Datedif doesnt work

DatedIf Not Working - Microsoft Tech Communit

Re: DATEDIF function is not working in Excell 2013 you know you can tweak the datedif formula for the occasions the dates are reversed. =iferror(Datedif(C5,D5,Y),Datedif(D5,C5,Y)) or =IFERROR(DATEDIF(C5,TODAY(),Y),DATEDIF(D5,TODAY(),Y) DATEDIF doesn't work - ERROR. Hello, I trying to count difference between two dates with DATEDIF, but is doesn't work. I receiving this error window. I already tried repairing Office installation. Where is the problem

Problem with DATEDIF function - Microsoft Tech Communit

  1. Im trying to find the number of years between two dates formatted 00/00/00. I'm using =DATEDIF(A1, A2, Y) and I'm getting an error. Why does this not work? A1 = 09/15/05 A2 = 08/01/0
  2. Why is DATEDIFF not working below? Solved! Go to Solution. Labels: Labels: Need Help; Message 1 of 4 416 Views 0 Reply. 2 ACCEPTED SOLUTIONS smpa01. Resident Rockstar Mark as New; Bookmark; Subscribe; Mute; Subscribe to RSS Feed; Permalink; Print; Email to a Friend; Report Inappropriate Content ‎02-27-2020 09:20 AM @Pick please try this. DATEDIFF('Table'[Start],'Table'[End],SECOND) New.
  3. Links to this website doesn't work to older links previous migration, and the built-in search feature which happened to work wow! in our tests in the real world it doesn't work for me at least. Let me take the upward example, my loved topic about DATEDIF function originally titled Excel 2007 started by Nitika.Kaul, yes, I remember tha
  4. If Date 1 is later than Date 2 Excel will return a #NUM error. If Date 1 or Date 2 is not a valid date you will get a #VALUE error. If the unit is not one of the above options Excel will return a #NUM error. The table below illustrates some examples of the DATEDIF function. The problematic units are M and MD
  5. So in cell H14, I put =DATEDIF(G14,G13,D) When I do this, I get a number error. If I select show calculation steps it shows DATEDIF(38180,38148,D) - so I know it's reading the dates correctly. If I remove the quote marks around the D the error changes to a NAME error instead of a NUM error - the rest is the same. Why these errors? How can I fix this? It's driving me nuts. I'm using lots of formulas in this spreadsheet, as well as functions like SUM(), and they work.

Solved: Excel DATEDIF problems with the formula, sure it's

DateDif function is not available in ms excel 2016

Mar 15, 2017 · DATEDIF is not a standard function and hence not part of functions library and so no documentation. Microsoft doesn't promote to use this function as it gives incorrect results in few circumstances. But if you know the arguments, you may use it and it will work and in most of the cases will give correct results Unlike DAYS, DATEDIF doesn't work in reverse order, so use the start date first and the end date second. Datedif function is not supported in Xcelisus Mar 01, 2010 at 07:48 AM | 10 Views I need to calculate the days between two dates. I trid to use the DATEDIF function(=DATEDIF(A1,B1,D)). In the design time, it works fine, but when I preview . 18/11/2008 · the HDATE command doesn't. Excel provides the DATEDIF function in order to support older workbooks from Lotus 1-2-3. The DATEDIF function may calculate incorrect results under certain scenarios. From My Online Training Hub For some reason Microsoft [doesn't] think the DATEDIF function is worthy of any documentation since Excel 2000 =DATEDIF(A1,B1,md)& days does not work properly if the dates are 1/12/2011 and 1/11/2012. The correct answer should be 30 days since md takes the date in the first cell, A1, strips out the year and month and calculates days between that day and the day of the second cell, B1 DatedIf Not Working - Microsoft Tech Community. Education Details: Jan 18, 2021 · Re: DatedIf Not Working @cdersarkisian I'm on my iPad and it reads the formula fine however I think it's the y that is not working or any of its variants however I have no grounds backing that theory whatsoever so I really need someone's help please, I really need this function to work for me lo

The DATEDIF (Date + Dif) function is a compatibility function that comes from Lotus 1-2-3. For a long time, official documentation on DATEDIF was sparse. Even now (May 2021), Excel will not help you fill in arguments for DATEDIF like other functions DateDif doesnt work on Excel Online? unsolved. I have this formula: =DATEDIF (H4,B2, d) I get Value! 5 comments. 84% Upvoted The DATEDIF Function in Excel is a terrific tool to determine the difference in years, months or days between a starting date and an ending date. However, Ex..

