GMT to ART
Convert London Time — GMT/BST to Argentina Time — Buenos Aires — fast, accurate, and daylight-saving aware.
When it's 9:00 AM in London, it's 5:00 AM in Buenos Aires. Buenos Aires is 4 hours behind London. Use the converter above to turn any GMT time into ART, or scan the hour-by-hour table below for the full day.
GMT to ART at a glance
Planning a meeting between London and Buenos Aires
Planning a call between London and Buenos Aires? The best overlap during a standard 9-to-5 workday runs 1:00 PM–5:00 PM GMT (9:00 AM–1:00 PM ART). Aim for that window to reach both sides during business hours.
Hour-by-hour: London to Buenos Aires
A full day mapped from GMT to ART.
Frequently asked
Is Buenos Aires ahead of or behind London?
Buenos Aires is 4 hours behind London.
What is 12:00 PM GMT in ART?
12:00 PM in London is 8:00 AM in Buenos Aires.
Does this converter account for daylight saving time?
Yes. Conversions use the IANA time zone database, so GMT and ART automatically reflect the correct daylight-saving offset for the current date.