ct, or POSIXlt</p></td>
    </tr>
    <tr>
      <th>daytime</th>
      <td><p>character; either "beginning" or "end" so that the function 
knows which hours to set if needed</p></td>
    </tr>
    <tr>
      <th>timeZoneId</th>
      <td><p>character; a string indicating the timezone that should be used. 
The timezone ID must be in Time_Zone database</p></td>
    </tr>
    <tr>
      <th>ensure_today_works</th>
      <td><p>logical; an indicator that will automatically offset 
the current time by 1 hour so