What is the time difference between AST and PKT?

PKT is 9h 0m ahead of AST. AST is UTC-4 and PKT is UTC+5.

Does AST change for daylight saving time?

AST is a fixed offset of UTC-4 and does not itself change for daylight saving time.

PKT is 9h 0m ahead of AST. When it's 12:00 PM AST, it's 9:00 PM PKT.

From

AST · UTC-4

12:09:48AM

Atlantic Standard Time

PKT · UTC+5

9:09:48AM

Pakistan Standard Time

9:00 AM AST=6:00 PM PKT

12:00 PM AST=9:00 PM PKT

5:00 PM AST=2:00 AM(+1 day) PKT

Shaded rows are within standard working hours (8am–6pm) on both sides.

What is the time difference between AST and PKT?: PKT is 9h 0m ahead of AST. AST is UTC-4 and PKT is UTC+5.
What is 12:00 PM AST in PKT?: 12:00 PM AST is 9:00 PM PKT.
Does AST change for daylight saving time?: AST is a fixed offset of UTC-4 and does not itself change for daylight saving time.