http://dev.mysql.com/doc/mysql/en/Date_and_time_functions.html says that's the right format. Are you sure you're storing the time and not just the date? I'd wager that it will delete immediately if you are only storing the date. - Martin Norland, Database / Web Developer, International Outreach x3257 The opinion(s) contained within this email do not necessarily represent those of St. Jude Children's Research Hospital. -----Original Message----- From: Mark-Walter@xxxxxxxxxxx [mailto:Mark-Walter@xxxxxxxxxxx] Sent: Monday, October 25, 2004 3:01 PM To: php-db@xxxxxxxxxxxxx Subject: delete time related data inside a table within 1 hour Hello, to delete old entries within 1 one day I use this: $sql = ("DELETE FROM orders WHERE time_date < DATE_ADD(NOW(), INTERVAL -1 DAY)"); Now I would like to delete within a timeframe of 1 hour. But when I change the above statement to 1 hour or -1 hour it deletes immediately. Maybe someone could help me at this point. -- Best Regards, Mark -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php