Customizng Calendar Month

[smyana]

Hi, My Company calendar require a different calendar than the standard 'Gregarian Calendar'.
A specific month will start on previous month's last full week's Monday and ends on this month's last-but-one full week's Friday.
i.e. For example, the month of June 2006 starts on 'May 22' and ends on 'June 23'.
Is there anyway I can customize my calendar to show 'my' month of June to show the days between 'May 22' and 'June 23' in Gregarian Calendar.

Thanks.

MSR