Background
I have a simple question and i am sure this problem has been asked before. I have a bunch of times (in 24 hunder hour format e.g., 0930, 2300) that have a toTime and fromTime. All i have to do is take the time passed between each toTime and fromTime and add these resulting time(s) to form a grand total.

Example
add the following times:

toTime -- fromTime
0715      0945   = 2 hrs and 30 mins
1107      1256   = 1 hr  and 49 mins
0845      0915   = 0 hr  and 30 mins

[download]

Giving us a total of Total Time in Hrs and Mins = 4 hours and 49 mins
This is what i am trying to do.

Here is what i have for now, one of the main problems i face is how to convert a number of minutes to hr/min format.

#!perl

use Data::Dumper;


print "this is a test\n"; 



my %HoH = (
        "toTime" => "1220",
        "fromTime" => "0930"      
         );



#print Dumper (\%HoH);


my $fromTime = $HoH{"fromTime"};
my $toTime   = $HoH{"toTime"};



print "$fromTime\n"; 
my ($fromTimeHr, $fromTimeMin, $toTimeHr, $toTimeMin);

if ($fromTime =~ /(\d{2})(\d{2})/) {
        print "FOMRTIME Hr = $1 / Min = $2\n";
        $fromTimeHr = $1;
        $fromTimeMin = $2;
}
if ($toTime =~ /(\d{2})(\d{2})/) {
        print "TOTIME Hr = $1 / Min = $2\n";
        $toTimeHr = $1;
        $toTimeMin = $2;
}


# Now convert Hrs to Mins and and all Mins
my $totalFromTime = ($fromTimeHr * 60) + $fromTimeMin;
my $totalToTime   = ($toTimeHr * 60) + $toTimeMin;

print "Total From Time Mins = $totalFromTime\n";
print "Total To Time Mins   = $totalToTime\n";

[download]

As always, thanks in advance.

In reply to calculate hours of day by data67

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