Eloquent where date methods

In Eloquent, check the date with functions whereDay(), whereMonth(), whereYear(), whereDate() and whereTime().

1$products = Product::whereDate('created_at', '2018-01-31')->get();
2$products = Product::whereMonth('created_at', '12')->get();
3$products = Product::whereDay('created_at', '31')->get();
4$products = Product::whereYear('created_at', date('Y'))->get();
5$products = Product::whereTime('created_at', '=', '14:13:58')->get();