title: how to drop rows having a specific time in datatime index
body: <p>How can I remove the whole row from the dataframe where the datetime column is having 07:15 time in the datetime column.</p>
  <p><a href="https://i.stack.imgur.com/3Xzzk.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/3Xzzk.png" alt="enter image description here" /></a></p>