Usually code like as:
html
<p class="small-grey-text float-left">
{{ product.date-created | date:'MMMM dd, yyyy ' }}
</p>
json
[{"date-created": 1475798400 }]
This is must look as October 07, 2016
Result
January 01, 1970
Usually code like as:
<p class="small-grey-text float-left">
{{ product.date-created | date:'MMMM dd, yyyy ' }}
</p>
[{"date-created": 1475798400 }]
This is must look as October 07, 2016
January 01, 1970
It looks like you are having the same problem as in this thread. The date pipe format is correct you need to multiply out the date by 1000.
date-created or dateCreated is word of element for JS.
Let me that is like with working - date_created or datecreated