Sample Code:
System.debug(‘Current Year is ‘ + Date.Today().Year());
System.debug(‘Current Month is ‘ + Date.Today().Month());
System.debug(‘Current Day is ‘ + Date.Today().Day());
System.debug(‘Yesterday Date is ‘ + Date.Today().addDays(-1));
System.debug(‘Tomorrow Date is ‘ + Date.Today().addDays(1));
System.debug(‘Today Date and time is ‘ + DateTime.Now());
Output: