Greenwich Mean Time (gmt) is used in United Kingdom. The IANA timezone identifier is Europe/London.

GMT to NEW-YORK Time Converter

Q: Where is new-york used?

NEW-YORK (New York) (new-york) is used in USA. The IANA timezone identifier is America/New_York.

Greenwich Mean Time → NEW-YORK (New York)

GMT = UTC+1NEW-YORK = UTC-4

ClockinSync

BASE

09:00

Work Clients Team +

00:0006:0012:0018:0024:00

New York

USA · -5h

04:00

Tokyo

Japan · +8h

17:00

Dubai

United Arab Emirates · +3h

12:00

Sydney

Australia · +9h

18:00

Paris

France · +1h

10:00

GMT (London) vs New York — time difference

GMT (London) is 5 hours ahead of New York. When GMT (London) clocks hit noon, New York reads 07:00.

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

Shared working hours

Every working day, GMT (London) and New York are both in business hours for 3 hours simultaneously.

00:0006:0012:0018:0024:00

GMT (London)

New York

Overlap (3h)

Optimal meeting slots

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

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

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

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

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

Holiday calendar for both locations

⚡ Both locations have upcoming holidays, check availability before scheduling.

GMT (London)6 holidays

Jul 13Battle of the Boyne

Aug 3Summer Bank Holiday

Aug 31Summer Bank Holiday

Nov 30Saint Andrew's Day

Dec 25Christmas Day

New York7 holidays

Jul 3Independence DaySOON

Sep 7Labour Day

Oct 12Columbus Day

Oct 12Indigenous Peoples' Day

Nov 11Veterans Day

Working across GMT (London) and New York

Coordinating between GMT (London) (United Kingdom) and New York (USA) 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.

💡 Best practice for cross-timezone meetings

✅

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

✅

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

✅

Schedule at 16:00–17:00 (GMT (London)) for a 11:00–12:00 slot in New York — 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 GMT (London) time instantly. You can also type natural language like "3pm", "15:00", or a location name to get an immediate answer.

GMT (London) ↔ NEW-YORK (New York)

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

GMT (London)

NEW-YORK (New York)

00:00

19:00-1d

01:00

20:00-1d

02:00

21:00-1d

03:00

22:00-1d

04:00

23:00-1d

05:00

00:00

06:00

01:00

07:00

02:00

08:00

03:00

09:00Working

04:00off

10:00Working

05:00off

11:00Working

06:00off

12:00Working

07:00off

13:00Working

08:00off

14:00Working

09:00Working

15:00Working

10:00Working

16:00Working

11:00Working

17:00

12:00Working

18:00

13:00Working

19:00

14:00Working

20:00

15:00Working

21:00

16:00Working

22:00

17:00

23:00

18:00

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

Frequently Asked Questions

What is the difference between gmt and new-york?

Greenwich Mean Time (gmt) is UTC+1 and NEW-YORK (New York) (new-york) is UTC-4. The difference between them is 5 hours.

Where is gmt used?

Greenwich Mean Time (gmt) is used in United Kingdom and surrounding regions. The IANA timezone identifier is Europe/London.

Where is new-york used?

NEW-YORK (New York) (new-york) is used in USA and surrounding regions. The IANA timezone identifier is America/New_York.

How do I convert gmt to new-york?

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

Popular GMT conversions

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

Popular NEW-YORK conversions

London → NEW-YORK Tokyo → NEW-YORK Dubai → NEW-YORK Sydney → NEW-YORK Paris → NEW-YORK Berlin → NEW-YORK Singapore → NEW-YORK Los Angeles → NEW-YORK Toronto → NEW-YORK Mumbai → NEW-YORK