score:1

Try using

myChart.addTimeAxis()

instead of

myChart.addCategoryAxis()

Here is an advanced time axis example (both x and y are time axis):

Advanced Time Axis Sample

Documentation on addTimeAxis():

Dimple addTimeAxis() function

Related question:

Dimple Time Format Juggling

For displaying days below the hour axis, you can utilize second time axis.

Hope all this will help you find solution that fits your need.


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