GMT to London Time ConverterFind the Best Time

Convert Greenwich Mean Time to London instantly.
Scroll the timeline to check any hour of the day.

Greenwich Mean Time GMT
11:09 AM Nov 11
London GMT
11:09 AM Nov 11

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How the GMT to London time difference works

London is the same time as GMT. Greenwich Mean Time (GMT) is the fixed UTC+0 reference time, used by the United Kingdom and Ireland in winter. London (GMT) is a city in United Kingdom. For example, 9:00 AM GMT is 9:00 AM London. Scroll the timeline above to convert any moment, or use the chart below for a quick reference.

Time difference
None
Daylight saving
London only
GMT offset
UTC+0
London offset
UTC+0

GMT to London conversion chart

Greenwich Mean Time (GMT) London (GMT)
12:00 AM 12:00 AM
1:00 AM 1:00 AM
2:00 AM 2:00 AM
3:00 AM 3:00 AM
4:00 AM 4:00 AM
5:00 AM 5:00 AM
6:00 AM 6:00 AM
7:00 AM 7:00 AM
8:00 AM 8:00 AM
9:00 AM 9:00 AM
10:00 AM 10:00 AM
11:00 AM 11:00 AM
12:00 PM 12:00 PM
1:00 PM 1:00 PM
2:00 PM 2:00 PM
3:00 PM 3:00 PM
4:00 PM 4:00 PM
5:00 PM 5:00 PM
6:00 PM 6:00 PM
7:00 PM 7:00 PM
8:00 PM 8:00 PM
9:00 PM 9:00 PM
10:00 PM 10:00 PM
11:00 PM 11:00 PM
Best time to meet

A standard 9 to 5 workday overlaps from 9:00 AM to 5:00 PM GMT (9:00 AM to 5:00 PM London). Schedule inside that window to catch both coasts during business hours.

Cities in each time zone

Greenwich Mean Time (GMT)
LondonDublinLisbonEdinburghManchester
London (GMT)
BirminghamLiverpoolGlasgowBristolLeedsBelfast

GMT to London questions

Is London ahead of or behind GMT?
London is the same time as GMT. So 9:00 AM GMT is 9:00 AM London, and 5:00 PM GMT is 5:00 PM London.
What time is it in London when it is 12:00 PM GMT?
When it is 12:00 PM (noon) GMT in Greenwich Mean Time, it is 12:00 PM London in London.
How many hours difference is there between GMT and London?
GMT and London are in the same time zone, so there is no time difference.
Do GMT and London observe daylight saving time?
London observes daylight saving time but Greenwich Mean Time does not, so the difference between them changes by an hour twice a year. The United Kingdom and Ireland use GMT only in winter; from late March to late October they switch to British Summer Time (BST), one hour ahead of GMT.
What is the best time to schedule a meeting between GMT and London?
A standard 9-to-5 workday overlaps from 9:00 AM to 5:00 PM GMT (9:00 AM to 5:00 PM London). Scheduling inside that window keeps the call during business hours in both Greenwich Mean Time and London.
Which cities use GMT and London?
Greenwich Mean Time (GMT) covers cities such as London, Dublin, Lisbon, Edinburgh, Manchester. London (GMT) covers cities such as Birmingham, Liverpool, Glasgow, Bristol, Leeds, Belfast.

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