_The Common Method._--When the time is long, generally 30 days are
considered a month.
_The Exact Method._--When the time is short, the exact number of days is
generally counted but we sometimes find the exact number of days also
when the time is long.
_The Bankers’ Method._--Bankers get the exact number of days between two
dates, but each day is reckoned as 1/360 of a year.
PROBLEM, when the time is long.
Find the time between April 12, 1895, and September 22, 1899.