Time zone converter
BST to AST
Convert Bangladesh Time — Dhaka to Arabia Time — Riyadh — fast, accurate, and daylight-saving aware.
When it's 9:00 AM in Dhaka, it's 6:00 AM in Riyadh. Riyadh is 3 hours behind Dhaka. Use the converter above to turn any BST time into AST, or scan the hour-by-hour table below for the full day.
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Bangladesh Time — Dhaka ·
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Arabia Time — Riyadh ·
Convert a specific timein Dhaka → — in Riyadh
BST to AST at a glance
9:00 AM BST
6:00 AM
AST · Riyadh
12:00 PM BST
9:00 AM
AST · Riyadh
5:00 PM BST
2:00 PM
AST · Riyadh
Planning a meeting between Dhaka and Riyadh
Planning a call between Dhaka and Riyadh? The best overlap during a standard 9-to-5 workday runs 12:00 PM–5:00 PM BST (9:00 AM–2:00 PM AST). Aim for that window to reach both sides during business hours.
Hour-by-hour: Dhaka to Riyadh
A full day mapped from BST to AST.
Frequently asked
Is Riyadh ahead of or behind Dhaka?
Riyadh is 3 hours behind Dhaka.
What is 12:00 PM BST in AST?
12:00 PM in Dhaka is 9:00 AM in Riyadh.
Does this converter account for daylight saving time?
Yes. Conversions use the IANA time zone database, so BST and AST automatically reflect the correct daylight-saving offset for the current date.