overlapping range

  1. E

    Calculating the overlap time between observations

    Hi all, I'm working on a large dataset (85 K obs), for each observation I have a start date, start time, end date, end time, a field defining whether the observation is a commercial or a show and channel. I want to calculate the amount of overlap time between observations such that they are both...
  2. J

    Conditional Formating for overlapping times.

    I have posted the spreadsheet below. (no macros) http://dl.dropbox.com/u/3345769/invoice.xlsx I have a spread sheet that is used for billing out time. The times cannot overlap. So I have created conditional formatting to indicate that the times are overlapping. There is a bug somewhere that...
  3. M

    *** HELP *** Checking for time overlap of multiple records based on criteria

    Hello, This may be one of those "impossibles", but I am stuck on where to even start with this formula. I am trying to use EXCEL to create a small resource schedule. Each "row' can be considered an activity or a shift. If for a particular "resource name" the resource has been double booked...

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