Excel uses whole days between two dates to work out the fraction of a year as a decimal value. For example: = YEARFRAC (1-Jan-2018, 1-Jan-2019) // returns 1 = YEARFRAC (1-Jan-2018, 1-Jul-2019) // returns 1.5. The YEARFRAC function has an optional argument called basis that controls how days are counted when computing fractional years. The default behavior is to count days between two. Using Date Functions within DateDif Working Example. How to Insert a Function. There are a couple of ways to insert a function into an Excel Worksheet. Select the cell where you want your formula to be and select Insert function command, located to the left of the formula bar. This will bring up the Insert Function Window. Search for the Function you want to use, and select go. We will not be.

However this does not work if the StartTime is after the EndTime. This happens quite a lot if open and close are on different days. Any ideas? April 27, 2020 at 4:34 pm Reply. Tomasz Poszytek. Right. But how can StartTime be ater EndTime? That's a wrong logic Anyways - if you can make it work having StartTime before EndTime, then simply add IF to check if StartTime = EndTime and if yes. DatedIf Not Working - Microsoft Tech Community. Education Details: Jan 19, 2021 · Re: DatedIf Not Working @cdersarkisian I'm on my iPad and it reads the formula fine however I think it's the y that is not working or any of its variants however I have no grounds backing that theory whatsoever so I really need someone's help please, I really need this function to work

Excel does not know what D represents. For you function, you should be using a string, or a variable that refers to a string. You probably want D. But note that for days difference, simple subtraction (as noted by @KenWhite) works just as well. - Ron Rosenfeld. Jan 30 '16 at 2:01. Add a comment | 2 Answers Active Oldest Votes. 2 You should use: =DATEDIF(D8,E3,D) Otherwise the D is not a. DATEDIF function not working on Excel 365 (Mac) I want to get the difference between 2 dates which are in the following format (YYYY-MM-DD) by referencing their cell, however after using the DATEDIF formula like this: Nothing happens at all, and the cell stays as is, and does not respond like a function. (i.e: stays as shown above 3. The DATEDIF function has its origins in LOTUS 1-2-3, and apparently Excel provides it for compatibility purposes. It has been available since Excel 5, but Excel 2000 is the only version that ever documented it in its Help system. The function takes 3 arguments: start_date, end_date, and a code that represents the time unit of interest

Calculate your age, WITHOUT using Excel's DateDif function. My previous post on using Excel's DATEDIF function resulted in rather productive discussions on LinkedIn. First of all, some users are concerned that the DATEDIF function will no longer be supported in Excel and will cease to exist at some point in the future DATEDIF has three arguments - start date, end date, and date unit (year/month/ or date). Syntax =DATEDIF (start_date, end_date, unit) In this article, I will use some examples and situations to show you how the DateDif function works. At the end of the post the download link is available with the file I used. 1. Datedif to calculate years With the weekday unit, DATEDIF does not count Saturday or Sunday when calculating days. This means that the difference between Friday and Monday is one day. Business day. With the business day unit, DATEDIF uses the BUSDAYS parameter setting and holiday file to determine which days are working days and disregards the rest. This means that if Monday is not a working day, the difference between.

Datedif Not Working In Exce

Where exactly built in datedif function doesnt work, can you please share some example. Rgds Last edited by in.vaibhav; 10-16-2012 at 07:25 PM. 10-17-2012, 04:59 AM #3. Rick Rothstein. View Profile View Forum Posts Private Message Forum Guru Join Date Feb 2012 Posts 641 Rep Power 10. Originally. The 3 rd parameter of the function (the most important). The first 3 codes are easy to understand. d (day) calculates the difference in number of days between the 2 dates.; m (month) calculates the difference in number of months; y (year) calculates the difference in number of years; The other codes return a value within month or day limits. ym will return the number of months inside a year SQL Server does not count full years passed between the dates, it calculates the difference between the year parts only. In PostgreSQL, you can get the year parts from the dates and subtract them. PostgreSQL: -- Difference between Oct 02, 2011 and Jan 01, 2012 in years SELECT DATE_PART ('year', '2012-01-01':: date)-DATE_PART ('year', '2011-10-02':: date); -- Result: 1. PostgreSQL - Date. For the time being, you can't find the SEQUENCE function because your version of Excel doesn't support the new dynamic arrays feature. As of late July 2020, you need a subscription version of Excel to get dynamic arrays. Perpetual release Excel 20..

Let's look at some examples of DATEDIF function and explore how to use it in Microsoft Excel. Example 1: Number of years between two dates. Input values of start_date & end_date are entered in C5 and E5 cells. Then, you have to enter the below formula to display the output of difference in years. =DATEDIF(C5,E5,Y) DATEDIF Function in Excel. Click Enter to display the output in the G5 cell. Let's just test the waters first to see how the DATEDIF function works in its simplest form. We have two dates in cells A2 and B2, and we'll compute the difference between them using the following formula: = DATEDIF (A2, B2, d ) The formula sets the unit to d which means the final output will be in terms of complete days. The function will return the difference in days between the two. Note that because Excel dates are just large serial numbers, the first formula does not need DATEDIF and could be written as simply the end date minus the start date: = C5-B5 // end-start = total days. Example 3 - Difference in months. The DATEDIF function can calculate the difference between dates in months in two different ways: (1) total complete months, (2) complete months ignoring years. DATEDIF is practically an insider tip, as the function is not even included in the internal list in the software. The function for calculating the difference (DIF) between two points in time (DATE) is a relic from Lotus 1-2-3, the predecessor to Microsoft Excel. DATEDIF is intended to calculate the length of a period of time and output the result in different units

DATEDIF function is not working in Excell 2013 [SOLVED

The result works fine. I then want to take the answer and if the age is 11 or over, give a result of 250. If the age is 10 and under, give the result 200. I have tried using the IF formula, but it won't work on the cell with the DATEDIF formula as a value. I can get the IF formula to work on blank cells if I put the age in manually as a number but not if I use the result from the DATEDIF cell. DateDif. To get the number of days, weeks or years between two dates in Excel, use the DATEDIF function. The DATEDIF function has three arguments. 1. Fill in d for the third argument to get the number of days between two dates. Note: =A2-A1 produces the exact same result

Datedif function doesn't work when I use the cell with a date as start date reference. Programming and Web Development Forums - MS EXCEL - This section provides information about Excel commands and functions, Excel states, worksheet and expression evaluation, active vs. current worksheet, and worksheet reference If you have a standalone version of Excel that does not have the IFS, MAXIFS, MINIFS, SWITCH, CONCAT or TEXTJOIN function you have a few options to get the functionality. Option 1: Install the Excel PowerUps Premium Suite add-in. The Excel PowerUps Premium Suite add-in, available on this site, enables an IFS, MAXIFS, MINIFS, SWITCH, CONCAT and TEXTJOIN function (in addition to about 80 other. As you probably noticed, the Excel DATEDIF function does not have a special unit to calculate date difference in weeks. However, there is an easy workaround. To find out how many weeks there are between two dates, you can use the DATEDIF function with D unit to return the difference in days, and then divide the result by 7. To get the number of full weeks between the dates, wrap your DATEDIF. The Excel DATEIF function returns the difference between two dates in years, months, or days. In this video you will be able see demonstration of this featur.. But when it's executed in a PHP script or by the way through PhpMyAdmin, Php answer : FUNCTION test.DATEDIFF does not exist With PHP SELECT DATEDIFF('2005-09-20','2005-09-01'); is OK, but SELECT DATEDIFF('2005-09-20','2005-09-01') FROM `termin`; generate errors [26 Oct 2005 17:51] MySQL Verification Team . I tested using PhpMyAdmin and looking the log, I noticed that the query is sent to the.

This function works for dates entered as text beginning with 1/1/0001, normal dates, and can handle dates when the starting date is before 1900 and ending date is after 1900. To use the macro, follow these steps: Start Excel. View the worksheet on which you want to use the function. Press ALT+F11 to switch to the Visual Basic Editor. On the Insert menu, click Module. Type the following code in. Use the DATEDIF function method if you want to get the total number of completed months in between two dates (it ignores the start date) Use the YEARFRAC method when you want to get the actual value of months elapsed between tow dates. It also gives the result in decimal (where the integer value represents the number of full months and decimal part represents the number of days) Use the YEAR. Remarks. You can use the DateDiff function to determine how many specified time intervals exist between two dates. For example, you might use DateDiff to calculate the number of days between two dates, or the number of weeks between today and the end of the year.. To calculate the number of days between date1 and date2, you can use either Day of year (y) or Day (d) Thank you! Any more feedback? (The more you tell us the more we can help.) Can you help us improve? (The more you tell us the more we can help.

