in reply to Converting 24 hour time back into 12 hour

if($hour == 0)    { $hour = 12 }
elsif($hour > 12) { $hour -= 12 }

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Re^2: Converting 24 hour time back into 12 hour
by Kalaspuff (Beadle) on Nov 07, 2004 at 00:39 UTC
    Or just on one line;
    $hour = ($hour + 11) % 12 + 1;
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In Section Seekers of Perl Wisdom