What is wrong with this wp_query?

You should be storing and comparing your time in 24 hour format: 00:00:00.

array(
'key' => 'event_end_time',
 'value' => date('G:i:s'),
 'compare' => '>=',
 'type' => 'TIME'
)

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)