Riyadh
AST

Riyadh

Hong Kong
HKT

Hong Kong

Convert AST to HKT

Arabia Standard Time to Hong Kong Time Hong Kong is 5 hours ahead of Riyadh

RiyadhAST
4:42 AM
Tuesday, May 12, 2026
UTC+3
Hong KongHKT
9:42 AM
Tuesday, May 12, 2026
UTC+8

Quick Facts

Time Difference

+5 hours

AST Full Name

Arabia Standard Time

HKT Full Name

Hong Kong Time

AST to HKT Conversion Table

AST (Riyadh)
HKT (Hong Kong)
12:00 AM
5:00 AM
1:00 AM
6:00 AM
2:00 AM
7:00 AM
3:00 AM
8:00 AM
4:00 AM
9:00 AM
5:00 AM
10:00 AM
6:00 AM
11:00 AM
7:00 AM
12:00 PM
8:00 AM
1:00 PM
9:00 AM
2:00 PM
10:00 AM
3:00 PM
11:00 AM
4:00 PM
12:00 PM
5:00 PM
1:00 PM
6:00 PM
2:00 PM
7:00 PM
3:00 PM
8:00 PM
4:00 PM
9:00 PM
5:00 PM
10:00 PM
6:00 PM
11:00 PM
7:00 PM
12:00 AM(May 13)
8:00 PM
1:00 AM(May 13)
9:00 PM
2:00 AM(May 13)
10:00 PM
3:00 AM(May 13)
11:00 PM
4:00 AM(May 13)

Related Conversions

About AST and HKT Time Zones

AST (Arabia Standard Time) is UTC+3 and covers cities like Riyadh, Jeddah, Baghdad. HKT (Hong Kong Time) is UTC+8 and covers cities like Hong Kong.

When it's 12:00 PM (noon) in Riyadh (AST), it's 5:00 PM in Hong Kong (HKT). The time difference between AST and HKT is 5 hours Hong Kong is ahead of Riyadh.

The best meeting window is 2:00 PM–5:00 PM AST (9:00 AM–12:00 PM HKT).

Use our world clock tool to compare Riyadh and Hong Kong with a visual timeline, or browse more timezone conversions.

Frequently Asked Questions

What is the time difference between AST and HKT?

Hong Kong (HKT) is 5 hours ahead of Riyadh (AST). The offset is +5 hours.

Is HKT ahead or behind AST?

HKT is 5 hours ahead of AST. AST is UTC+3 and HKT is UTC+8.

When it's 12:00 PM in Riyadh, what time is it in Hong Kong?

When it's 12:00 PM (noon) in Riyadh (AST), it's 5:00 PM in Hong Kong (HKT).

When it's 5:00 PM in Riyadh, what time is it in Hong Kong?

When it's 5:00 PM in Riyadh (AST), it's 10:00 PM in Hong Kong (HKT).