Time stamp is not localized?

About list question page, you can open the content-question.php file, find line 17.
Replace it with the following code:

$time = human_time_diff( get_post_time( 'U' ), current_time('timestamp'));

you can open the content-single-question.php file and find the line 19.
Replace the following code:

<?php printf( __( '<span>%s%s %s asked %s ago</span>', 'dwqa' ), dwqa_get_author_link( $user_id ), get_avatar( $user_id, 48 ), dwqa_get_author(),  dwqa_print_user_badge( $user_id ), human_time_diff( get_post_time( 'U' ) ) ) ?>

With new code:

<?php printf( __( '<span>%s%s %s asked %s ago</span>', 'dwqa' ), dwqa_get_author_link( $user_id ), get_avatar( $user_id, 48 ), dwqa_get_author(),  dwqa_print_user_badge( $user_id ), human_time_diff( get_post_time( 'U' ), current_time('timestamp') ) ) ?>

If you still face there issue, you can send me usernam & password of your site for further checking.
Hope this helps!

I see.
I will wait for the updates that have been fixed.