Standard Day/Time Unit Property
Sets the unit of measure that is used when you enter data into duration fields.
Applies To
Fields of the Duration data type.
Remarks
The units of measure that you can enter are: day, hour, minute, second, and millisecond.
The default value is hour.
Duration is always stored as milliseconds.
Note
Even if you change the value of this property, you must enter both the value and the units of measure in the duration field. For example, enter 3 minutes.