Added PHP function to deal with DST discrepancy when importing from Google Calendar

ee-solspace-calendar-example.php

{layout="site/.layout_default" body_class="events"}

{preload_replace:pre_channel_name="events"}
{preload_replace:pre_section_title="Events"}

{layout:set name="section_title" value="{pre_section_title}"}

<?php
  function adjust_dst($this_date, $this_hour) {
    $check_dst = new DateTime($this_date . ' America/Chicago');
    $is_dst = $check_dst->format('I');
    if ($is_dst == 1) {
      if ($this_hour == 12) {
        return '1';
      } else {
        return $this_hour + 1;
      }
    } else {
      return $this_hour;
    }
  }
?>

<section class="container-fluid">

  <header class="row">
    <div class="col-md-12 section-hdr {pre_channel_name}-hdr">
      <h1>{pre_section_title}</h1>
    </div>
  </header>

  <div class="row">

    <!-- TODO: Need for sub-menu? -->

    <article class="col-sm-12 page-content">

      <header class="hidden">
        <h1>
          Calendar of Events
        </h1>
      </header>

      <div class="text-center append-btm">
        <ul class="list-inline">
          <li>Download:</li>
          {exp:low_variables:pair var="lv_calendar_downloads"}
          <li><a href="{url}">{title}</a></li>
          {/exp:low_variables:pair}
        </ul>
      </div>

      <div id="fc_calendar" class="calendar calendar-full hidden-xs">
        {exp:calendar:cal
          {if segment_3 == ''}
            date_range_start="year-month-01"
            date_range_end="year-month-last"
          {/if}
          {if segment_3 != ""}
            date_range_start="{segment_3}-{segment_4}-01"
            date_range_end="{segment_3}-{segment_4}-last"
          {/if}
        }
          {display_each_month}
            <table id="fc_outer" class="calendar-outer">
              <thead class="calendar-month">
                <tr id="month_year">
                  <th colspan="2">&laquo;
                    <a href="{path='events/month'}/{prev_month format='%Y/%m'}/">
                      {prev_month format="%F"}
                    </a>
                  </th>
                  <th colspan="3" class="text-center">{date format="%F %Y"}</th>
                  <th colspan="2" class="text-right">
                    <a href="{path='events/month'}/{next_month format='%Y/%m'}/">
                      {next_month format="%F"}
                    </a>
                    &raquo;
                  </th>
                </tr>
              </thead>
                <tbody>
                  <tr>
                    <td colspan="7">
                      <div class="wrap">
                        <table id="fc_inner" class="calendar-inner">
                          <thead class="calendar-week-days">
                            <tr id="days_of_week">
                              {display_each_day_of_week}
                              <th class="day_of_week {day_of_week}">
                                {day_of_week}
                              </th>
                              {/display_each_day_of_week}
                            </tr>
                        </thead>
                        <tbody>
                          {display_each_week}
                            <tr>
                              {display_each_day}
                              {if day_in_current_month}
                                <td class="day_cell">
                                  <div class="date">
                                    <span class="num">
                                      {date format="%j"}
                                    </span>
                                  </div>
                              {if:else}
                                <td class="day_cell out_of_range">
                                  <div class="date">
                                  <span class="num">
                                    {date format="%j"}
                                  </span>
                                </div>
                              {/if}
                              {display_each_hour}
                                {events}
                                  <div
                                    class="
                                      event {if event_all_day}all_day{/if}
                                      {if event_multi_day}multi_day{/if}
                                      {if event_first_day}first_day{/if}
                                      {if event_last_day}last_day{/if}
                                      {if all_day_event_index_difference > 0}
                                        index_difference_{all_day_event_index_difference}
                                      {/if}
                                    ">
                                    {if event_multi_day}
                                      {if event_all_day == FALSE}
                                        {if event_first_day}
                                          {event_start_time}
                                        {/if}
                                        {if event_last_day}
                                          {event_end_time}
                                        {/if}
                                      {/if}
                                      <a href="#" data-toggle="modal" data-target="#event-{event_id}">{event_title}</a>
                                    {if:else}
                                      {if event_all_day == ''}
                                        {!--{event_start_date format="%g"}--}
                                        <?php echo adjust_dst({event_start_date}, {event_start_date format="%g"}); ?>
                                        {if event_start_minute > 0}
                                          :{event_start_minute}
                                        {/if}
                                        {if event_end_time != event_start_time && event_end_time != '00:00'}
                                          &ndash;
                                          {!--{event_end_date format="%g"}--}
                                          <?php echo adjust_dst({event_end_date}, {event_end_date format="%g"}); ?>
                                          {if event_end_minute > 0}
                                            :{event_end_minute}
                                          {/if}
                                          {event_end_date format="%a"}
                                        {if:else}
                                          {event_start_date format="%a"}
                                        {/if}
                                      {/if}
                                       <a href="#" data-toggle="modal" data-target="#event-{event_id}">{event_title}</a>
                                    {/if}
                                    <div id="event-{event_id}" class="modal fade bs-example-modal-sm" tabindex="-1" role="dialog" aria-labelledby="event-title-{event_id}" aria-hidden="true">
                                      <div class="modal-dialog modal-sm">
                                        <div class="modal-content">
                                          <div class="event">
                                            <div class="modal-header">
                                              <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
                                              <h4 class="modal-title" id="event-title-{event_id}">{event_title}</h4>
                                            </div>
                                            <div class="modal-body">
                                              <ul class="list-unstyled">
                                                {if event_summary}
                                                  <li><strong>Details:</strong> {event_summary}</li>
                                                {if:else}
                                                <li>
                                                  <strong>When:</strong>
                                                    {if event_all_day}
                                                      All day
                                                    {if:else}
                                                      <?php echo adjust_dst({event_start_date}, {event_start_date format="%g"}); ?>{event_start_date format=":%i%a"}
                                                    {/if}
                                                </li>
                                                {/if}
                                                {if event_location}<li><strong>Where:</strong> {event_location}</li>{/if}
                                              </ul>
                                            </div>
                                          </div>
                                        </div>
                                      </div>
                                    </div>
                                  </div>
                                  {/events}
                                {/display_each_hour}
                              </td>
                              {/display_each_day}
                            </tr>
                            {/display_each_week}
                          </tbody>
                        </table>
                      </div>
                    </td>
                  </tr>
                </tbody>
            </table>
          {/display_each_month}
        {/exp:calendar:cal}
        </div>

