isMonthStart

Syntax

isMonthStart(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 month.

Examples

$ isMonthStart(2012.05.01);
true

$ isMonthStart([2012.05.01,2012.05.02]);
[true,false]

Related function: isMonthEnd