Install libdatetime-calendar-julian-perl by entering the following commands in the terminal:
sudo apt update sudo apt install libdatetime-calendar-julian-perl
Description:
Julian calendar complement for DateTime
DateTime::Calendar::Julian implements the Julian Calendar. DateTime::Calendar::Julian implements all methods of DateTime; see the DateTime(3) manpage for all methods.
Homepage: https://metacpan.org/release/DateTime-Calendar-Julian
Version: 0.04-1
Section: universe/perl