get_post_datetime( int|WP_Post $post = null, string $field = 'date', string $source = 'local' ): DateTimeImmutable|false

2936function get_post_datetime( $post = null, $field = 'date', $source = 'local' ) {2937	$post = get_post( $post );2938 2939	if ( ! $post ) {2940		return false;2941	}2942 2943	$wp_timezone = wp_timezone();2944 2945	if ( 'gmt' === $source ) {2946		$time     = ( 'modified' === $field ) ? $post->post_modified_gmt : $post->post_date_gmt;2947		$timezone = new DateTimeZone( 'UTC' );2948	} else {2949		$time     = ( 'modified' === $field ) ? $post->post_modified : $post->post_date;2950		$timezone = $wp_timezone;2951	}2952 2953	if ( empty( $time ) || '0000-00-00 00:00:00' === $time ) {2954		return false;2955	}2956 2957	$datetime = date_create_immutable_from_format( 'Y-m-d H:i:s', $time, $timezone );2958 2959	if ( false === $datetime ) {2960		return false;2961	}2962 2963	return $datetime->setTimezone( $wp_timezone );2964}