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-e date

Set the account's expiration date. Format of the date is
either a UNIX time in decimal, or a date in `dd-mmm-yy[yy]'
format, where dd is the day, mmm is the month, either in
numeric or alphabetic format ('Jan', 'Feb', etc) and year
is either a two or four digit year. This option also
accepts a relative date in the form `+n[mhdwoy]' where `n'
is a decimal, octal (leading 0) or hexadecimal (leading 0x)
digit followed by the number of Minutes, Hours, Days,
Weeks, Months or Years from the current date at which the
expiration date is to be set.