2.2.15.1.4 Timeline State
Timeline state specifies the information used for display in Timeline view. The Timeline state contains two elements, selection and bounds, of type CT_TimelineRange ([MS-XLSX] section 2.6.115). The selection element specifies the start and end dates of the selection in the Timeline and is used for filtering data in PivotTable ([ISO/IEC29500-1:2016] section 18.10) views and cube functions. The bounds element specifies the minimum and maximum dates that can be displayed by the Timeline view.