Riyadh to Bangkok Time
AST to ICT Converter — 9 AM AST is 1:00 PM ICT
Riyadh is 4 hours behind Bangkok. Convert any time between Riyadh (AST) and Bangkok (ICT) instantly.
Riyadh
Saudi Arabia
Bangkok
Thailand
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Time Zone Comparison
Riyadh to Bangkok Time Conversion Table
| Riyadh (AST) | Bangkok (ICT) |
|---|---|
| 12:00 AM | 4:00 AM |
| 2:00 AM | 6:00 AM |
| 4:00 AM | 8:00 AM |
| 6:00 AM | 10:00 AM |
| 8:00 AM | 12:00 PM |
| 10:00 AM | 2:00 PM |
| 12:00 PM | 4:00 PM |
| 2:00 PM | 6:00 PM |
| 4:00 PM | 8:00 PM |
| 6:00 PM | 10:00 PM |
| 8:00 PM | 12:00 AM |
| 10:00 PM | 2:00 AM |
Riyadh & Bangkok — Business & Scheduling Guide
Riyadh (Saudi Arabia) is the largest economy in the Middle East, with key industries in oil & gas, construction, finance, and tourism under Vision 2030. Bangkok (Thailand) is an important regional economy, known for diverse sectors including services and trade. With a 4-hour time difference, professionals frequently schedule cross-border calls between these two cities for international trade, remote team collaboration, and client meetings.
Scheduling Meetings Between Riyadh and Bangkok
The 4-hour difference between Riyadh and Bangkok requires careful scheduling. The best overlap window is typically 2–4 hours when both cities are within working hours. Saudi business hours typically run 9 AM–5 PM Sunday–Thursday, with business often conducted over meals. Business hours typically follow a 9 AM–5 PM schedule. Teams often designate specific "overlap hours" for real-time collaboration and use asynchronous communication (Slack, email, recorded video) for the rest of the day.
Daylight Saving Time Considerations
Neither Riyadh nor Bangkok observes Daylight Saving Time — Riyadh stays on AST and Bangkok stays on ICT year-round. This makes scheduling between these two cities simpler, as the 4-hour time difference remains constant throughout the year with no DST surprises.
AST to ICT — Quick Reference
AST (AST) stands for the timezone used in Riyadh, Saudi Arabia (UTC+3). ICT (ICT) is the timezone used in Bangkok, Thailand (UTC+7). Riyadh is 4 hours behind Bangkok.
To convert AST to ICT, add 4 hours to AST time. For example, AST 9:00 AM = ICT 1:00 PM.
Key Facts
- •Time difference: Riyadh (UTC+3) is 4 hours behind Bangkok (UTC+7).
- •Daylight Saving Time: Riyadh does not observe DST (AST). Bangkok does not observe DST (ICT).
- •Regions: Riyadh is located in Saudi Arabia and uses the AST time zone. Bangkok is located in Thailand and uses the ICT time zone.
- •Best time to call: The best time to call between Riyadh and Bangkok is 9:00 AM to 12:00 PM in Riyadh time, when both cities have overlapping standard working hours.
Frequently Asked Questions
What is the time difference between Riyadh and Bangkok?
Riyadh is 4 hours behind Bangkok.
What time is it in Bangkok when it's 9 AM in Riyadh?
When it's 9:00 AM in Riyadh, it is 1:00 PM in Bangkok.
What time is 9 PM AST in ICT?
9 PM AST (Riyadh time) is 1:00 AM ICT (Bangkok time). This is a common time people check when scheduling evening calls across these two time zones.
When is the best time to schedule a meeting between Riyadh and Bangkok?
The best time to schedule a meeting is between 9:00 AM to 12:00 PM in Riyadh time, when both cities are within standard working hours (9 AM – 5 PM). This gives you the maximum overlap window for real-time collaboration.
How do I convert AST to ICT?
AST (AST) is the timezone for Riyadh, Saudi Arabia (UTC+3). ICT (ICT) is the timezone for Bangkok, Thailand (UTC+7). Riyadh is 4 hours behind Bangkok. Quick examples: 9 AM AST = 1:00 PM ICT, 12 PM AST = 4:00 PM ICT, 3 PM AST = 7:00 PM ICT, 6 PM AST = 10:00 PM ICT.
Is Riyadh ahead of or behind Bangkok?
Riyadh is 4 hours behind Bangkok. When it's noon in Riyadh, it's 4:00 PM in Bangkok.
Does Riyadh or Bangkok change clocks for Daylight Saving Time?
No, Riyadh does not observe DST — it stays on AST year-round. Bangkok does not observe DST — it stays on ICT year-round.
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