Adding time to when

suggestion by @navin2uw
we had learners asking when as they missed it at the top of the page

Author: sstevens2

index.md

@@ -197,7 +197,7 @@ This block displays the date and links to Google Calendar.
 {% if page.humandate %}
 <p id="when">
   <strong>When:</strong>
-  {{page.humandate}}.
+  {{page.humandate}}; {{page.humantime}}
   {% include workshop_calendar.html %}
 </p>
 {% endif %}