A chart item can have both a date and a time, or just a date or a time. It can also have
a description of approximately when it occurred, if the exact date and time is not
known.
Procedure
To set the date & time:
- Right-click an item, and select Edit Item Properties. The Edit window is shown. 
- 
Select  and complete the Date & Time page.
- Select the Date and Time check boxes and enter the date or time.
- If you do not know the date or time, enter a description
about when the event occurred.For example, "In the
afternoon". 
- Set the time zone for the item.
- Select how the item is ordered on the chart:
| Option | Description | 
|---|
 
| Free | An item is free when it is not ordered and can be moved anywhere
on the chart. |  
| Ordered | An item is ordered when it cannot be moved to the left and
right of other ordered items. |  
| Controlling (Ordered with Date & Time) | An item is controlling when it is ordered and has both a date
and time. |  
 
- Click OK.