RE: [PHP] How would i construct a date from year/week?

> How on earth would I do this? How can I > construct a date only given a year and a > week number? > I hope you guys can help me here, as I > have absolutely NO idea :) // whatever week number you are working with; arbitrary value here $weekNumber = 37; // seconds * minutes * hours; $day = 60 * 60 * 24; // days in a week $week = 7; // get the unix time for Jan 1 of this year $firstDayOfThisYear = mktime( 0, 0, 0, 1, 1, date( 'Y' )); // calculate the unix time for the date of the week number $weekNumberDate = $firstDayOfYear + ( $weekNumber * day * week ); // This will put you X weeks out of the day that Jan 1 fell on. // If Jan 1 was on a Thursday, this date should also be on a Thursday. // Using date( 'N', $weekNumberDate ), you can find out how many days // you need to subtract to get your Monday date echo date( 'm/d/Y', $weekNumberDate ); thnx, Chris