(04-01-1998 3:43pm MONTHDAY.EXE)
MONTHDAY - (C) Copyright Glenn B. Lawler, 1996. All Rights Reserved.
Usage: [options] [Date]
Where: Date is in the form MM-DD-YYYY, default is machine date.
If an invalid Date is used, ERRORLEVEL is 0.
MONTHDAY writes the day number to the Standard Output device and
sets the ERRORLEVEL to a corresponding number.
/+n where n is a positive or negative number added to the date.