Google Sheets Formula to calculate actual total duration of tasks with different start/end dates, overlaps, and gaps
问题 I know I how to do this using a custom function/script but I am wondering if it can be done with a built-in formula. I have a list of tasks with a start date and end date. I want to calculate the actual # of working days ( NETWORKDAYS ) spent on all the tasks. Task days may overlap so I can't just total the # of days spent on each task There may be gaps between tasks so I can't just find the difference between the first start and last end. For example, let's use these: | Task Name | Start