AST to SLST
Convert Arabia Time — Riyadh to Sri Lanka Time — Colombo — fast, accurate, and daylight-saving aware.
When it's 9:00 AM in Riyadh, it's 11:30 AM in Colombo. Colombo is 2½ hours ahead of Riyadh. Use the converter above to turn any AST time into SLST, or scan the hour-by-hour table below for the full day.
AST to SLST at a glance
Planning a meeting between Riyadh and Colombo
Planning a call between Riyadh and Colombo? The best overlap during a standard 9-to-5 workday runs 9:00 AM–2:30 PM AST (11:30 AM–5:00 PM SLST). Aim for that window to reach both sides during business hours.
Hour-by-hour: Riyadh to Colombo
A full day mapped from AST to SLST.
Frequently asked
Is Colombo ahead of or behind Riyadh?
Colombo is 2½ hours ahead of Riyadh.
What is 12:00 PM AST in SLST?
12:00 PM in Riyadh is 2:30 PM in Colombo.
Does this converter account for daylight saving time?
Yes. Conversions use the IANA time zone database, so AST and SLST automatically reflect the correct daylight-saving offset for the current date.