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DATEFIRST « Date Functions « SQL Server / T-SQL Tutorial
SQL Server / T-SQL Tutorial
Date Functions
DATEFIRST
10.5.DATEFIRST
10.5.1.
To change the first day value, you can use the SET DATEFIRST command.
10.5.2.
Using SQL Server's First Day of the Week Setting
10.5.3.
SELECT DATEPART(weekday, CAST('20051004' AS DATETIME) + @@DATEFIRST);