How to Convert Text to Dates [Data Cleanup]

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How to Convert Text to Dates

Sometimes when we import data from another source in to excel, the dates are not imported properly. This can be due to any number of reasons, including,

  • The date format is different from one that is understood by excel
  • The data has some extra spaces, other characters before and after the date values.
  • The dates are formatted for another country (or date system) and hence your version of Excel wont recognize them.
  • The separator between date, month and year is not a known separator (for eg. 12=DEC=2009 instead of 12-Dec-2009), etc.

In this post, we will learn some tricks and ideas you can use to quickly convert text to dates.

Technique 1: Use Text to Columns Utility

  1. First copy the source data and paste it in a text file (open Notepad and paste there).
  2. Now copy the values from text file and paste them in Excel.
  3. At this point, Excel will prompt you for using “Text to columns” utility (or Text Import Wizard as it is called in Excel 2007)
    Text to columns utility (Text Import Wizard) Prompt
  4. Go to the Text Import Wizard (or Text to Columns dialog).
  5. Leave defaults or make changes in step 1 & 2.
  6. In step 3, select “Date” and specify the format of the date – like YMD, MDY, DMY, YDM, MYD or DYM. It doesn’t matter what is the format of source date, month or year is. Excel can smartly understand them.
    Text to date using Text Import Wizard in Excel
  7. Click “Finish”.

That is all. Your text dates are now converted to excel understandable dates.

Technique 2: Using Formulas to Convert Text to Dates

  1. Paste the data in a column (say “A”)
  2. Now depending on the format of source data, write one of the below formulas to convert text to dates.

Using DATEVALUE formula

DATEVALUE formula tells excel to fetch the date from a given input. It is a smart formula capable of converting dates stored as text to excel understandable date format. To convert a text in cell A1 to date, you just write =DATEVALUE(A1)

However, DATEVALUE formula has some limitations. It cannot process all types of dates. For eg. I have shown a few sample dates along with corresponding DATEVALUE output.

Using DATEVALUE formula to convert Text to Date

Readjusting Date Text so that it works with DATEVALUE formula

Whenever possible, your next best option is to re-adjust the source data text so that it can be understood by DATEVALUE formula. Here is an example.

Using Text formulas and DATEVALUE to convert Text to Date

We can use the text formulas like LEFT, RIGHT and MID to extract portions of the date text and then regroup them using & operator to create meaningful date text format that would be understood by DATEVALUE formula.

Technique 3: Using DATE formula to Convert Text to Dates

If your data has separate columns for date, month and year, you can use DATE formula to convert the data to dates like this:

=DATE(year,month,day)

For eg. =DATE(2009,12,31) will give the date 31st December, 2009.

Bonus Technique: Converting Dates to Text

If you want to convert excel dates to text values (for your report or some other purpose), you can use the TEXT formula like this:

=TEXT(A1,"DD-MMM-YYYY") will convert date in Cell A1 to DD-MMM-YYYY format. You can pass any other date / time formats to TEXT formula as well. [more: tutorials on TEXT() formula]

How do you deal with troublesome dates?

Of course, if it is a real date, we can always bolt. But if it is a date in the data, we need some tools to deal with it. I used to rely on formula based methods to clean the dates. But recently I discovered the import-text date conversion method. This is very powerful and straightforward. Now, I use it whenever possible to clean up my date data.

What about you? How do you deal with buggy / faulty dates in Excel?

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25 Responses to “Shift Calendar Template – FREE Download”

  1. Alvin says:

    Hi Chandoo,

    your recent postings include only Excel 2007 templates. Unfortunately the company I work at still runs Excel 2003. Is it possible to get your awesome files in other excel version as well?

    Thanks so much for your great excel stuff!

  2. Stelios Tserkezis says:

    Is it possible to do this for shifts with hours instead of days? To organise a three shift day?

    Thanks in advance,

    Stelios

  3. MASTHAN says:

    In my organization there are 45 employees i need split then into three shifts ex:A shift:14,B shift:14,C shift:14 and week off:3 kindly help me on this.

  4. Hui... says:

    @Masthan

    You need to understand what rules your company has for the various shifts / roster combinations

  5. Georges Lacombe says:

    Chandoo, I once did a shift control spreadsheet for my team. I put one person in each line, the columns were the days. I put a shift code in each cell indicating in which shift that person should work, or if the person were out that day. I have two codes for being out. One is for vacations and one is to compensate days worked in weekends. This way I was able to count how many persons I have in each shift, how many were on vacations and how many were out compensating (that's the term we use here) weekend worked hours.
    Later I included the possibility of a person be in two lines one for normal hours other for overtime. This is mainly used for planning purposes. If you would like I can send you an example. The only problem of this spreadsheet is that we don't have a person view, only this consolidated view.

