Sorry, but its not the answer of this question!
In previous version it was simple to change:
 inc/catchbase-core.php
$time_string = sprintf( $time_string,
		esc_attr( get_the_date( ‘c’ ) ),
		esc_html( get_the_date() ),
		esc_attr( get_the_modified_date( ‘c’ ) ),
		esc_html( get_the_modified_date() )
	);
change in:
$time_string = sprintf( $time_string,
		esc_attr( get_the_time( ‘G:i’ ) ),
		esc_attr( get_the_date( ‘j F Y G:i’ ) ),
		esc_html( get_the_date() ),
		esc_attr( get_the_modified_time( ‘G:i’ ) ),
		esc_attr( get_the_modified_date( ‘j F Y G:i’ ) ),
		esc_html( get_the_modified_date() )
	);
but its not possible in this version.
Ron