March is the month that comes before April
October is three months after July.
The month of May is both 10 months after, and 2 months before, July.
June is precedes July and August follows July.
June
july
By July means before July 1st, and On July means with the month of July
July-August
July, 2010.
July = 7th August = 8th
The month of May is both 10 months after, and 2 months before, July.
After
The third Saturday of the month.