We delve into the Excel Date & Time functions EDATE, YEARFRAC, EOMONTH, and NETWORKDAYS.INT. All are handy for going back and forth in time on retirement dates, expiration dates and more.

Excel’s Date & Time functions ease the workload for bookkeepers, project planners, HR departments, and other jobs where time is money. The four functions covered here—ISOWEEKNUM, WEEKNUM ...