Administering Planning Accessing More Administrative Tasks Administering Dimensions Customizing Calendars Renaming Time Periods Renaming Time Periods You can rename root-level, base time periods, and user-defined summary time periods. To rename time periods: Click the Navigator icon , and then under Create and Manage, click Dimensions. For Dimension, select Period. Select the time period you want to rename, and then click (Edit). Rename the time period, and then click Save.