If they're always in the same day you could just convert to minutes. 
#!/usr/bin/perl

for (qw(9:01PM 3:30AM 1:10AM)) {
    if (m{^(\d+):(\d\d)(AM|PM)}) {
        print "$_ is @{[$1*60+$2+($3 eq 'PM' ? 12*60 : 0)]} minutes\n"
+;
         };
     };

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In reply to Re: current time between two time by clueless newbie
in thread current time between two time by Anonymous Monk

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