The Elapsed Time Calculator
by Arthur A. Merrill, C.M.T.
Veteran technician Arthur Merrill explains how to derive the number of days, actual or calendar,
between two dates using a simple table and some elementary steps.
Do you need to know the number of calendar days between two dates? Do you need to know the
number of days to the expiration of a futures contract to calculate fair value? Do you need to know the
number of calendar days between two peaks or two troughs to estimate cycle length? Do you need to
know the number of days between two dates to calculate interest due?
If so, this table will give you the answer. It's easy. The table will give you a "day of the year" number,
which starts at March 1 to avoid some problems caused by leap year changes. Here's how it works: