Time zone converter
CST to AST
Convert Taiwan Time — Taipei to Arabia Time — Riyadh — fast, accurate, and daylight-saving aware.
When it's 9:00 AM in Taipei, it's 4:00 AM in Riyadh. Riyadh is 5 hours behind Taipei. Use the converter above to turn any CST time into AST, or scan the hour-by-hour table below for the full day.
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Taiwan Time — Taipei ·
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Arabia Time — Riyadh ·
Convert a specific timein Taipei → — in Riyadh
CST to AST at a glance
9:00 AM CST
4:00 AM
AST · Riyadh
12:00 PM CST
7:00 AM
AST · Riyadh
5:00 PM CST
12:00 PM
AST · Riyadh
Planning a meeting between Taipei and Riyadh
Planning a call between Taipei and Riyadh? The best overlap during a standard 9-to-5 workday runs 2:00 PM–5:00 PM CST (9:00 AM–12:00 PM AST). Aim for that window to reach both sides during business hours.
Hour-by-hour: Taipei to Riyadh
A full day mapped from CST to AST.
Frequently asked
Is Riyadh ahead of or behind Taipei?
Riyadh is 5 hours behind Taipei.
What is 12:00 PM CST in AST?
12:00 PM in Taipei is 7:00 AM in Riyadh.
Does this converter account for daylight saving time?
Yes. Conversions use the IANA time zone database, so CST and AST automatically reflect the correct daylight-saving offset for the current date.