The DateTime tab of the Cell Type dialog in the Spread Designer contains the settings for customizing the date-time cell type that can be applied to cells.
For information on the individual properties, refer to the DateTimeCellType class in the Assembly Reference.
For information on the Background tab for customizing the background of this cell type, refer to Background Tab.
For more information on the date-time cell type, refer to Setting a Date-Time Cell in the Developer’s Guide.