Processing Rule Properties, Schedule Tab

Allows you to specify when this processing rule is active. The fields are defined as follows:

Specify optional schedule ...
Specifies when the rule should or should not be active.
Between ___ and ___
Specifies the start and stop time for when the rule is active. To specify that you want the rule active overnight, specify a start time later than an stop time and check both days.
Sunday through Saturday
Specifies whether the rule is active on the checked day of the week.