Add any number of days, months or years to a date with this simple trick
Let’s say you have a date in A1 and want to find out future date after 2 years, 4 months and 9 days.
Here are a few formulas you can try.
- =A1 + DATE(2,4,9)
- =EDATE(A1, 2*12+4) + 9
- =A1 + 2*365 + 4*30 + 9
Surprisingly, each formula gives a different result! So which one should you use?
Let’s test them with a sample date to see the results.
Assuming A1 has today’s date, ie 2nd of August, 2016, we get below results respectively.
But which one is the correct answer?
We can use manual calculation to find the correct answer.
Today is 2nd of August 2016, so:
- Adding 2 years to it, we get 2nd of August 2018
- Adding 4 months, we get 2nd of December 2018
- Adding 9 days, we get 11th of December 2018
That means, the correct formula would be =EDATE(A1, 2*12 + 4) + 9
Which one would you use?
My preference is to use EDATE() when doing any date arithmetic that involves months or years. For adding either days, I use simple date + number method. For adding workdays, I use either WORKDAY() or WORKDAY.INTL() formulas.
What about you? What formula would you use to add any number of years, months and days to a give date? Please share your formulas in the comment section.
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If you and Excel are always on a bad date, you could use some advice. Check out below tutorials to have an amazing dating scene.
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This post is part of our Awesome August Excel Festival.
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