How to Edit / Delete Vacations and Holidays?

1. Go to Settings from side bar menu
2. "Type" required info in a "Search Box"  at the Top Right Corner
3. Click on "Student Attendance" 
4. Click on "Vacations and Holidays" Option
5. Click on "Edit or Delete" option from "Action Column" 

Note: 

Which you want to Delete&Edit of any Vacation or Holiday