date_default_timezone_get() &
date_default_timezone_set() are for use in individual scripts only.
To set a default value for your virtual server by using a php.ini file in your public_html directory, use:
Code:
date.timezone = "America/New_York"
for Eastern time.
America/Chicago for Central time,
America/Denver for Mountain time, &
America/Vancouver for Pacific time.
etc. from the list.
These are all for PHP 5.1.0 and above.