I meant that you might want to use Date::Calc::Object and Date::Calendar with HTML::CalendarMonth.

What is the point of calculating Date_to_Days? Why not store it in epoch seconds instead?

Quick example to illustrate epoch seconds...

#!/usr/bin/perl
use strict;
use warnings;
use Time::Local;
my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst);
$mday = 13;
$mon = 9; # 0 - 11, so this is October
$year = 1973;
# use 12pm
my $seconds = timelocal(0,0,12,$mday,$mon,$year);
print "epoch seconds: $seconds.\n";
($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) = localtime($sec
+onds);
$year += 1900;
$mon++;
printf "%02d:%02d:%02d %04d-%02d-%02d\n", ($hour,$min,$sec,$year,$mon,
+$mday);
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update: You could also use the Date_to_Time and Time_to_Date functions of Date::Calc.

#!/usr/bin/perl
use strict;
use warnings;
use Date::Calc qw(:all);

my ($sec,$min,$hour,$day,$month,$year, $seconds);
$sec = 0;
$min = 0;
$hour = 12;
$day = 13;
$month = 10;
$year = 1973;
$seconds = 0;
# use 12pm
$seconds = Date_to_Time($year,$month,$day, $hour,$min,$sec);
print "epoch seconds: $seconds.\n";
($year,$month,$day, $hour,$min,$sec) = Time_to_Date($seconds);
printf "%02d:%02d:%02d %04d-%02d-%02d\n", ($hour,$min,$sec,$year,$mont
+h,$day);
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Once again, thanks for the input - it's been really
useful.

I shied away from epoch seconds as I am only
working with days and the Date::Calc functions seemed
to simplify this.

I had thought that it would be necessary to feed
the $days straight into HTML::CalendarMonth
but it seems that I need to reconvert and I can do that using:

$days = Date_to_Days($year,$month,$day);
  ($year,$month,$day) = Add_Delta_Days(1,1,1, $days - 1);
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from the example page I get:

$c->item($c->month)->wrap_content(font({size => '+2'}));
$c->item($c->dayheaders)->wrap_content(font({size => '-1'}));
$c->item(15,16,17)->wrap_content(font({size => 4, color => 'red'}));
$c->item(6,28)->wrap_content(new HTML::Element 'blink');
$c->item_daycol('Su','Sa')->attr(bgcolor => 'cyan');
print $c->as_HTML;
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Although I haven't cracked the whole thing (I want to
generate the whole calendar using variables $year
$month $day) I have now managed to highlight
the days in the calendar by using the following:

#!/usr/bin/perl -w

use CGI qw(:standard);
use Date::Calc  qw(:all);
use HTML::AsSubs;
use HTML::Element;
use HTML::CalendarMonth;

my $dates = "($year,$month,$day)";

print "Content-type: text/html\n\n";

my @dates = (731158, 731159, 731160, 731161, 731178);

foreach $days (@dates) {
$dates = Add_Delta_Days(1,1,1, $days - 1);

push (@days, $dates);
}

$c = new HTML::CalendarMonth;

             month      => 11,
             year       => 2002,

$c->item($c->month)->wrap_content(font({size => '+2'}));
$c->item($c->dayheaders)->wrap_content(font({size => '-1'}));
$c->item(@days)->wrap_content(font({size => 4, color => 'red'}));
$c->item(6,28)->wrap_content(new HTML::Element 'blink');
$c->item_daycol('Su','Sa')->attr(bgcolor => 'cyan');
print $c->as_HTML;
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Now I think all I have to do is connect in the variables $year $month and I shall be there. (but the midnight hour approacheth so I'll check it out manyana)

Interesting usage of Date_to_Days and Add_Delta_Days!

This works but feel free to do whatever you like with it...


#!/usr/bin/perl
use strict;
use warnings;
use CGI qw(:standard);
use Date::Calc  qw(:all);
use HTML::AsSubs;
use HTML::Element;
use HTML::CalendarMonth;

my @dates = (731158, 731159, 731160, 731161, 731178);
my @days;

foreach my $days (@dates) {
  my $dates = Add_Delta_Days(1,1,1, $days - 1);
  push (@days, $dates);
}
my $c = new HTML::CalendarMonth(
             month      => 11,
             year       => 2002,
);
$c->item($c->month)->wrap_content(font({size => '+2'}));
$c->item($c->dayheaders)->wrap_content(font({size => '-1'}));
$c->item(@days)->wrap_content(font({size => 4, color => 'red'}));
$c->item_daycol('Su','Sa')->attr(bgcolor => 'cyan');
print header(), start_html(-title => 'Test Calendar'), $c->as_HTML, en
+d_html();
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