[GNC] Start and End of Quarter Dates Incorrect - a Bug?

[Jay McSkimming]

GnC 5.5
Mac OS Sonoma 14.2.1

Running a PNL for previous quarter, the report runs for incorrect dates namely starting a month early and ending a month early.  Similar results for Cash Flow, Income etc.

Seems to me that there’s a bug in calculating these dates correctly.  Runs correctly if dates are manually entered but that defeats the purpose of the system variables.
  
I’ve set absolute dates for Start and End of Accounting Period as below as that suits what I’m doing currently but makes no difference if it is the current FYE 30-6-2024. 

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When I run PNL report for previous quarter ie what should be 1/10/2023 to 31/12/2023, the report is a month out ie a month early.

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