Calculate Days Open
Explanation In this example, the goal is to calculate the number of days a ticket/case/issue has been open. We start counting on the date a ticket was opened and stop counting on the date a ticket was closed. If there is no closed date, the ticket is still open. Because dates in Excel are just serial numbers , the math is quite simple. We can simply subtract the “Opened” date from the date today, which we calculate with the TODAY function....