Question about Project Calendars and Personal Calendars

Question about Project Calendars and Personal Calendars

I am evaluating ZOHO projects and using the free account.  Can someone tell me if a separate calendar is created for every project or is there one calendar that has a global view of everything going on?  If there is, can I subscribe to that calendar in iCal/BusyCal?  Is there any relation between the calendar in my ZOHO Projects account and my ZOHO Calendar account?

Thx in advance.

bob