title: time selecting with ruby on rails
body: <p>I have used a time_select helper in order to select hour and minutes:  </p>
  
  <pre><code>f.time_select( :time )
  </code></pre>
  
  <p>I want that the hours will be from the current time (Time.now).</p>
  
  <p>For example if the time now is 21:00, the hours I would be able to select from will be:</p>
  
  <p>21, 22 and 23 (and not 1,2,3...19,20 ) </p>
  
  <p>How can I do this?</p>
  
  <p>Thanks,</p>
  
  <p>Oded   </p>