The Calendar in the Zoho Crm provides the ability to manage
your time and events from within the Crm via its preferences
 
1.     How to set preferences
 
a.     Click the calendar icon located in the top right of
your Crm
b.     Click Day, Week or Month to view the calendar
c.     Select Options, then Preferences
d.     Specify the following
                                           i.     Days
in a Week view
                                         ii.     Week
starts on
                                        iii.     Day
starts at
                                        iv.     Day
ends at
                                          v.     Weekly
Holidays
                                        vi.     Activity
Type
                                      vii.     Default
Event Duration
                                     viii.     Default Call Duration
                                        ix.     Hide
events based on days after they have passed
                                          x.     Hide
declined events    
 
e.     Specify the following to set reminders for upcoming
events
                                        xi.     Events
                                      xii.     All
day events
                                     xiii.     Turn off reminder via email
                                     xiv.     For
notifications, select Notify me when an event is assigned to me checkbox
 
f.     Save