Install libdatetime-format-rfc3339-perl by entering the following commands in the terminal:
sudo apt update sudo apt install libdatetime-format-rfc3339-perl
Description:
module to parse and format RFC3339 datetime strings
DateTime::Format::RFC3339 understands the RFC3339 date/time format, an ISO 8601 profile, defined at http://tools.ietf.org/html/rfc3339. . It can be used to parse these formats in order to create the appropriate objects.
Homepage: https://metacpan.org/release/DateTime-Format-RFC3339
Version: 1.2.0-1
Section: universe/perl