is calendar widget available ?

C# provides the calender control ...
I am developing an application which requires an appointment schedule.
so I have to design calender for person. now can we highlight some of the days with holidays ( holiday color being different)

another thing is when user clicks on dates he should be given with a from and to timings. can we do all this on month calender and suppose the same monthly plan is repeated over all months (i.e. yearly) then all that we set for month applies to year (all months).

or any other user calender in form of component available ?

thanks
Paresh

come on list its important