This does not happen with the Excel's DATEDIF() function because Excel hasn't provided documentation of this function within its library. However, the Microsoft's website does tell you about this function in detail. No DATEDIF() Function in the list. . Anyways, let's see how this formula work. The standard syntax for DATEDIF() function is: =DATEDIF(start_date, end_date, unit) The. Why Other Solutions Didn't Work. SharePoint workflow (neither 2007, 2010 or 2013) has a built-in action to do the calculation, similar to like a NETWORKDAYS formula in Excel. Ok, so then I turned to posts online talking about using a calculated column to do the formula. Cool I think we're on to something. But as I got to thinking, it wouldn't fly. So I can create a calculated column on DATEDIF(A1,B1,ym)& months )&DATEDIF(A1,B1,md)& days This will display only the date components whose value is greater than 0. The day value will always be displayed, but the year and/or the month value may be suppresed. Examples. The follow are some examples of the DATEDIF function. Date1: 1-Jan-2007 Date2: 10-Jan-2007 Interval: d Result: Excel formulas not updating. Symptoms: The value returned by your Excel formula does not update automatically, i.e. the formula continues to show the old value even after you've changed the values of the dependent cells.. When Excel formulas are not updating automatically, most likely it's because the Calculation setting has been changed to Manual instead of Automatic To ignore a formula or don't calculate if the specific cell is blank in Excel, we need to check the specific cell is blank or not with IF function, if it's not blank, we can go ahead to calculate with original formula. In our case discussed at the beginning, we need to enter =IF (B2<>, (TODAY ()-B2)/365.25,) into Cell C2, and then drag the.

I want to be able to calculate only the working hours between these 2 days. Let say that working hours are between 9 and 18. I tried a few things but no luck. Any help will be much appreciated. Thanks. Reply. abdo says: April 7, 2020 at 9:28 pm. thnk you for this function i really lookiing for it but a find it at the end thnks , a hane a small qu'estion what about if a want to add the. If you work with dates prior to 1900, Excel offers little direct help. However, some Excel formulas and a free macro can provide much of the help you need. By. Charley Kyd. 18966. Facebook. Twitter. Pinterest. Linkedin (Download the workbook.) If you work with dates prior to the year 1900, Excel's standard date-handling system will be no help. However, there are several ways around this. Summary: Use New-TimeSpan to produce the time difference between two dates.. I know I can subtract dates, but is there a Windows PoweShell cmdlet to show me the time difference between dates? Use New-TimeSpan and supply the information! For example, to show the difference between today and the upcoming New Year

View an interactive map of the Helium network and all the hotspots currently active around the world. View an interactive map of the Helium network and all the hotspots currently active around the world. Hotspots Beacons Blocks Validators Market Tools. Hotspots Beacons Blocks Validators Market Tools. Helium Explorer. Hotspots. 30 Day Trend. Block Height . Market Price. $22.54-2.17%. DC Spent. value_if_false: Value to be returned if the date does not fall between the start and end date. EXPLANATION. This tutorial shows how to test if a specific date falls between two dates and return a value if the test is True or False. Click on either the Hard Coded or Cell Reference button to view the formula that has the return values directly entered into the formula or referenced to specific. Notice that the partial week calculation given above will not work if the start or end dates fall on weekends; in this case we'd need to decide what to do (either use the previous Friday or the following Monday) in the calculations - and that will depend on the application. Dealing with holidays . Holidays are not something for which we can find a universal formula - each country (or.

DATEDIF doesn't work - ERROR - Microsoft Communit

I can calculate the days between two dates by doing =[Due Date]-[Start Date] and that works. But I want to calculate how many months are between the two dates. I found this formula =DATEDIF([Start. Datedif formula in excel not working. Unit is the type of unit you want to calculate eg. You need to calculate a difference between two dates in excel. Guess what microsoft has a tutorial on how to calculate difference between dates in excel. Thats gonna be easy you think. Date2 is the end date. Im using lots of formulas in this spreadsheet as well as functions like sum and they work just fine. Since Excel will not accept dates before 1900 DATEDIF will not work for dates. Since excel will not accept dates before 1900 datedif. School Great Lakes Institute Of Management; Course Title BACP 101; Uploaded By mithran234. Pages 132 Ratings 100% (1) 1 out of 1 people found this document helpful; This preview shows page 96 - 98 out of 132 pages.. I can calculate the days between two dates by doing =[Due Date]-[Start Date] and that works. But I want to calculate how many months are between the two dates

