Samsung SPH-I500 Online User's Manual page 85

Enter a description of the event, up to 255 characters in length.
3.
Set the event's duration:
4.
If the event is one hour long, skip to the end of this procedure.
If the event is longer or shorter than an hour, tap directly on the time
to open the Set Time dialog box.
Note:
You can open the Set Time dialog box (to select a start time) by
making sure no event is selected, and then writing a number on the
number side of the Graffiti writing area.
Set the duration of the event in either of the following ways:
5.
Tap the time columns in the Set Time dialog box to set the Start
Time; Tap End Time; then tap the time columns to set the End Time.
Tap
All Day
business day are set by the user, and may be changed using the
Preferences command in the Date Book application.
Tap to confirm your selection and exit.
6. OK
if the event lasts all day. The default hours of a standard
Section 2: Understanding Your Phone
2H: Personal Organizer 82