Dear,
I use this to login to website but during i open login page, i see error about date appears.
Please help me to sovle it.

I have coded in \KT_functions.inc.php file:
<?php
// Array definitions

// Start Variable definitions
$KT_db_date_format = "yyyy-mm-dd";
$KT_db_time_format = "HH:mm:ss";
$KT_screen_date_format = "d/m/yy";
$KT_screen_time_format = "h:mm:ss t";
$KT_prefered_image_lib = "gd";
$KT_prefered_imagemagick_path = "";
$KT_prefered_tidy_path = "";
$KT_prefered_aspell_path = "";
$KT_file_mode = "644";
$KT_folder_mode = "755";
$KT_default_image_quality = "80";
// End Variable definitions
?>

Warning: date() [function.date]: It is not safe to rely on the system's timezone settings. You are required to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '7.0/no DST' instead in C:\xampp\htdocs\www\includes\common\Warning: date() [function.date]: It is not safe to rely on the system's timezone settings. You are required to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '7.0/no DST' instead in C:\xampp\htdocs\www\includes\common\KT_functions.inc.php on line 679

Warning: date() [function.date]: It is not safe to rely on the system's timezone settings. You are required to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '7.0/no DST' instead in C:\xampp\htdocs\www\includes\common\KT_functions.inc.php on line 680

Warning: date() [function.date]: It is not safe to rely on the system's timezone settings. You are required to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '7.0/no DST' instead in C:\xampp\htdocs\www\includes\common\KT_functions.inc.php on line 681on line 679

Warning: date() [function.date]: It is not safe to rely on the system's timezone settings. You are required to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '7.0/no DST' instead in C:\xampp\htdocs\www\includes\common\KT_functions.inc.php on line 680

Warning: date() [function.date]: It is not safe to rely on the system's timezone settings. You are required to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '7.0/no DST' instead in C:\xampp\htdocs\www\includes\common\KT_functions.inc.php on line 681

Thank you,