See under standard time.
double standardRead more in this article about some frequently asked questions and fun facts related to our definitions.
standard issueRead more in this article about some frequently asked questions and fun facts related to our definitions.
Origin of Atlantic time
First recorded in 1905–10
Also called Atlantic Standard Time.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Atlantic Standard Time
the local time used in eastern Canada, four hours behind Greenwich Mean TimeAbbreviation: AST
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012