title: Default value in time_field in rails 5
body: <p>I'm new to Rails and in my view i've a form like</p>
  
  <pre><code> &lt;label id="starttime"&gt;From&lt;/label&gt;                   
   &lt;%= time_field :time, "FromTime" %&gt;                   
   &lt;label id="endtime"&gt;To&lt;/label&gt;                    
   &lt;%= time_field :time, "ToTime" %&gt;      
  </code></pre>
  
  <p>How to set a default value to the time input field. </p>