SET DATEFIRST return the specified first day of each week. The U.S. English default is 7, Sunday.
@@Datefirst Syntax
@@DATEFIRST;
@@Datefirst Example
				
				SELECT @@SERVERNAME AS 'Server Name',
				
			
@@DATEFIRST AS 'First Day';
				
| Server Name | First Day | 
|---|---|
| TEST | 7 | 
See also: 
 
				T-SQL Functions  ->
				@@MAX_CONNECTIONS