IST to AST Converter
Arabia Standard Time · Riyadh, Jeddah, Mecca, Medina
Also convert in reverse: AST to IST →
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IST to AST Conversion Table
Common IST times converted to Arabia Standard Time
| IST (UTC+05:30) | AST (UTC+03:00) | Note |
|---|---|---|
| 12:00 AM (midnight) | 9:30 PM | −1 day |
| 6:00 AM | 3:30 AM | |
| 9:00 AM | 6:30 AM | |
| 12:00 PM (noon) | 9:30 AM | |
| 3:00 PM | 12:30 PM | |
| 6:00 PM | 3:30 PM | |
| 9:00 PM | 6:30 PM | |
| 11:30 PM | 9:00 PM |
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About Arabia Standard Time
How to convert IST to AST
Indian Standard Time (IST) is UTC+5:30. Arabia Standard Time is UTC+03:00. To convert IST to AST, subtract 2.5 hours from your IST time.
For example, 12:00 PM IST = 9:30 AM AST .
Time Difference: India (IST) and Saudi Arabia
Indian Standard Time (IST) is UTC+5:30. Arabia Standard Time is UTC+03:00, making the difference IST −2:30 hrs. India does not observe Daylight Saving Time — IST stays fixed at UTC+5:30 year-round. If Saudi Arabia observes DST, the offset between IST and AST changes by 1 hour during the DST period (typically spring–autumn in the Northern Hemisphere).
⏰ Best overlap: 12:00 IST = 9:30 AM AST
Common IST Times in AST
| India (IST) | Saudi Arabia — AST | Day |
|---|---|---|
| 9:00 AM IST (India morning) | 6:30 AM AST | same day |
| 12:00 PM IST (India noon) | 9:30 AM AST | same day |
| 3:00 PM IST (India afternoon) | 12:30 PM AST | same day |
| 6:00 PM IST (India evening) | 3:30 PM AST | same day |
| 9:00 PM IST (India night) | 6:30 PM AST | same day |
Convert AST times to Indian Standard Time: AST to IST Converter →
India–Saudi Arabia Work Hour Overlap
Find the best meeting windows between India (IST) and Saudi Arabia — including shared business hours, DST shifts, and daily overlap charts.
View India–Saudi Arabia Overlap →