How to display 15 mins time interval in webgrid from 10am to 4 pm in MVC

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SQL

server

MVC4

EF5.0

I am developing a asp.net MVC application.Here i want to display 15 mins time interval and one textbox displayed each time for that particular day.

Example:

Time Activity
10.00am Go for Breakfirst
10.15am return for Breakfirst
10.30am Back to study
10.45am write physics note
11.00am write Chemistry note


this will show from 10am to 4PM.

My problem is that,how to display the time in 15mins time interval in mvc webgrid. Please help.Thanks in advance.

What I have tried:

I am confused how to display 15 mins time interval in webGrid in MVC.