MATLAB Function Reference Volume 1: A - E - Bad Request

datenum
2datenum
Purpose Serial date number
Syntax N = datenum(DT)
N = datenum(DT,P)
N = datenum(Y,M,D)
N = datenum(Y,M,D,H,MI,S)
Description The datenum function converts date strings and date vectors (defined by
datevec) into serial date numbers. Date numbers are serial days elapsed from
some reference date. By default, the serial day 1 corresponds to 1-Jan-0000.
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N = datenum(DT) converts the date string or date vector DT into a serial date
number. Date strings with two-character years, e.g., 12-june-12, are assumed
to lie within the 100-year period centered about the current year.
Note If DT is a string, it must be in one of the date formats 0, 1, 2, 6, 13, 14,
15, or 16 as defined by datestr.
N = datenum(DT,P) uses the specified pivot year as the starting year of the
100-year range in which a two-character year resides. The default pivot year is
the current year minus 50 years.
N = datenum(Y,M,D) returns the serial date number for corresponding
elements of the Y, M, and D (year, month, day) arrays. Y, M, and D must be arrays
of the same size (or any can be a scalar). Values outside the normal range of
each array are automatically “carried” to the next unit.
N = datenum(Y,M,D,H,MI,S) returns the serial date number for
corresponding elements of the Y, M, D, H, MI, and S (year, month, hour, minute,
and second) array values. Y, M, D, H, MI, and S must be arrays of the same size
(or any can be a scalar).