What is the time difference between HST and AST?

AST is 6h 0m ahead of HST. HST is UTC-10 and AST is UTC-4.

HST to AST Converter

AST is 6h 0m ahead of HST. When it's 12:00 PM HST, it's 6:00 PM AST.

From

HST · UTC-10

6:09:47PM

Hawaii Standard Time

AST · UTC-4

12:09:47AM

Atlantic Standard Time

9:00 AM HST=3:00 PM AST

12:00 PM HST=6:00 PM AST

5:00 PM HST=11:00 PM AST

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

Hawaii does not observe daylight saving time, so HST (UTC−10) applies year-round.

What is the time difference between HST and AST?: AST is 6h 0m ahead of HST. HST is UTC-10 and AST is UTC-4.
What is 12:00 PM HST in AST?: 12:00 PM HST is 6:00 PM AST.
Does HST change for daylight saving time?: Hawaii does not observe daylight saving time, so HST (UTC−10) applies year-round.