EST to United Kingdom
+6hEST
ESTSOURCEUnited Kingdom
BSTGreen rows indicate typical business hours (9 AM - 5 PM)
EST and BST on the World Map
The map below highlights the EST (Eastern Standard Time) and BST (Greenwich Mean Time) timezone regions across the globe.
EST – Eastern Standard Time
UTC-05:00Eastern Standard Time (EST) is the time zone for the eastern United States and Canada, 5 hours behind UTC.
- •EST is the most widely used time zone in the United States by population.
- •The New York Stock Exchange (NYSE) and NASDAQ operate on Eastern Time, opening at 9:30 AM EST.
- •23 US states are fully or partially in the Eastern Time Zone.
- •EST was established by the Standard Time Act of 1918.
- •Over 47% of the US population lives in the Eastern Time Zone.
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.
Understanding the +6h Gap: EST vs United Kingdom
EST runs on Eastern Standard Time (EST) at UTC-05:00. United Kingdom runs on British Summer Time (BST) at UTC+01:00, also currently on daylight saving time. That puts EST 6 hours ahead of United Kingdom — a difference of +6h at the current offsets.
In practice, when it is 9:00 AM in EST it is 3:00 PM in United Kingdom. Midnight in EST is 6:00 AM in United Kingdom.United Kingdom observes daylight saving time while EST does not, so the gap narrows or widens by an hour part of the year.
EST to United Kingdom time conversion table
| EST (EST) | United Kingdom (BST) | Day |
|---|---|---|
| 12:00 AM | 6:00 AM | same day |
| 6:00 AM | 12:00 PM | same day |
| 7:00 AM | 1:00 PM | same day |
| 8:00 AM | 2:00 PM | same day |
| 9:00 AM | 3:00 PM | same day |
| 12:00 PM | 6:00 PM | same day |
| 3:00 PM | 9:00 PM | same day |
| 5:00 PM | 11:00 PM | same day |
| 6:00 PM | 12:00 AM | next day |
| 9:00 PM | 3:00 AM | next day |
Why people convert EST to United Kingdom time
- Scheduling a call from EST to United Kingdom: a 10:00 AM start in EST lands at 4:00 PM in United Kingdom, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both EST and United Kingdom are inside the 9-to-5 working day between 9:00 AM and 11:00 AM EST time (3:00 PM–5:00 PM BST). That is roughly 2 hours of usable overlap.
- Watching a live event or market open: EST viewers need 3:00 PM in United Kingdom to catch a 9:00 AM start there, and 6:00 PM if the event is anchored to EST.
- Always state the zone abbreviation, not just the hour. "3:00 PM EST" is unambiguous; "3 PM" across a +6h gap is not.
- Block 9:00 AM–11:00 AM EST as the recurring meeting window if you work primarily from EST and need United Kingdom colleagues present.
- United Kingdom: Clocks fall back on Sun, Oct 25, 2026. Any meeting series spanning that date will shift by an hour in local time.
About EST (Eastern Standard Time)
Eastern Standard Time (EST) is observed during the winter months in the eastern part of North America. It covers 23 US states and parts of Canada including Ontario and Quebec. EST is the most populous time zone in the United States, home to major financial centers like New York City and global organizations headquartered in Washington D.C. During daylight saving time (March–November), clocks shift to Eastern Daylight Time (EDT, UTC-04:00). The time zone also covers parts of the Caribbean and Central America including Panama, Jamaica, and the Cayman Islands.
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.
Best time to call between EST and United Kingdom
Both EST and United Kingdom sit inside the 9 AM – 5 PM working day between 9:00 AM–11:00 AM EST, which is 3:00 PM–5:00 PM BST. That gives roughly 2 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
EST and United Kingdom overlap for about 2 hours during the working day — enough for meetings if you avoid the edges of the window.
EST is 6 hours ahead of United Kingdom (EST UTC-05:00 → BST UTC+01:00). The shared working window is 9:00 AM–11:00 AM EST. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
EST
☀ Currently in DST
Standard: UTC-05:00 · DST: UTC-04:00
Clocks fall back on Sun, Nov 1, 2026
United Kingdom
☀ Currently in DST
Standard: UTC+00:00 · DST: UTC+01:00
Clocks fall back on Sun, Oct 25, 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 EST and United Kingdom?
EST (EST, UTC-05:00) is 6 hours ahead of United Kingdom (BST, UTC+01:00). The gap is currently +6h.
How do I convert EST time to United Kingdom time?
Add +6h to EST local time. For example, 9:00 AM in EST is 3:00 PM in United Kingdom.
What time is it in United Kingdom right now?
United Kingdom uses BST at UTC+01:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +6h offset from EST.
What is the best time to call United Kingdom from EST?
Call between 9:00 AM and 11:00 AM EST — that maps to 3:00 PM–5:00 PM BST and keeps both parties inside the working day.
Which is ahead, EST or United Kingdom?
EST is 6 hours ahead of United Kingdom. When it is 12:00 PM in EST it is 6:00 PM in United Kingdom.
Do EST and United Kingdom use different time zones?
EST uses EST at UTC-05:00, while United Kingdom (United Kingdom) uses BST at UTC+01:00. The IANA identifiers are America/New_York and Europe/London.
Does daylight saving time affect the EST–United Kingdom difference?
Yes at the moment: United Kingdom is on daylight saving time and EST is not, so the +6h gap shifts by an hour when exactly one of them changes clocks.
Which other cities share EST's time zone?
EST also covers New York City, Washington D.C., Miami, Toronto, Philadelphia, Atlanta, Boston, Montreal and 8 more.
Which countries use EST, EST's zone?
EST is used in United States (Eastern), Canada (Ontario, Quebec), Mexico (Quintana Roo), Panama, Jamaica, Cayman Islands, Haiti, Bahamas and 4 more.
Is there a day difference between EST and United Kingdom?
Not normally. The +6h gap only pushes the date over for late-evening times.
What is the time difference between EST and United Kingdom?
United Kingdom is +6h from EST.
What timezone is EST in?
EST operates on its local timezone.
What timezone is United Kingdom in?
United Kingdom operates on its local timezone.
Which countries use EST (Eastern Standard Time)?
EST is used in United States (Eastern), Canada (Ontario, Quebec), Mexico (Quintana Roo), Panama, Jamaica, Cayman Islands, and 6 more countries.
Does EST observe daylight saving time?
Yes, EST switches to EDT during summer months.
What are some interesting facts about EST?
EST is the most widely used time zone in the United States by population. The New York Stock Exchange (NYSE) and NASDAQ operate on Eastern Time, opening at 9:30 AM EST.
Which cities are in the GMT timezone?
Major cities in the GMT timezone include London, Dublin, Lisbon, Accra, Reykjavik, Edinburgh, Casablanca, Dakar.
What is the UTC offset for GMT?
Greenwich Mean Time (GMT) is at UTC+00:00. During daylight saving time, it shifts to BST.
What should I know about the GMT timezone?
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.
When is it midnight in EST, what time is it in United Kingdom?
When it is 12:00 AM (midnight) in EST (EST), it is +6h later in United Kingdom (GMT).
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