This option is for adding entries to your time table with a custom time interval.
Insert an Integer value.
Choose from Hours, Minutes or Seconds.
If you set Interval to '5' and Interval type to 'Hours', you will get time table entries something like this: 12/31/2014 00:00:00; 12/31/2014 05:00:00; 12/31/2014 10:00:00; 12/31/2014 15:00:00 etc.
This option is for setting a custom daily timestamp if it should be different than 00:00:00.
Eg. setting an accurate time stamp to 18:00:00 will produce time table entries something like this:
Use this setting to determine how often you would like to refresh your data from this data source.