SQL Server DATENAME Function

DATENAME – returns a string corresponding to the datepart specified

SELECT DATENAME(YEAR, GETDATE())        AS 'Year';        
SELECT DATENAME(QUARTER, GETDATE())     AS 'Quarter';     
SELECT DATENAME(MONTH, GETDATE())       AS 'Month';       
SELECT DATENAME(DAYOFYEAR, GETDATE())   AS 'DayOfYear';   
SELECT DATENAME(DAY, GETDATE())         AS 'Day';         
SELECT DATENAME(WEEK, GETDATE())        AS 'Week';        
SELECT DATENAME(WEEKDAY, GETDATE())     AS 'WeekDay';     
SELECT DATENAME(HOUR, GETDATE())        AS 'Hour';        
SELECT DATENAME(MINUTE, GETDATE())      AS 'Minute';      
SELECT DATENAME(SECOND, GETDATE())      AS 'Second';      
SELECT DATENAME(MILLISECOND, GETDATE()) AS 'MilliSecond'; 
SELECT DATENAME(MICROSECOND, GETDATE()) AS 'MicroSecond'; 
SELECT DATENAME(NANOSECOND, GETDATE())  AS 'NanoSecond';  
SELECT DATENAME(ISO_WEEK, GETDATE())    AS 'Week';