DownCount
jQuery countdown plugin that accounts for timezone.
#Usage
$('.countdown').downCount({ date: '08/27/2013 12:00:00', offset: +1 }
#Options Option | Description ---|--- date | Target date, ex 08/27/2013 12:00:00
offset | UTC Timezone offset (default +1 - Europe)
UTC Zones: http://en.wikipedia.org/wiki/List_of_UTC_time_offsets#/media/File:World_Time_Zones_Map.png
You can also append a callback function which is called when countdown finishes.