    • Chuck Vaughan says:

      Hi George, I would like to have a copy of your spreadsheet if you can share it.
       
      Thanks in advance, Chuck   

  6. Idan says:

    Hi Chandoo,

    Where is the code located ? is it VBA ? If so , how do you hide it ? Or it is .NET ?

    Thx

  7. Hui... says:

    @Idan
    .
    No VBA or code, it is all done with Mirrors.
    Only Joking,
    .
    But there is no VBA or code,
    It is all done with Named Formulas and Lookups.
    Have alook at the cells in the calander area and Named Formulas in the Formulas, Name Manager Tab.

  8. Anand Sant says:

    How can i calculate between two or more different workbooks? Please, reply me as early as possible.

    • Hui... says:

      @Anand
      Open the workbooks you want to link to
      Start a formula = and click and change between workbooks as required.
      You can use the View, Switch window menu to change workbooks mid formula

      The format for using workbooks is
      =[Workbook.xlsm]Sheet1!$A$1
      or
      =SUM('[Book2.xls]Sheet1'!$A$1:$D$10)
      etc

  9. Shemi says:

    Hi Chandoo,
    I am working with a call centre wherein i ned to update at the month end 20 to 30 employees login hours which are defict to track it at the month end is very difficult is there any template which can be made to track that why on a particular day a guy who needs to be on calls was why not on calls.

  10. Denice Lognshaw says:

    Thank you so much Chandoo. This is really helping me. As usual, you rock.

  11. Mukesh Verma says:

    What's FortyTwoDays and Calendar in Name manager?

    Both are unused and FortyTwoDays doesn't make any sense.

  12. Dave says:

    I have a SQL db that contains records of events scheduled/completed on a particular date. Can this method ous building a calendar be used to display those events on the respective day?

  13. Jan Halliday says:

    Positively awesome!
    I'm attempting to help a friend create a schedule for adult classes - and of course its not"paid help".  Here is the scenario:
    20 classes, instructor, room#, student class size, start date, number of class days (need to subtract weekends)

    class
    instructor
    room
    students
    start
    #days

    PATH
    karen
    201
    21
    01/01/13
    11

    BILLING
    jane
    401
    15
    01/12/13
    13

    MEDISOFT
    mike
    301
    11
    01/25/13
    9

    he'd like to see these classes show up in different colors within the same month's calendar chart.  He can draw it, but I'd like to see it done automatically through data, and I just can't visualize it, but I KNOW this will work - can you help?
    Jan 🙂
     

  14. Chan Tean says:

    Dear chandoo,

    Try many way to download still can't access. Any way we want to try out 3 shifts with 3 guys in a group .eg Group A Morn, Group B Night and Group C Rest. And every each group must work on sunday to take turns. In fact we are security teams so that's why sunday is required to work. Pls guide and show how to put in the working calendar. Thank you in advance.

  15. Veronica Burggren says:

    I've been trying to copy and/or recreate this to use in a workbook I'm doing for the transportation department I'm working for. I need to have the calendar on the first sheet in my document (it has graph's from data on another sheet). I'm trying to use it to track (with the conditional formatting) accidents and injuries. I've redone the conditional formatting to do 4 different accident types (no injury, near miss, OSHA recordable injury and work loss injury), but when I enter the formula's you have in the calendar portion where it says "DateOfFirst-FirstWeekDay" I can't figure out how you did that. Are you able to help?

  16. Pipin Fantom says:

    I would like to use Excel to solve the following problem for a community work. I want to create a Driver schedule for a given month from a pool of volunteers for a community service. Each of these volunteers can drive only on specific days in a week. I would like to populate the driving schedule for each weekday with primary, secondary and tertiary drivers in a random fashion so that I do not overburden one person. I would greatly any help you can provide.

  17. Ravichandra says:

    Hi chandoo,
    Thanks for your valuable effort for create this template and let me know how to add multiple employees in the the Roaster.

  18. Savitha says:

    Hi Chandoo,

    This article on shift roaster is very helpful. Could you please let me know how i can use the same for n number of resources who work 24/7, considering their leaves and holidays?

    Thanks,
    Savitha

  19. Balu says:

    Hi Chandoo,

    This article on shift roaster is very helpful to all. Could you please let me know how i can use the same if I want to add for some more shifts, since the color is not getting change if I add more shifts like 4,5 etc.,

    Thanks,
    Murali

  20. Sarah says:

    How can I change the date to 2017 under Shift Data worksheet.

