If you want to change the appearance of time in course curriculum from
x hours y minutes to x:y then use this tip.
Refer below screenshots :
BEFORE

AFTER

TIP :
1. Go to WP Admin -> Plugins -> Editor -> WPLMS Customizer -> customizer_class.php
2. Add following line of code in _construct function :
PHP Code:
add_filter('wplms_curriculum_time_filter',array($this,'wplms_custom_curriculum_time_filter'),2,10);
3. Add following function in class :
PHP Code:
function wplms_custom_curriculum_time_filter($html,$min){
$minutes = $min;
$hours = '00';
if($minutes > 60){
$hours = intval($minutes/60);
$minutes = $minutes - $hours*60;
}
$html = '<span><i class="icon-clock"></i> '.(isset($hours)?sprintf("%02s", $hours):'').' : '.sprintf("%02s", $minutes).'</span>';
return $html;
}