The following T-SQL statement shows how output the day from a date as an ordinal number (st, nd, rd, th).
For example, 16 March 2019 would output 16th.
How do I use this? Replace Getdate() with your date field.
SELECT Cast( Day( Getdate() ) AS VARCHAR(10)) + CASE WHEN Day( Getdate() ) % 10 = 1 AND Day( Getdate() ) % 100 <> 11 THEN 'st' WHEN Day( Getdate() ) % 10 = 2 AND Day( Getdate() ) % 100 <> 12 THEN 'nd' WHEN Day( Getdate() ) % 10 = 3 AND Day( Getdate() ) % 100 <> 13 THEN 'rd' ELSE 'th' END AS Day_Place