  21. Cad says:

    solution 1:
    mydata=B2:C16
    stoplist=E2:E8

    =LET(RNG,A2:A16,SMR,C2:C16, F,(RNG=E2)+(RNG=E3)+(RNG=E4)+(RNG=E5)+(RNG=E6)+(RNG=E7)+(RNG=E8),SUM(SMR)-SUM(SMR*F))

    =LET(RNG,A2:A16,SMR,C2:C16,RH,N(B2:B16=B2), F,(RNG=E2)+(RNG=E3)+(RNG=E4)+(RNG=E5)+(RNG=E6)+(RNG=E7)+(RNG=E8),TOT,SUM(SMR)-SUM(SMR*RH*F),SUM(SMR*RH)-SUM(SMR* RH*F))

    ALTERNATE SOLUTION
    =SUM(C2:C16)-SUM(FILTER(C2:C16,ISNUMBER(BYROW(A2:A16,LAMBDA(a,TOROW(SEARCH(a,E2:E8),2))))))

    =SUM((B2:B16=B2)*(C2:C16))-SUM((ISNUMBER(BYROW(A2:A16,LAMBDA(a,TOROW(SEARCH(a,E2:E8),2))))*(B2:B16=B2)*(C2:C16)))

  22. Cad says:

    let
    Source = Excel.CurrentWorkbook(){[Name="Table1"]}[Content],
    #"Replaced Value" = Table.ReplaceValue(Source,null,";",Replacer.ReplaceValue,{"Column1"}),
    #"Transposed Table" = Table.Transpose(#"Replaced Value"),
    #"Removed Other Columns" = Table.SelectColumns(#"Transposed Table",{"Column1", "Column2", "Column3", "Column4", "Column5", "Column6", "Column7", "Column8", "Column9", "Column10", "Column11", "Column12", "Column13", "Column14", "Column15", "Column16", "Column17", "Column18", "Column19", "Column20", "Column21", "Column22", "Column23", "Column24", "Column25", "Column26", "Column27", "Column28", "Column29", "Column30", "Column31", "Column32", "Column33", "Column34", "Column35", "Column36", "Column37", "Column38", "Column39", "Column40", "Column41", "Column42", "Column43", "Column44", "Column45", "Column46", "Column47", "Column48", "Column49", "Column50", "Column51", "Column52", "Column53", "Column54", "Column55", "Column56", "Column57", "Column58", "Column59", "Column60", "Column61", "Column62", "Column63", "Column64", "Column65", "Column66", "Column67", "Column68", "Column69", "Column70", "Column71", "Column72", "Column73", "Column74", "Column75", "Column76", "Column77", "Column78", "Column79", "Column80", "Column81", "Column82", "Column83", "Column84", "Column85", "Column86", "Column87"}),
    #"Merged Columns" = Table.CombineColumns(#"Removed Other Columns",{"Column1", "Column2", "Column3", "Column4", "Column5", "Column6", "Column7", "Column8", "Column9", "Column10", "Column11", "Column12", "Column13", "Column14", "Column15", "Column16", "Column17", "Column18", "Column19", "Column20", "Column21", "Column22", "Column23", "Column24", "Column25", "Column26", "Column27", "Column28", "Column29", "Column30", "Column31", "Column32", "Column33", "Column34", "Column35", "Column36", "Column37", "Column38", "Column39", "Column40", "Column41", "Column42", "Column43", "Column44", "Column45", "Column46", "Column47", "Column48", "Column49", "Column50", "Column51", "Column52", "Column53", "Column54", "Column55", "Column56", "Column57", "Column58", "Column59", "Column60", "Column61", "Column62", "Column63", "Column64", "Column65", "Column66", "Column67", "Column68", "Column69", "Column70", "Column71", "Column72", "Column73", "Column74", "Column75", "Column76", "Column77", "Column78", "Column79", "Column80", "Column81", "Column82", "Column83", "Column84", "Column85", "Column86", "Column87"},Combiner.CombineTextByDelimiter("|", QuoteStyle.None),"Merged"),
    #"Split Column by Delimiter" = Table.ExpandListColumn(Table.TransformColumns(#"Merged Columns", {{"Merged", Splitter.SplitTextByDelimiter(";", QuoteStyle.Csv), let itemType = (type nullable text) meta [Serialized.Text = true] in type {itemType}}}), "Merged"),
    #"Added Prefix" = Table.TransformColumns(#"Split Column by Delimiter", {{"Merged", each "|" & _, type text}}),
    #"Replaced Value1" = Table.ReplaceValue(#"Added Prefix","||","|",Replacer.ReplaceText,{"Merged"}),
    #"Split Column by Delimiter1" = Table.SplitColumn(#"Replaced Value1", "Merged", Splitter.SplitTextByDelimiter("|", QuoteStyle.Csv), {"Merged.1", "Merged.2", "Merged.3", "Merged.4", "Merged.5", "Merged.6", "Merged.7", "Merged.8"}),
    #"Removed Columns" = Table.RemoveColumns(#"Split Column by Delimiter1",{"Merged.1"}),
    #"Removed Duplicates" = Table.Distinct(#"Removed Columns")
    in
    #"Removed Duplicates"

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