KendoUI is AMD module aware framework, i.e. it can be used with RequireJS.
If you implement your page using RequireJS, you can track what concrete dependencies were loaded to instantiate kendoDateTimePicker. (as a minimum it should load core components).
See Kendo docs on tips how to proceed with this:http://docs.kendoui.com/getting-started/using-kendo-with/using-kendo-with-requirejs