What is the time difference between AST and SGT?

SGT is 12h 0m ahead of AST. AST is UTC-4 and SGT is UTC+8.

What is 12:00 PM AST in SGT?

12:00 PM AST is 12:00 AM (+1 day) SGT.

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

SGT is 12h 0m ahead of AST. When it's 12:00 PM AST, it's 12:00 AM (+1 day) SGT.

From

AST · UTC-4

12:09:48AM

Atlantic Standard Time

SGT · UTC+8

12:09:48PM

Singapore Time

9:00 AM AST=9:00 PM SGT

12:00 PM AST=12:00 AM(+1 day) SGT

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

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

What is the time difference between AST and SGT?: SGT is 12h 0m ahead of AST. AST is UTC-4 and SGT is UTC+8.
What is 12:00 PM AST in SGT?: 12:00 PM AST is 12:00 AM (+1 day) SGT.
Does AST change for daylight saving time?: AST is a fixed offset of UTC-4 and does not itself change for daylight saving time.