<tr><td style="width: 25%;"><a href="time_round.html">time_ceiling</a></td>
<td>Round, floor and ceiling for date-time objects</td></tr>
<tr><td style="width: 25%;"><a href="time-zones.html">time_clock_at_tz</a></td>
<td>Time-zone manipulation</td></tr>
<tr><td style="width: 25%;"><a href="time_round.html">time_floor</a></td>
<td>Round, floor and ceiling for date-time objects</td></tr>
<tr><td style="width: 25%;"><a href="time-zones.html">time_force_tz</a></td>
<td>Time-zone manipulation</td></tr>
<tr><td s