Oct 25, 2026
EDT
☀ Currently in DST
Standard: UTC-05:00 · DST: UTC-04:00
Clocks fall back on Sun, Nov 1, 2026
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between United Kingdom and EDT?
United Kingdom (BST, UTC+01:00) is 5 hours behind EDT (EDT, UTC-04:00). The gap is currently -5h.
How do I convert United Kingdom time to EDT time?
Add -5h to United Kingdom local time. For example, 9:00 AM in United Kingdom is 4:00 AM in EDT.
What time is it in EDT right now?
EDT uses EDT at UTC-04:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -5h offset from United Kingdom.
What is the best time to call EDT from United Kingdom?
Call between 2:00 PM and 5:00 PM BST — that maps to 9:00 AM–12:00 PM EDT and keeps both parties inside the working day.
Which is behind, United Kingdom or EDT?
United Kingdom is 5 hours behind EDT. When it is 12:00 PM in United Kingdom it is 7:00 AM in EDT.
Do United Kingdom and EDT use different time zones?
United Kingdom (United Kingdom) uses BST at UTC+01:00, while EDT uses EDT at UTC-04:00. The IANA identifiers are Europe/London and America/New_York.
Does daylight saving time affect the United Kingdom–EDT difference?
Yes at the moment: United Kingdom is on daylight saving time and EDT is not, so the -5h gap shifts by an hour when exactly one of them changes clocks.
Which other cities share United Kingdom's time zone?
BST also covers London, Dublin, Lisbon, Accra, Reykjavik, Edinburgh, Casablanca, Dakar and 5 more.
Which countries use BST, United Kingdom's zone?
BST is used in United Kingdom, Ireland, Iceland, Portugal (mainland), Ghana, Senegal, Mali, Mauritania and 7 more.
Is there a day difference between United Kingdom and EDT?
Not normally. The -5h gap only pushes the date over the previous day.
What is the time difference between United Kingdom and EDT?
EDT is -5h from United Kingdom.
What timezone is United Kingdom in?
United Kingdom operates on its local timezone.
What timezone is EDT in?
EDT operates on its local timezone.
Which countries use GMT (Greenwich Mean Time)?
GMT is used in United Kingdom, Ireland, Iceland, Portugal (mainland), Ghana, Senegal, and 9 more countries.
Does GMT observe daylight saving time?
Yes, GMT switches to BST during summer months.
What are some interesting facts about GMT?
GMT is based on the Prime Meridian (0° longitude) passing through Greenwich, London. The Royal Observatory in Greenwich has been the reference point for GMT since 1884.
Which cities are in the EDT timezone?
Major cities in the EDT timezone include New York City, Washington D.C., Toronto, Miami, Philadelphia, Atlanta, Boston, Montreal.
What is the UTC offset for EDT?
Eastern Daylight Time (EDT) is at UTC-04:00. During daylight saving time, it shifts to EST.
What should I know about the EDT timezone?
EDT is observed from the second Sunday of March to the first Sunday of November. During EDT, the US East Coast is only 4 hours behind London (instead of 5).
When is it midnight in United Kingdom, what time is it in EDT?
When it is 12:00 AM (midnight) in United Kingdom (GMT), it is -5h later in EDT (EDT).
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See every conversion from United Kingdom →·See every conversion from EDT →