GMT to AST
Convert London Time — GMT/BST to Arabia Time — Riyadh — fast, accurate, and daylight-saving aware.
When it's 9:00 AM in London, it's 11:00 AM in Riyadh. Riyadh is 2 hours ahead of London. Use the converter above to turn any GMT time into AST, or scan the hour-by-hour table below for the full day.
GMT to AST at a glance
Planning a meeting between London and Riyadh
Planning a call between London and Riyadh? The best overlap during a standard 9-to-5 workday runs 9:00 AM–3:00 PM GMT (11:00 AM–5:00 PM AST). Aim for that window to reach both sides during business hours.
Hour-by-hour: London to Riyadh
A full day mapped from GMT to AST.
Frequently asked
Is Riyadh ahead of or behind London?
Riyadh is 2 hours ahead of London.
What is 12:00 PM GMT in AST?
12:00 PM in London is 2:00 PM in Riyadh.
Does this converter account for daylight saving time?
Yes. Conversions use the IANA time zone database, so GMT and AST automatically reflect the correct daylight-saving offset for the current date.