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)); 
	} 
}