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HKT to AST Time Zone Converter — Time Difference Between Hong Kong and Riyadh

Drag the slider or click the time display to type a specific hour and instantly convert HKT to AST. The time difference between Hong Kong and Riyadh is 5 hours — Riyadh (AST) is behind Hong Kong (HKT) (UTC+8:00 vs UTC+3:00); for example, 9:00 AM HKT = 4:00 AM AST; to convert, subtract 5 hours. Use this HKT to AST time zone converter to check the live current time in both cities, browse the 24-hour HKT to AST conversion table, plan international meetings, find the best overlap hours, and account for daylight saving time changes automatically.

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HKT

Hong Kong Time

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12am6am12pm6pm12am
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Arabia Standard Time is 5 hours behind Hong Kong Time

AST

Arabia Standard Time

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12am6am12pm6pm12am
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HKT to AST Time Zone Difference — Hour-by-Hour Conversion Table

Scan each row to convert any HKT time to AST and find the exact time difference between Hong Kong and Riyadh hour by hour. Amber-highlighted rows mark standard daytime business hours, making it easy to spot overlapping work windows for scheduling international meetings or remote team calls. Tap the arrows to jump between days, click "Today" to reset, and all daylight saving time transitions are handled automatically.

HKT (Hong Kong)AST (Riyadh)

What Time Is It Now in Hong Kong?

Live current local time in Hong Kong, Hong Kong — HKT (UTC+8:00). Updates every second.

Loading current HKT time...

What Time Is It Now in Riyadh?

Live current local time in Riyadh, Saudi Arabia — AST (UTC+3:00). Updates every second.

Loading current AST time...

HKT to AST Quick Reference

Common business hours in Hong Kong converted to Riyadh local time — handy for scheduling video calls, client meetings, and international conference calls.

6:00 AM HKT 1:00 AM AST
7:00 AM HKT 2:00 AM AST
8:00 AM HKT 3:00 AM AST
9:00 AM HKT 4:00 AM AST
10:00 AM HKT 5:00 AM AST
11:00 AM HKT 6:00 AM AST
12:00 PM HKT 7:00 AM AST
1:00 PM HKT 8:00 AM AST
2:00 PM HKT 9:00 AM AST
3:00 PM HKT 10:00 AM AST
4:00 PM HKT 11:00 AM AST
5:00 PM HKT 12:00 PM AST

HKT & AST Meeting Planner — Best Overlapping Hours

Use the color-coded conversion table above to find overlapping business hours between Hong Kong and Riyadh. Amber rows mark standard daytime work hours (8 AM–6 PM local time) — pick a slot that falls in amber on both sides for a meeting time that works for everyone. Since HKT (UTC+8:00) is 5 hours behind AST (UTC+3:00), this time zone meeting planner is ideal for scheduling international calls, remote team standups, and cross-border project syncs.

Why Trust This Hong Kong to Riyadh Time Zone Converter?

ConvertFlash uses the IANA Time Zone Database — the same authoritative source that powers your phone, browser, and every major operating system — so every Hong Kong to Riyadh conversion handles daylight saving time transitions, half-hour UTC offsets, and historical time zone changes automatically. The live world clock updates every second, and the hour-by-hour conversion table regenerates correctly for any past or future date you select, making it reliable for both real-time checks and advance international scheduling.

HKT — Hong Kong Time

Hong Kong, Hong Kong — UTC offset UTC+8:00

Abbreviation
HKT
UTC Offset
UTC+8:00
City
Hong Kong
Country
Hong Kong

AST — Arabia Standard Time

Riyadh, Saudi Arabia — UTC offset UTC+3:00

Abbreviation
AST
UTC Offset
UTC+3:00
City
Riyadh
Country
Saudi Arabia