Is any have aware of required fields in object
Is it possible to customise the required  fields that are created by salesforce
 i.e :- i want to change require filed to normal field

i have a visualforce page to search for records whose date is equal to the selected date in visualforce page.
how can i create a custom date field in vf page?

i have an object Schedule__c with a custom DateTime field Date_Time__c

i want to have a date field in the visualforce page to use for searching. is it possible?