Time overlap detection

Hi,
I want to detect time overlap (interference) in my dataset. I have provided a sample data file. As you see, there is Start date, End date, Start time, and End time columns which show each person's work information. There are some time overlap for each person in those columns. I want to write a VBA code for automating the detection process. Those rows which have interference with each other (for each person) should be detected and rewritten on a new sheet (the whole row should be rewritten).
I couldn't imagine any VBA solution for this problem. I think I need to use VBA Dictionary Object, but I don't know how to implement it for this purpose.
Please help me out. The solution would be very important in my work.
Thanks.

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