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use Time::Local; # module comes with Perl, so don't worry my $start = timelocal(0, 0, 0, 9, 1, 2004); printf "Days since Feb 9: %d days\n", int((time - $start)/(24*60*60));
use Time::Local; # module comes with Perl, so don't worry my $start = timegm(0, 0, 0, 9, 1, 2004); printf "Days since Feb 9: %d days\n", int((timegm(localtime) - $start) +/(24*60*60));