Click the checkbox next to each item in this list that is the same as 12:00 pm. When you're done, click 'Merge Duplicates.'

Click the checkbox next to each item in this list that is the same as 12:30 pm. When you're done, click 'Merge Duplicates.'

Click the checkbox next to each item in this list that is the same as 1:00 pm. When you're done, click 'Merge Duplicates.'