Axis.BaseUnit Property (Excel)
Returns or sets the base unit for the specified category axis. Read/write XlTimeUnit.
Syntax
expression .BaseUnit
expression A variable that represents an Axis object.
Remarks
Setting this property has no visible effect if the CategoryType property for the specified axis is set to xlCategoryScale. The set value is retained, however, and takes effect when the CategoryType property is set to xlTimeScale.
You cannot set this property for a value axis.
Example
This example sets the category axis in embedded chart one on worksheet one to use a time scale, with months as the base unit.
With Worksheets(1).ChartObjects(1).Chart
With .Axes(xlCategory)
.CategoryType = xlTimeScale
.BaseUnit = xlMonths
End With
End With