[Libreoffice-bugs] [Bug 124231] New: Day function for creating date is off by one

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=124231

            Bug ID: 124231
           Summary: Day function for creating date is off by one
           Product: LibreOffice
           Version: 6.0.7.3 release
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: LibreOffice
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: rossollo at hotmail.com

Description:
I use a spreadsheet between windows and linux and it does some date
calculations.  I noticed that some entries on the Excel side had a value of
3/21/2019 and on the linux side had a value of 3/20/2019.  So when I checked
the two systems were converting a date using the function Date(Year(xxx),
Month(xxx), Day(21))
On excel the value was 03/21/2019  on Libreoffice in linux it was 03/20/2019. 
This caused some values to be incorrectly calculated.  Everything catches up by
the end of the month, but seemed wrong.

Steps to Reproduce:
1.Use the date function =DATE(
2. Generate a date from another date with Year, Month, Day
3. Or just enter =DAY(21) and you will get 20

Actual Results:
Entered =DAY(20) got 19 and entered =DAY(1) and got 31


Expected Results:
Expected 20 and expected 1


Reproducible: Always


User Profile Reset: No



Additional Info:

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