Install libdatetime-format-ical-perl by entering the following commands in the terminal:
sudo apt update sudo apt install libdatetime-format-ical-perl
Description:
Perl module to parse and format iCal datetime and duration strings
DateTime::Format::ICal understands the ICal date/time and duration formats, as defined in RFC 2445. It can be used to parse these formats in order to create the appropriate objects.
Homepage: https://metacpan.org/release/DateTime-Format-ICal
Version: 0.09-2
Section: universe/perl