Tag: date

  • Change/update time on Linux

    Sets whether the hardware clock is stored as UTC or local time. /etc/sysconfig/clock Symlink /etc/localtime to /usr/share/zoneinfo/… to set your timezone. To set the current system date/time. date MMDDhhmm To set the hardware clock. /sbin/hwclock –systohc

  • Getting differences between dates quickly in PHP or MySQL

    I recently needed a way to figure out the difference, in days, between two dates. Here is how I did it. Using PHP: $expireDate = “2006-02-07”; $year = substr($expireDate, 0, 4); $month = substr($expireDate, 5, 2); $day = substr($expireDate, 8, 2); $splitExpireDate = (mktime(0, 0, 0, $month, $day, $year)); $today = (mktime(0, 0, 0, date(“m”), […]

  • Get past date or convert different date format with php

    Quick way to figure out a past date in PHP. echo date(“Y-m-d”, strtotime(“20 days ago”)); echo date(‘Y-m-d’,strtotime(’12/15/2008′));