Why is calculating dates in your head so difficult? It feels like one of those things that should be easy, but seven-day weeks, months with uneven numbers of days, and occasional leap years all conspire to wreak havoc with your math ability. Don’t believe me? How many days are there between January 9, 2015 and June 12, 2017? If you can figure it out in under five seconds, then okay, you’re clearly a genius. But if it takes you longer than that, then count yourself normal — and stop struggling when Excel can do the hard work for you. Calculating...
Read the full article: How to Use Excel to Calculate Between Dates
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