• declare @emp table

    (empid int identity(1,1) primary key clustered, dob datetime not null)

    insert into @emp (dob)

    SELECT convert(datetime,'1962-12-11 00:00:00.000') AS dob UNION ALL

    SELECT convert(datetime,'1958-03-28 00:00:00.000') AS dob UNION ALL

    SELECT convert(datetime,'1960-02-29 00:00:00.000') AS dob UNION ALL

    SELECT convert(datetime,'1990-08-30 00:00:00.000') AS dob UNION ALL

    SELECT convert(datetime,'1990-09-03 00:00:00.000') AS dob UNION ALL

    SELECT convert(datetime,'1990-09-04 00:00:00.000') AS dob UNION ALL

    SELECT convert(datetime,'1985-09-05 00:00:00.000') AS dob UNION ALL

    SELECT convert(datetime,'1985-09-10 00:00:00.000') AS dob UNION ALL

    SELECT convert(datetime,'1985-09-11 00:00:00.000')

    select

    a.*,

    BirthdayThisYear = dateadd(yy,datediff(yy,dob,getdate()),dob)

    from

    @emp a

    where

    --Birthday between tomorrow and 7 days from today

    datediff(dd,getdate(),dateadd(yy,datediff(yy,dob,getdate()),dob))

    between 1 and 7

    Results:

    empid dob BirthdayThisYear

    ----------- ----------------------- -----------------------

    6 1990-09-04 00:00:00.000 2010-09-04 00:00:00.000

    7 1985-09-05 00:00:00.000 2010-09-05 00:00:00.000

    8 1985-09-10 00:00:00.000 2010-09-10 00:00:00.000