The Add/Update Special Day Period window lets you add or change information on your special days periods. This window is called from the Update System Settings window.
| Description | Up to 20 characters to identify this special days period. |
| Start Date | The first day of the special days period. If you click the  small calendar button beside the field, a look-up calendar will appear. Select the date you desire, then click the OK button, and the date will be automatically entered into the field. |
| End Date | The last day of the special days period (often the same as the Start Date). |