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function is not described

wp_timezone_override_offset() WP 2.8.0

gmt_offset modification for smart timezone handling.

Overrides the gmt_offset option if we have a timezone_string available.

No Hooks.

Return

float/false. Timezone GMT offset, false otherwise.

Usage

wp_timezone_override_offset();

Code of wp timezone override offset: wp-includes/functions.php VER 5.0.3

<?php
function wp_timezone_override_offset() {
	if ( !$timezone_string = get_option( 'timezone_string' ) ) {
		return false;
	}

	$timezone_object = timezone_open( $timezone_string );
	$datetime_object = date_create();
	if ( false === $timezone_object || false === $datetime_object ) {
		return false;
	}
	return round( timezone_offset_get( $timezone_object, $datetime_object ) / HOUR_IN_SECONDS, 2 );
}