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$ perl -Mstrict -Mwarnings -E ' my $dateStr = q{2016-05-16 00:51:07}; ... say $dateStr;' 2016-05-16 -01:51:07 $
$ perl -MTime::Piece -MTime::Seconds -Mstrict -Mwarnings -E ' my $dateStr = q{2016-05-16 00:51:07}; ... say $tp->strftime( $dateFmt );' 2016-05-15 23:51:07 $