GMT to London Time Converter
Convert Greenwich Mean Time to London instantly.
Scroll the timeline to check any hour of the day.
Greenwich Mean Time
GMT
9:29
London
BST
9:29
GMT and London are on daylight savings right now, shown as BST and BST.
Search any city, build a custom world clock, and plan across more time zones and options in the FlutterTime app. Free.
How the GMT to London time difference works
London is the same time as GMT. Greenwich Mean Time (GMT) is the time zone of the United Kingdom and Ireland. London (BST) 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
Both observe
GMT offset
UTC+0
London offset
UTC+0
GMT to London conversion chart
| Greenwich Mean Time (GMT) | London (BST) |
|---|---|
| 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 (BST)
Manchester (UK)BirminghamLiverpoolGlasgowLeedsBelfast
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?
Both Greenwich Mean Time and London 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 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 (BST) covers cities such as Manchester (UK), Birmingham, Liverpool, Glasgow, Leeds, Belfast.