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Countdown Clock

(requirements: PHP)

An easy to use Countdown Calendar. Just provide a date to countdown too, it will then display the time left in days, hours and minutes.
(Note: This countdown script output below.)

Countdown Calendar output:

Today's date January 6, 2009, 4:33 am
Countdown date January 1, 2010, 12:00 am
Countdown 359 days 19 hours 26 minutes left

Countdown Calendar Usage

usage is simple, either cut and paste or include the countdown clock in your own scripts.

i.e. An example of a Countdown to New Year 2010!
<?php
include 'countdown.php';
// countdown to New Year 2010
countdown(2010,1,1,0,0,0);
?>

Countdown script

Below is the countdown.php script, either save it a file or just incorporate into your php page:

<?php
// countdown function
// parameters: (year, month, day, hour, minute)
countdown(2010,1,1,0,0);

//--------------------------
// author: Louai Munajim
// website: www.elouai.com
//
// Note:
// Unix timestamp limitations 
// Date range is from 
// the year 1970 to 2038
//--------------------------
function countdown($year, $month, $day, $hour, $minute)
{
  // make a unix timestamp for the given date
  $the_countdown_date = mktime($hour, $minute, 0, $month, $day, $year, -1);

// get current unix timestamp
  $today = time();

$difference = $the_countdown_date - $today;
  if ($difference < 0) $difference = 0;

$days_left = floor($difference/60/60/24);
  $hours_left = floor(($difference - $days_left*60*60*24)/60/60);
  $minutes_left = floor(($difference - $days_left*60*60*24 - $hours_left*60*60)/60);
  
  // OUTPUT
  echo "Today's date ".date("F j, Y, g:i a")."<br/>";
  echo "Countdown date ".date("F j, Y, g:i a",$the_countdown_date)."<br/>";
  echo "Countdown ".$days_left." days ".$hours_left." hours ".$minutes_left." minutes left";
}
?>

Javascript countdown vs php countdown

For a realtime countdown then javascript countdown (client side scripting) is the way to go. The countdown dates would be dependent on the clients computer date bieng set correctly.

A php countdown script is dependent on the server time, thus the countdown date is FIXED, unlike a countdown date reaching its goal at various times throughtout a 24 hour period.

Looking for an excellent Javascript Countdown script?

References:
PHP.net, function mktime

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