Write out the name of the month. It is not considered good form to abbreviate names of the months in either the heading or the body of the letter.
Use figures for the day of he month and for the year, but not for the month. E.g. June 4, 20-
never give the date in figures(e.g.6/4/20 or 6-4-20), for it is in bad taste and it may result in misunderstanding. he order differs as follows
However, figures can be used in brief notes