1. On the Demand menu, click Demand data.
The Demand data window opens.
2. Select the Standard time series tab.
3. In the list, click the standard time series with the time interval data you want to edit.
4. Click the 
Edit icon.
The Edit time series window opens.
5. In the list, click the time interval that you want to change.
6. Make the desired changes (Creating time intervals for standard time series).
7. Edit other time intervals, if applicable.
8. Confirm with OK.
The changes are applied to the standard time series.
