FortiAnalyzer Report Settings: How to set time periods?

Hi All,

How can I generate a scheduled report for a time period from 8pm one day to 8pm the next day?

I do not want 00:00am - 23:59. It doesn't grab the malware report correctly. It leaves out Malware that was caught on a day where I generate the report from 8pm to 8pm the next day range. If I use "Last Week" time period where the malware is caught it is in the report. 

Problem: 

Daily scans run at 8pm.

The daily scan report is time period "Yesterday".

Report generated at 5am.

Scan doesn't catch its own day and time range from 00:00 - 23:59, where the malware was caught at 12:16pm.