ART to GMT
Convert Argentina Time — Buenos Aires to London Time — GMT/BST — fast, accurate, and daylight-saving aware.
When it's 9:00 AM in Buenos Aires, it's 1:00 PM in London. London is 4 hours ahead of Buenos Aires. Use the converter above to turn any ART time into GMT, or scan the hour-by-hour table below for the full day.
ART to GMT at a glance
Planning a meeting between Buenos Aires and London
Planning a call between Buenos Aires and London? The best overlap during a standard 9-to-5 workday runs 9:00 AM–1:00 PM ART (1:00 PM–5:00 PM GMT). Aim for that window to reach both sides during business hours.
Hour-by-hour: Buenos Aires to London
A full day mapped from ART to GMT.
Frequently asked
Is London ahead of or behind Buenos Aires?
London is 4 hours ahead of Buenos Aires.
What is 12:00 PM ART in GMT?
12:00 PM in Buenos Aires is 4:00 PM in London.
Does this converter account for daylight saving time?
Yes. Conversions use the IANA time zone database, so ART and GMT automatically reflect the correct daylight-saving offset for the current date.