DATEDIF Does not work MrExcel Message Boar

Notice that the DATEDIF Function only counts fully completed months. It does not return a fractional value. You can use the md input to calculate the number of days from the partially completed month: 1 = DATEDIF (B3, C3, md) and you can join the results together in a string of text to display the months and days difference between the dates: 1 = DATEDIF (B3, C3, m) & Months and. Excel DATEDIF Function (Examples + Video) Excel DATEDIF is one of the few undocumented functions (the other ones I know are EVALUATE, FILES, and GET.CELL). Being undocumented means that you will not find it in the formula list or as a part of the IntelliSense (the prompt that shows up when you type a formula name to show you the names of the matching functions) DateDif StartDate EndDate Days Hours Minutes Seconds MS 1900-06-02 10:40:07.913 2009-02-13 02:44:37.923 2009-07-15 13:24:45.837 152 10 40 7 913 (1 row(s) affected Also see Date, Time, and DateTime data types and working with dates and times for more information. Syntax. DateAdd( DateTime, Addition [, Units] ) DateTime - Required. Date/time value to operate on. Addition - Required. Number, in Units, to add to the DateTime. Units - Optional. The type of Units to add: Milliseconds, Seconds, Minutes, Hours, Days, Months, Quarters, or Years. If not specified. This works well: Best Regards, CY. TechNet Community Support Please remember to mark the replies as answers if they help, and unmark the answers if they provide no help. If you have feedback for TechNet Support, contact tnmff@microsoft.com. Proposed as answer by Wendy DZ Microsoft contingent staff Friday, May 20, 2016 9:01 AM; Marked as answer by arevach Monday, May 23, 2016 5:43 AM; Thursday.

6 comments on Excel 2016 - Auto-sum not working until edit formula or save spreadsheet Sayed Khan says: Tuesday, 16 February 2021 at 6:04 PM. thanks. Reply. Marinela says: Thursday, 17 September 2020 at 8:52 AM. That was such a easy fixMany thanks! Reply. Evelyn says: Monday, 10 August 2020 at 3:36 PM. Thank you very much!! Reply. Jim says: Wednesday, 24 June 2020 at 6:13 AM. This function is an alternative to the VB/VBA function DateDiff, which does not measure full months or full years, and to the not-well-known Excel function DATEDIF, which usually works well, but can give unexpected results near a month end To use the EDATE function to move by years, multiply by 12. For example, to move a date forward 2 years, you can use either of these formulas: = EDATE( A1. Thus, the DATEDIF formula does not take into account days in full moons between 01 and June-2001 and 06-May-2017. The result is 5. Similarly, a unit in a YM row returns the number of months except all full years between start_date and end_date the ym. The formula does not count for entire years between 02-Feb-2002 and 02-Feb-2017. Output is 3. This is the number of full moons that have passed. Sep 14, 2017 - Excel DATEDIF Function does not appear in the intellisense. Sep 14, 2017 - Excel DATEDIF Function does not appear in the intellisense. Pinterest. Today. Explore. Log in. Sign up. . Article from trumpexcel.com. How to Use Excel DATEDIF Function (with Examples) In this tutorial, you'll learn how to use Excel DATEDIF function. It can be used to find the number of years, months, or. The point here is that, as long as the cells contain valid dates, the formatting you use does not affect the calculation that Excel performs. Use the DATEDIF function to calculate the number of days between two dates. Another option for calculating the number of days between two dates is to use the DATEDIF function. This function was included in Excel to provide compatibility with Lotus 1-2-3.

