You could use DatePart()
DATEPART
Returns an integer representing the specified datepart of the specified date.
Syntax
DATEPART ( datepart , date )
Arguments
datepart
Is the parameter that specifies the part of the date to return. The table lists dateparts and abbreviations recognized by Microsoft® SQL Server™.
Datepart Abbreviations
year yy, yyyy
quarter qq, q
month mm, m
dayofyear dy, y
day dd, d
week wk, ww
weekday dw
hour hh
minute mi, n
second ss, s
millisecond ms
Hope this helps....