use warnings; use 5.016; 
use Date::Manip::Date; my$db = Date::
Manip::Date->new(undef, ["setdate" => "now,utc"]); # parse as UTC dates
while (<>) { 
    chomp; my($datestr, $count) = split /,/; 
    my$d = $db->new; 
    if (my $e = $d->parse($datestr)) {
        warn qq(cannot parse date: $datestr); 
    } else { 
        $d->convert("America/New_York");
        say $d->printf("%Y%m%d-%H:%M:%S %Z"); # print in similar format, but with timezone name
    } 
}

##</code><code>##

use warnings; use 5.016; 
use Date::Manip::Date; 
my$db = Date::Manip::Date->new(undef, [q(setdate) => q(now,utc)]); 
while (<>) { 
	/^([-0-9:]{17})(\.[0-9]{3}),(.*)/ or die qq(cannot parse input line); 
	my($datestr, $frac, $count) = ($1, $2, $3); 
	my$d = $db->new; 
	if (my $e = $d->parse($datestr)) { 
		warn qq(cannot parse date: $datestr); 
	} else { 
		$d->convert(q(America/New_York)); 
		say $d->printf(q(%Y%m%d-%H:%M:%S)) . $frac . $d->printf(q( %Z)); 
	} 
} 

##</code><code>##

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