ChronoMatrics
GMT to BST Time Converter
Etc/GMT → Europe/London — DST handled automatically
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About GMT to BST conversion
This converter translates any time from GMT (Etc/GMT) to BST (Europe/London). Daylight saving time is applied automatically using IANA timezone rules, so the result is always accurate regardless of the time of year. Use it to schedule meetings, coordinate calls or plan travel across these two time zones.
For other time zone combinations, use the full Time Zone Converter which supports dozens of time zones worldwide.
Frequently asked questions
How do I convert GMT to BST?
Use the converter above. Enter the time in GMT (Etc/GMT) and the tool instantly shows the equivalent time in BST (Europe/London), with daylight saving time applied automatically.
What is the time difference between GMT and BST?
The offset between GMT and BST varies depending on the time of year because one or both zones may observe daylight saving time. The converter always calculates the current offset accurately.
Does GMT to BST change with daylight saving time?
Yes, if either zone observes DST the offset between them changes twice a year. This converter uses real IANA timezone rules so the result is always correct regardless of DST.