this are located at System > Schedule
Enable scheduling, and then click on your schedule name or on the New Schedule button to
begin.
Click this checkbox to enable this schedule profile. Note that if this is disabled,
then any associated features will also have their scheduling disabled.
Enter your desired name for this particular schedule profile.
Click the drop-down menu to choose pre-defined schedules as your starting point.
Please note that upon selection, previous changes on the schedule map will be
deleted.
Click on the desired times to enable features at that time period. You can hold
your mouse for faster entry.