isYearStart
Syntax
isYearStart(X)
Arguments
X is a scalar/vector of type DATE, DATEHOUR, DATETIME, TIMESTAMP or NANOTIMESTAMP.
Details
Determine if each element in X is the first day of a year.
Examples
$ isYearStart(2012.01.01);
true
$ isYearStart([2012.01.01,2012.02.01]);
[true,false]
Related function: isYearEnd