Video: Solved: DATEDIFF not working - Microsoft Power BI Communit

DATEDIF Function not available in Excel 2010? Chandoo

As fixed solution, please consider save the value (abc) into a temporary variable, and then bind this temporary variable to the Text property of the Label. Please set the OnSelect property of the button to following: Set the Text property of the Label1 to following: Please take a try with above solution, then check if the issue is solved Similar to the NOW() or CURRENT_TIMESTAMP() functions, but does not use the local time zone as those functions do. Use UTC_TIMESTAMP() to record TIMESTAMP values that are interoperable with servers around the world, in arbitrary time zones, without the need for additional conversion functions to standardize the time zone of each value representing a date/time IFERROR works similar to an IF statement, however it 'Returns a value you specify if a formula evaluates to an error; otherwise, [it] returns the result of the formula.' In summary, we 'Use the IFERROR function to trap and handle errors in a formula.' (Microsoft Excel Help pages) VLOOKUP has been covered before in these pages; for a reminder of how it works you may familiarise yourself here. Unlike DAYS, DATEDIF does not work in reverse order, so use the start and end dates for a second time. To specify a date in a DATEDIF formula, click the empty cell and click =DATEDIF (01/01/2018,2019,D) to replace the date with your own date. If you want to use a date in a cell reference in a DATEDIF formula, replace the A7 and G7 cell references with your own and enter =DATEDIF (A7, G7,D. DATEDIF Function in Excel. DATEDIf is a date function used to find the difference between two given dates, now these differences can be in years months or days, it takes two dates as an arguments and one keyword to specify which type of difference is desired for the output, the output for this function is integer and the method to use this function is as follows =DATEDIF(Start Date, End Date.

Secret Excel DATEDIF Function - Microsoft Excel, Word and

Arguments used for WORKDAY Formula in Excel. start_date: is the date from which we want to start.It is a required field. day: it is the number of working days before or after the start_date.This value could be negative or positive. When a negative value is passed, the WORKDAY in Excel returns a paste date, and if the value is positive, it gives the future date Whenever I type a function into Microsoft Excel 2013, a small hint box is displayed which lists the function's arguments. For some reason, this hint box doesn't appear when using DATEDIF().I can't find it listed anywhere on the formula tab, nor am I shown any reminder of what arguments to use =DATEDIF(DATE(2009,6,27),DATE(2012,1,5),md) In 2007, this gives me 122. This happens all the way up to the point where the second date is 1/26/2012 and then it hits zero at 1/27/2012. In 2002, however, it gives me the correct answer of 9. ***** An informal survey of fellow MVPs shows the above formula works correctly i Returns the difference of two numbers. Equivalent to the `-` operator. Sample Usage MINUS(A2,A3) MINUS(3,4) Syntax MINUS(value1, value2) value1 - The minuend, or number to be s

Solved: My Excel DateDif() function should work and doesn

The question is - how do we work out the Reply Due date being 3 working days from the received date? (In AcmeCorps case a working week is Monday through Friday) One of the calculated column functions you can use in SharePoint is Weekday which returns 1 for Sunday, 2 for Monday and through to 7 for Saturday. So from here we can work out if the day is. Received: Weekday: Days to add: Reply Due. DATEDIF md Bug and Work-Around. As I mentioned above, using the md unit in the DATEDIF function is not always correct (both in Excel and in Google Sheets). The work-around formula recommended by Microsoft on their support page is wrong even more often. There are two methods for calculating the remaining days, shown below. Method #1 is the method I think DATEDIF uses, but it can lead to.

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The DATEDIF Function. The 'weird' thing about this function is that Microsoft Excel does not automatically fill out the formula for you. You have to have the whole syntax and the order of elements accurately in order to get an accurate result as well. The formula is: =DATEDIF(start_date, end_date, unit) The start_date and the end_date parameters are the same as the ones. An office where I do volunteer work also uses Excel 2013, but does not have the same problem. I was wondering if it is possible to amend the start date of 1 January, 1900 in some way to overcome this. I remember, a long time ago, that in Lotus 1-2-3 we could enter a year as 101 and Lotus would reply with 2001 If you're working with a large dataset, it may not be obvious where all of your errors lie. There are a few ways to find #NAME errors in Excel. There are a few ways to find #NAME errors in Excel. The first method is to press either Control-G (Go To) or F5 and choose Special DATEDIF est une fonction non documentée dans Excel. De Bureau d' appui: Excel fournit la fonction DATEDIF afin de soutenir les classeurs anciens de Lotus 1-2-3. La fonction DATEDIF peut calculer des résultats incorrects dans certains scénarios. De mon centre de formation en ligne. Pour une raison Microsoft [ne] pense que la fonction DATEDIF est digne de tous les documents depuis Excel 2000. Unfortunately, sometimes this simple solution doesn't work and it's time for the harder, formula-based fix, which I introduce below. Manual Formula-Based Solution. We will create a formula to calculate correct dates from the incorrect ones, of which: some are dates with reversed day and month, e.g. 1 February, which we must convert to 2 January; some are text not recognized as date, e.g.