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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 March 18, 2010, 1:02 pm
Countdown date January 1, 2010, 12:00 am
Countdown 0 days 0 hours 0 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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