You could probably edit the timeDropdown function in include/class.misc.php.Around line 141 (1.10RC2), function timeDropdown($hr=null, $min =null,$name='time') { global $cfg; $hr =is_null($hr)?0:$hr; $min =is_null($min)?0:$min; //normalize; if($hr>=24) $hr=$hr%24; elseif($hr<0) $hr=0;// bof robbie if($min>=55) $min=55; elseif($min>=50) $min=50; elseif($min>=45) $min=45; elseif($min>=40) $min=40; elseif($min>=35) $min=35; elseif($min>=30) $min=30; elseif($min>=25) $min=25; elseif($min>=20) $min=20; elseif($min>=15) $min=15; elseif($min>=10) $min=10; elseif($min>=5) $min=5; else $min=0;// eof robbie ob_start(); echo sprintf('<select name="%s" id="%s" style="display-block;width">',$name,$name); echo '<option value="" selected>'.__('Time').'</option>'; for($i=23; $i>=0; $i--) { for($minute=55; $minute>=0; $minute-=5) { // robbie $sel=($hr==$i && $min==$minute)?'selected="selected"':''; $_minute=str_pad($minute, 2, '0',STR_PAD_LEFT); $_hour=str_pad($i, 2, '0',STR_PAD_LEFT); $disp = Format:($i*3600 + $minute*60 + 1, false, false, 'UTC'); echo sprintf('<option value="%s:%s" %s>%s</option>',$_hour,$_minute,$sel,$disp); } } echo '</select>'; $output = ob_get_contents(); ob_end_clean(); return $output; }