Interval - Set the number of minutes between each report run and the days of the week you wish the report to run.
Time - Specify a particular time (hh:mm:ss) Time on a particular day (1 to 28)
Whether you have selected Interval or Time, you can also specify the times between which the report will run.
Between (times): to set the times you want to scheduler to run (for example, if hours of business are 9:00 - 17:30hrs, and a report is scheduled to run every hour, the scheduler will stop running outside these hours.
If the report is running as part of a specific campaign, you should enter the start and end date of the campaign. If you do not enter an end date, the report will be scheduled to run for an indefinite period, whether or not the campaign is still active.