What is the use of class date/time property

Question

What is the difference of class normal and date/time property and how to use in the script and what is the use of MINVAL and MAXVAL parameters?

Thanks

Answer 1

%Library.Date and %Library.Time are both DataType classes typically used to define Properties. The values are stored as integers according to $HOROLOG format They have its MINVAL and MAXVAL as any other numeric data type