Please Note: This article is written for users of the following Microsoft Excel versions: 2007, 2010, 2013, and 2016. If you are using an earlier version (Excel 2003 or earlier), this tip may not work for you. For a version of this tip written specifically for earlier versions of Excel, click here: Counting Dates in a Range.

Counting Dates in a Range

by Allen Wyatt
(last updated November 28, 2015)

3

If you have a range of cells that are filled with random, non-sorted dates, you may want to figure out how many of those dates fall between a start date and an end date. For instance, if B1:B101 contains the random dates, cell E1 contains the start date, and cell E2 contains the end date, you may want to know what type of formula you can use in cell E4 to return the number of dates in B1:B101 that fall between E1 and E2.

There are actually several different ways you can arrive at a solution. The first, of course, would be to simply add a formula in each cell to the right of the dates in column B, and have that formula return a 1 if the date is between E1 and E2, or a 0 if not. You could then sum the column to get the desired count. You would use the following formula in each cell to the right of the dates:

=IF(AND(B1>=E$1,B1<=E$2),1,0)

This particular formula goes into cell C1, and can then be copied down to cells C2 through C101. Then, in cell E4, all you would need to do is use the following formula:

=SUM(C1:C101)

The drawback to this, of course, is that the additional values in C1:C101 can play havoc with the appearance of a carefully crafted worksheet. Fortunately there are ways to find the proper result without the need to use an intermediate value.

One way is to use an array formula. The following formula, placed in cell E4, will do the trick. All you need to do is remember to enter the formula using Shift+Ctrl+Enter. (This signifies to Excel that you are entering an array formula.)

=COUNT(IF((B1:B101>$E$1)*(B1:B101<$E$2),B1:B101))

If you prefer to not use an array formula, you can use the following standard COUNTIF-based formula in E4:

=-COUNT(B1:B101)+COUNTIF(B1:B101,">"&E1)+COUNTIF(B1:B101,"<"&E2)

When you enter this formula, Excel will assume that you are returning a date value, and will therefore helpfully format the cell as a date. All you need to do to correct this is to use Format | Cell to format the cell using something besides a date format, such as General.

The formula works by counting all dates that are after the early date plus all dates that are before the late date. This essentially counts all dates once and double-counts the desired selection. By subtracting the number of dates in the range (at the beginning of the formula), the formula effectively eliminates all but the desired result.

If you prefer, you can also use the DCOUNT function to return the desired count. This, however, is just a bit more involved. Unlike the earlier solutions, DCOUNT relies on the use of named ranges. Follow these steps:

  1. Place a blank row at the top of your data, which pushes everything down by one cell.
  2. With your dates now in cells B2:B102, select cell B1 and place a label, such as MyDates, in the cell.
  3. Format cell B1 as desired.
  4. Select the entire range, including the label (cells B1:B102).
  5. Using the Name Box (just above the row headers and to the left of the column headers), define a name for the range. The name should be the same as the name you used in step 2 (MyDates).
  6. In cells D1 and E1, place your label name (MyDates).
  7. In cell D2 enter a greater-than sign and the lower date for your range of dates, as in ">4/1/2002" (without the quote marks).
  8. In cell E2 enter a less-than sign and the upper date for your range of dates, as in "<6/1/2002" (without the quote marks).
  9. In cell E4, enter the following formula:
     =DCOUNT(MyDates,1,D1:E2)

The DCOUNT function uses the criteria you specified in D1:E2 to examine the data range defined as MyDates and return the count of cells that meets those criteria.

ExcelTips is your source for cost-effective Microsoft Excel training. This tip (11839) applies to Microsoft Excel 2007, 2010, 2013, and 2016. You can find a version of this tip for the older menu interface of Excel here: Counting Dates in a Range.

Author Bio

Allen Wyatt

With more than 50 non-fiction books and numerous magazine articles to his credit, Allen Wyatt is an internationally recognized author. He is president of Sharon Parq Associates, a computer and publishing services company. ...

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Comments

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What is one less than 9?

2015-11-30 11:25:41

Steven Adams

The newer Excel function COUNTIFS is ideally suited for counting dates in a range.

=COUNTIFS(B1:B101,">="&E1,B1:B101,"<="&E2)

Similar to Boris Ovchinnikov's suggestion but without the concatenate functions.


2015-11-29 00:55:21

Boris Ovchinnikov

Why not to use COUNTIFS function?

=COUNTIFS(B1:B101;concatenate(">";e1);B1:B101;concatenate("<";e2))

[may be this is not the shortest formula that can be used - by IMHO it's easy to understand and construct]


2015-11-28 09:42:56

Eyal

or you can simply use the "counifs" formula


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