 <tr>
      <th>departs</th>
      <td><p>POSIXct or character. Optionally filter by date. See Details.
Characters are automatically converted to departs, and are assumed to be
given as Melbourne time. The behaviour of the API is unpredictable when
using this argument --- see details. Defaults to the current system time.</p></td>
    </tr>
    <tr>
      <th>user_id</th>
      <td><p>Integer or character. A user ID or devid provided by Public
Transport Victoria. Refer to <code><a href='ptvapi.html'>?ptvapi<