      <div class="calendar calendar-list visible-xs">
        <ul class="list-unstyled">
          {exp:calendar:events orderby="title" orderby="event_start_date" sort="asc" date_range_start="today" event_limit="100" show_months="3" dynamic="no"}
          {if calendar_no_results}
              <li>No Results</li>
          {/if}
          <li data-tz-offset="{event_calendar_tz_offset}">
            <a href="#" data-toggle="modal" data-target="#event-list-{event_id}">
              <h3 class="title normal-case"><span class="event-date-lead">{event_start_date format="%F %j, %Y"}:</span> {event_title}</h3>
              <!--<p>{event_start_date format="%F %j, %Y"}</p>-->
            </a>
            <div id="event-list-{event_id}" class="modal fade bs-example-modal-sm" tabindex="-1" role="dialog" aria-labelledby="event-list-title-{event_id}" aria-hidden="true">
              <div class="modal-dialog modal-sm">
                <div class="modal-content">
                  <div class="event">
                    <div class="modal-header">
                      <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
                      <h4 class="modal-title" id="event-list-title-{event_id}">{event_title}</h4>
                    </div>
                    <div class="modal-body">
                      <ul class="list-unstyled">
                        {if event_summary}
                          <li><strong>Details:</strong> {event_summary}</li>
                        {if:else}
                        <li>
                          <strong>When:</strong>
                            {if event_all_day}
                              All day
                            {if:else}
                              <?php echo adjust_dst({event_start_date}, {event_start_date format="%g"}); ?>{event_start_date format=":%i%a"}
                            {/if}
                        </li>
                        {/if}
                        {if event_location}<li><strong>Where:</strong> {event_location}</li>{/if}
                      </ul>
                    </div>
                  </div>
                </div>
              </div>
            </div>
          </li>
          {/exp:calendar:events}
        </ul>
      </div>

    </article>

  </div>

</section>