Date.date_diff
date_diffend period
Group: DateTime
Documentation
Computes a time difference between the two dates. It returns an integer expressing how many periods fit between the two dates. The difference will be positive if end is greater than self. Produces a warning for a Date that is before epoch start. See Date_Time.enso_epoch_start.
Arguments
end: A date to compute the difference from.period: The period to compute the difference in.