Convert C# DateTime To Angular Date
This seems to be issue with the serialization library you are using in .Net. Look at this blog post by Scott Hanselman
http://www.hanselman.com/blog/OnTheNightmareThatIsJSONDatesPlusJSONNETAndASPNETWebAPI.aspx
It talks about this very issue. Date should be serialized as ISO 8601
format.
You may have to change your serializer, see here Setting the Default JSON Serializer in ASP.NET MVC