Time zone converter
GST to AST
Convert Gulf Time — Dubai to Arabia Time — Riyadh — fast, accurate, and daylight-saving aware.
When it's 9:00 AM in Dubai, it's 8:00 AM in Riyadh. Riyadh is 1 hour behind Dubai. Use the converter above to turn any GST time into AST, or scan the hour-by-hour table below for the full day.
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Gulf Time — Dubai ·
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Arabia Time — Riyadh ·
Convert a specific timein Dubai → — in Riyadh
GST to AST at a glance
9:00 AM GST
8:00 AM
AST · Riyadh
12:00 PM GST
11:00 AM
AST · Riyadh
5:00 PM GST
4:00 PM
AST · Riyadh
Planning a meeting between Dubai and Riyadh
Planning a call between Dubai and Riyadh? The best overlap during a standard 9-to-5 workday runs 10:00 AM–5:00 PM GST (9:00 AM–4:00 PM AST). Aim for that window to reach both sides during business hours.
Hour-by-hour: Dubai to Riyadh
A full day mapped from GST to AST.
Frequently asked
Is Riyadh ahead of or behind Dubai?
Riyadh is 1 hour behind Dubai.
What is 12:00 PM GST in AST?
12:00 PM in Dubai is 11:00 AM in Riyadh.
Does this converter account for daylight saving time?
Yes. Conversions use the IANA time zone database, so GST and AST automatically reflect the correct daylight-saving offset for the current date.