For Real Time Rates, you can import the time-series price data under the Rule Definition tab by clicking the Import Rates button. The price data appears in the two D-maps to the right of the Import Rates button. For more information, see the Real Time Rates section of the help.
For Scheduled Rates, the Grid Rate Schedule shows the times at which each rate applies. If you define multiple rates, you can click and drag on the Grid Rate Schedule chart to indicate when each rate applies. For more information, see the Scheduled Rates section of the help.