...
WHERE datetime_column >= @StartDate_set_to_0800_AM AND
datetime_column < DATEADD(DAY, 1, @EndDate_set_to_midnight) AND
DATEPART(HOUR, datetime_column) BETWEEN 8 AND 16
SQL DBA,SQL Server MVP(07, 08, 09) A socialist is someone who will give you the shirt off *someone else's* back.