Time Bin Intervals

I have searched for a while but only have found solutions using start and end times and recreating those solutions has not worked.

What I am looking for is to create a table that on one axis has day and the other axis has time intervals (30 mins) so I can display the number of tickets in each 30 minute interval for every day in a given month. Creating bins using the built in feature carries the date along with it so I end up with a massive table that shows the date with every time interval. I am just looking to have 30 minute bin vs day. 

To be a little more clear, the field I am trying to convert is a date + time field. I am using that date + time field twice on the same matrix. One axis being the day of that date time field, the other axis being a 30 minute interval bin of that date time field. While the values are just a count of tickets.

Any solutions?