[fix] Fix time displayed in happening_now.haml; Make event_schedule#happening_now? more efficient

app/models/event_schedule.rb

@@ -55,9 +55,10 @@ class EventSchedule < ApplicationRecord
   # True within `threshold` before and after the event.
   #
   def happening_now?(threshold = 30.minutes)
+    return false if end_time < Time.now
     event_time_range = start_time..end_time
     now_range = (Time.now - threshold)..(Time.now + threshold)
-    event_time_range.overlaps?(now_range) && (end_time > Time.now)
+    event_time_range.overlaps?(now_range)
   end
 
   def self.withdrawn_or_canceled_event_schedules(schedule_ids)

app/views/schedules/happening_now.haml

@@ -9,12 +9,10 @@
     .col-md-12
       %h2
         #{pluralize(@events_schedules.count, 'Event')} Occurring Within The Next 30 minutes.
-        %br
-        %small
-          This page was loaded at
-          = inyourtz(Time.now) do
-            = Time.now.strftime('%a %b %d at %I:%M %P (%z)')
-          \.
+      %h3
+        This page was loaded at
+        = inyourtz(Time.now) do
+          #{Time.now.strftime('%a %b %d at %I:%M %P (%z)').to_s}
 
   .row
     / TODO: Clean this up, merge with all events page.