Eastern Standard Time (est) is used in USA. The IANA timezone identifier is America/New_York.

EST to LONDON Time Converter

Q: Where is london used?

LONDON (London) (london) is used in United Kingdom. The IANA timezone identifier is Europe/London.

Eastern Standard Time → LONDON (London)

EST = UTC-4LONDON = UTC+1

ClockinSync

BASE

09:00

Work Clients Team +

00:0006:0012:0018:0024:00

London

United Kingdom · +5h

14:00

Tokyo

Japan · +13h

22:00

Dubai

United Arab Emirates · +8h

17:00

Sydney

Australia · +14h

23:00

Paris

France · +6h

15:00

EST (New York) vs London — time difference

EST (New York) is 5 hours behind London. Midday in EST (New York) lines up with 17:00 in London.

EST (New York) observes America/New_York and London observes Europe/London — a 5 hours gap between them.

Shared working hours

There is a 3-hour window each day where both EST (New York) and London are within standard business hours (09:00–17:00).

00:0006:0012:0018:0024:00

EST (New York)

London

Overlap (3h)

Optimal meeting slots

EST (New York) and London share 3 hours of business hours overlap daily.

09:00 New York / 14:00 London✓ Both working

10:00 New York / 15:00 London✓ Both working

11:00 New York / 16:00 London✓ Both working

Assumes a standard 9 AM–5 PM workday in each location's local timezone.

Upcoming public holidays

⚡ Watch out — upcoming holidays on both sides. Verify availability in advance.

EST (New York)7 holidays

Jul 3Independence DaySOON

Sep 7Labour Day

Oct 12Columbus Day

Oct 12Indigenous Peoples' Day

Nov 11Veterans Day

London6 holidays

Jul 13Battle of the Boyne

Aug 3Summer Bank Holiday

Aug 31Summer Bank Holiday

Nov 30Saint Andrew's Day

Dec 25Christmas Day

How to work with EST (New York) and London time zones

Coordinating between EST (New York) (USA) and London (United Kingdom) means working around a 5-hour time difference. The 3-hour overlap window gives both teams a natural slot for real-time collaboration without anyone working outside normal hours.

💡 How to schedule across these time zones

✅

Schedule at 09:00–10:00 (EST (New York)) for a 14:00–15:00 slot in London — the sweet spot where both teams are working.

✅

Schedule at 10:00–11:00 (EST (New York)) for a 15:00–16:00 slot in London — the sweet spot where both teams are working.

✅

Schedule at 11:00–12:00 (EST (New York)) for a 16:00–17:00 slot in London — the sweet spot where both teams are working.

Recurring meetings are particularly vulnerable to DST shifts. The ClockinSync Chrome Extension alerts you before the offset changes.

Install ClockinSync Free →

Drag the slider at the top to convert any EST (New York) time instantly. You can also type natural language like "3pm", "15:00", or a location name to get an immediate answer.

EST (New York) ↔ LONDON (London)

3h of business hours overlap daily (09:00–17:00)

EST (New York)

LONDON (London)

00:00

05:00

01:00

06:00

02:00

07:00

03:00

08:00

04:00

09:00Working

05:00

10:00Working

06:00

11:00Working

07:00

12:00Working

08:00

13:00Working

09:00Working

14:00Working

10:00Working

15:00Working

11:00Working

16:00Working

12:00Working

17:00off

13:00Working

18:00off

14:00Working

19:00off

15:00Working

20:00off

16:00Working

21:00off

17:00

22:00

18:00

23:00

19:00

00:00+1d

20:00

01:00+1d

21:00

02:00+1d

22:00

03:00+1d

23:00

04:00+1d

Working hours: 09:00–17:00 local. Green = both working. Purple = one side only.

Frequently Asked Questions

What is the difference between est and london?

Eastern Standard Time (est) is UTC-4 and LONDON (London) (london) is UTC+1. The difference between them is 5 hours.

Where is est used?

Eastern Standard Time (est) is used in USA and surrounding regions. The IANA timezone identifier is America/New_York.

Where is london used?

LONDON (London) (london) is used in United Kingdom and surrounding regions. The IANA timezone identifier is Europe/London.

How do I convert est to london?

Use the interactive converter above. Drag the time slider to any est time and the london equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.

Popular EST conversions

EST → London EST → Tokyo EST → Dubai EST → Sydney EST → Paris EST → Berlin EST → Singapore EST → Los Angeles EST → Toronto EST → Mumbai

Popular LONDON conversions

New York → LONDON Tokyo → LONDON Dubai → LONDON Sydney → LONDON Paris → LONDON Berlin → LONDON Singapore → LONDON Los Angeles → LONDON Toronto → LONDON Mumbai → LONDON