title: How to parse system time to the input of a program
body: <p>An alarm program </p>
  
  <pre><code>@echo Off
  :alarm
  start music.mp3
  
  cls
  goto alarm
  </code></pre>
  
  <p>How to take/parse system time so that I can make it start alarming at every 15 min or every 1 hour? A complete code would be appreciated.</p>