Sort by DateTime multidimentional array in C#

Question

I attached the Source Code of the my C# Console Application, Its half completed, I am remaining with the sorting part of below assignment, so let me help in how to sort array which contain DateTime data.

Expense Manager

Note : Use the collections (whi)

Menu

1. Add Income

2. Add Expense

3. Account Summary

Add Income

Take following As Input

        1. Predefined Category Selection :

        2. Title

        3. Amount

        4. Date

Add Expense

Take following As Input

        1. Predefined Category Selection

        2. Title

        3. Amount

        4. Date

Account Summary

show output : Category | Title |  Amount | Date

        1. Expense

                1. Sort by date

                2. Sort by name

                3. Group by category

        

        2. Income

                1. Sort by date

                2. Sort by name

                3. Group by category

        3. Total

        show output

        Total Income :

        Total Expense :

I want help in above red Marked part of the assignment. that is sorting part, I used arrary, so I have to sort array, I found help for sort the list of DateTime, but Can I convert array to List and sort, please help me regarding Sorting part,  attached the Source Code, Hope by that code will get proper exact reply.