remove timezone offset from feeds calculations

app/helpers/feed_helper.rb

@@ -103,9 +103,7 @@ module FeedHelper
   # get the time floored to the correct number of seconds
   def get_floored_time(input_time, seconds)
     floored_seconds = (input_time.to_f / seconds).floor * seconds
-    # offset the seconds by the current time zone offset
-    offset_seconds = Time.zone.now.utc_offset
-    return Time.at(floored_seconds - offset_seconds)
+    return Time.at(floored_seconds)
   end
 
   # slice feed into timescales