<?php//This gets today's date$date =time () ; //This makes the current year a variable$year = date('Y', $date) ; //Here we generate the first day of November $first_day = mktime(0,0,0,11, 1, $year) ; //We determine what day of the week the first falls on $day_of_week = date('D', $first_day) ; //Based upon this, we add the appropriate number of days to get to the forth Thursday of the month switch($day_of_week){case "Sun": $add = 25; break; case "Mon": $add = 24; break;case "Tue": $add = 23; break;case "Wed": $add = 22; break;case "Thu": $add = 21; break;case "Fri": $add = 27; break;case "Sat": $add = 26; break;} $Thanks = 1 + $add; echo "This year, $year, Thanksgiving Day falls on 11/$Thanks."; ?>
If you want to calculate when Thanksgiving falls for any other year you can modify the $date =time () ; line to use the mktime () function to generate a date in any year you wish.