Elasticsearch kibana time issue

I am having strange problem with a time stamp field. the field is called tme.
the document was loaded via logstash. I filtered the field doing the following.

 date  {
    match => ["tme", "yyyy-MM-dd'T'HH:mm:ss"]
    timezone => "America/New_York"
    target => "@timestamp"

I was looking at the document in elasticsearch-head.
the value is

"tme": "2015-08-22T08:27:08",

however, when i view the document in kibana, the field is different.

tme	August 22nd 2015, 04:27:08.000

Is there a reason why this is happening?

In Elasticsearch dates are stored in UTC (see here), while Kibana displays dates using the timezone set by your browser/OS. We are tracking an issue to add global timezone support directly in Kibana: https://github.com/elastic/kibana/issues/1600

thanks for the quick response. I will be monitoring that issue .

Alex Chan