London to GMT Time Converter
Convert London to Greenwich Mean Time instantly.
Scroll the timeline to check any hour of the day.
London
GMT
7:56
Greenwich Mean Time
GMT
6:56
London is on daylight savings (BST) right now, while GMT stays at UTC+0 all year.
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How the London to GMT time difference works
GMT is 1 hour behind London. London (GMT) is a city in United Kingdom. Greenwich Mean Time (GMT) is the fixed UTC+0 reference time, used by the United Kingdom and Ireland in winter. For example, 9:00 AM London is 8:00 AM GMT. Scroll the timeline above to convert any moment, or use the chart below for a quick reference.
Time difference
1 hour
Daylight saving
London only
London offset
UTC+0
GMT offset
UTC+0
London to GMT conversion chart
| London (GMT) | Greenwich Mean Time (GMT) |
|---|---|
| 12:00 AM | 11:00 PM -1 day |
| 1:00 AM | 12:00 AM |
| 2:00 AM | 1:00 AM |
| 3:00 AM | 2:00 AM |
| 4:00 AM | 3:00 AM |
| 5:00 AM | 4:00 AM |
| 6:00 AM | 5:00 AM |
| 7:00 AM | 6:00 AM |
| 8:00 AM | 7:00 AM |
| 9:00 AM | 8:00 AM |
| 10:00 AM | 9:00 AM |
| 11:00 AM | 10:00 AM |
| 12:00 PM | 11:00 AM |
| 1:00 PM | 12:00 PM |
| 2:00 PM | 1:00 PM |
| 3:00 PM | 2:00 PM |
| 4:00 PM | 3:00 PM |
| 5:00 PM | 4:00 PM |
| 6:00 PM | 5:00 PM |
| 7:00 PM | 6:00 PM |
| 8:00 PM | 7:00 PM |
| 9:00 PM | 8:00 PM |
| 10:00 PM | 9:00 PM |
| 11:00 PM | 10:00 PM |
Best time to meet
A standard 9 to 5 workday overlaps from 10:00 AM to 5:00 PM London (9:00 AM to 4:00 PM GMT). Schedule inside that window to catch both coasts during business hours.
Cities in each time zone
London (GMT)
BirminghamLiverpoolGlasgowBristolLeedsBelfast
Greenwich Mean Time (GMT)
LondonDublinLisbonEdinburghManchester
London to GMT questions
Is GMT ahead of or behind London?
GMT is 1 hour behind London. So 9:00 AM London is 8:00 AM GMT, and 5:00 PM London is 4:00 PM GMT.
What time is it in GMT when it is 12:00 PM London?
When it is 12:00 PM (noon) London in London, it is 11:00 AM GMT in Greenwich Mean Time.
How many hours difference is there between London and GMT?
There is a 1 hour difference. Greenwich Mean Time (GMT) runs 1 hour behind London (GMT).
Do London and GMT 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 London and GMT?
A standard 9-to-5 workday overlaps from 10:00 AM to 5:00 PM London (9:00 AM to 4:00 PM GMT). Scheduling inside that window keeps the call during business hours in both London and Greenwich Mean Time.
Which cities use London and GMT?
London (GMT) covers cities such as Birmingham, Liverpool, Glasgow, Bristol, Leeds, Belfast. Greenwich Mean Time (GMT) covers cities such as London, Dublin, Lisbon, Edinburgh, Manchester.