Daylight Saving Time used for Atlantic Standard Time (AST), for details check here. Newfoundland Standard Time period is over, currently Newfoundland Daylight Time is observed!
NST and AST Time Calculator
• Newfoundland Daylight Time Offset: UTC/GMT -2.5
• Atlantic Daylight Time Offset: UTC/GMT -3
» Newfoundland Standard Time Conversions
» Atlantic Standard Time Conversions