London to GMT Time Converter
Convert London to Greenwich Mean Time instantly.
Scroll the timeline to check any hour of the day.
London
BST
9:28
Greenwich Mean Time
GMT
9:28
London and GMT are on daylight savings right now, shown as BST and BST.
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How the London to GMT time difference works
GMT is the same time as London. London (BST) is a city in United Kingdom. Greenwich Mean Time (GMT) is the time zone of the United Kingdom and Ireland. For example, 9:00 AM London is 9:00 AM GMT. Scroll the timeline above to convert any moment, or use the chart below for a quick reference.
Time difference
None
Daylight saving
Both observe
London offset
UTC+0
GMT offset
UTC+0
London to GMT conversion chart
| London (BST) | Greenwich Mean Time (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 London (9:00 AM to 5:00 PM GMT). Schedule inside that window to catch both coasts during business hours.
Cities in each time zone
London (BST)
Manchester (UK)BirminghamLiverpoolGlasgowLeedsBelfast
Greenwich Mean Time (GMT)
LondonDublinLisbonEdinburghManchester
London to GMT questions
Is GMT ahead of or behind London?
GMT is the same time as London. So 9:00 AM London is 9:00 AM GMT, and 5:00 PM London is 5:00 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 12:00 PM GMT in Greenwich Mean Time.
How many hours difference is there between London and GMT?
London and GMT are in the same time zone, so there is no time difference.
Do London and GMT observe daylight saving time?
Both London and Greenwich Mean Time observe daylight saving time on the same dates, so they stay in sync all year.
What is the best time to schedule a meeting between London and GMT?
A standard 9-to-5 workday overlaps from 9:00 AM to 5:00 PM London (9:00 AM to 5:00 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 (BST) covers cities such as Manchester (UK), Birmingham, Liverpool, Glasgow, Leeds, Belfast. Greenwich Mean Time (GMT) covers cities such as London, Dublin, Lisbon, Edinburgh, Manchester.