The **Aspose.Cells.Timelines**  namespace contains classes that allow to access and draw timelines in Excel Spreadsheet files.

### Classes
| Class | Description |
| :- | :- |
| [`Timeline`](/cells/python-net/aspose.cells.timelines/timeline) | Summary description of Timeline View
<br/>Due to MS Excel, Excel 2003 does not support Timeline |
| [`TimelineCollection`](/cells/python-net/aspose.cells.timelines/timelinecollection) | Specifies the collection of all the Timeline objects on the specified worksheet.
<br/>Due to MS Excel, Excel 2003 does not support Timeline. |