Hello again eniad,
Well a simple example would answer your question:
#!/usr/bin/perl
use strict;
use warnings;
use Date::Manip;
use feature 'say';
my @dates = ( "2018-02-20 00:00:00",
"20180220",
"02/20/2018",
"02/20/18", # interpreted as 1918-02-20
"2018-02-20",
"today");
say UnixDate( ParseDate($_), "%Y-%m-%d") for (@dates);
__END__
$ perl test.pl
2018-02-20
2018-02-20
2018-02-20
2018-02-20
2018-02-20
2018-02-20
So in conclusion, yes the module can parse all the dates that you provided.
Update: If you want to know which date formats are acceptable from the module read here Date::Manip::Date/VALID DATE FORMATS. On the same link you will find time formats but also date and time formats combined.
Update 2: A minor similar example on how to parse time and print also time zone if you are interested:
#!/usr/bin/perl
use strict;
use warnings;
use Date::Manip;
use feature 'say';
my @dates = ( "2018-02-20 00:00:00",
"20180220",
"02/20/2018",
"02/20/18", # interpreted as 1918-02-20
"2018-02-20",
"today", # current date
"now" # current date with also time
);
say UnixDate( ParseDate($_), "%Y-%m-%d %T %Z") for (@dates);
__END__
$ perl test.pl in.txt
2018-02-20 00:00:00 CET
2018-02-20 00:00:00 CET
2018-02-20 00:00:00 CET
2018-02-20 00:00:00 CET
2018-02-20 00:00:00 CET
2018-02-20 00:00:00 CET
2018-02-20 18:03:16 CET
Hope this helps, BR.
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