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WEEKDAY: Determining the day of the week

From: Excel 2010: Working with Dates and Times

Video: WEEKDAY: Determining the day of the week

It's not always an obvious thing to do, but being able to determine day of the week for a given date could be some good valuable information. For example, you've recorded some sales here on different dates in the first part of 2010. You're a little bit curious as to how the operation works. You've had some ups and downs with your sales force. You're trying to figure out which day of the week these particular sales occurred on. So on Cell B2 here, we're simply going to enter the formula =WEEKDAY. Now you can by formatting have the day of the week actually appear in Column A, but sometimes you really want to isolate this information in a separate column in adjacent cells.

WEEKDAY: Determining the day of the week

It's not always an obvious thing to do, but being able to determine day of the week for a given date could be some good valuable information. For example, you've recorded some sales here on different dates in the first part of 2010. You're a little bit curious as to how the operation works. You've had some ups and downs with your sales force. You're trying to figure out which day of the week these particular sales occurred on. So on Cell B2 here, we're simply going to enter the formula =WEEKDAY. Now you can by formatting have the day of the week actually appear in Column A, but sometimes you really want to isolate this information in a separate column in adjacent cells.

So the WEEKDAY of this particular sales date is 6. Six? The numbering scheme is 1 is Sunday, 2 is Monday etcetera, therefore 6 is Friday. You can certainly live with this, and I will double-click to copy down the column kind of quickly. But I think for many of us we would like to see the day of the week actually spelled out or at least abbreviated. So in case, press Ctrl+1 or right-click, Format Cells. And jump immediately into the Custom category on the Number tab.

And click in the panel where it says General and type in either 3 d's if you a 3 letter abbreviation of the day of the week or four 4's for a full spelling. And there we see the entries this way. I think most will prefer to make the change this way. Now there's an alternate setting in there too, if you wish to have the numbers be 0-6. I can't think of a good reason for doing that exactly, but that's another possibility too. But for many people this is an enlightening feature that they just did know that the capability existed. And it does make sense here and there to analyze your data based on the information about the day of the week.

Use the WEEKDAY function.

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Excel 2010: Working with Dates and Times

28 video lessons · 5432 viewers

Dennis Taylor
Author

 
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  1. 1m 33s
    1. Welcome
      1m 13s
    2. Using the exercise files
      20s
  2. 5m 29s
    1. Understanding how Excel records and stores dates
      3m 56s
    2. Understanding how Excel records and stores times
      1m 33s
  3. 12m 59s
    1. Looking at standard date/time entry options and acceptable alternatives
      2m 51s
    2. Using instant date/time entry
      1m 27s
    3. Using the TODAY and NOW functions for dynamic date/time entry
      3m 4s
    4. Using Auto Fill to enter date and time series
      5m 37s
  4. 6m 17s
    1. Exploring keystroke shortcuts
      1m 45s
    2. Formatting time for hours over 24
      2m 16s
    3. Creating custom date formatting
      2m 16s
  5. 17m 45s
    1. EOMONTH and EDATE: Calculating ends of months and future/past dates
      4m 30s
    2. DATEDIF: Calculating date differences by year, month, day, and more
      4m 17s
    3. WEEKDAY: Determining the day of the week
      1m 49s
    4. NETWORKDAYS: Calculating working days
      2m 26s
    5. WORKDAY: Calculating ending dates
      1m 56s
    6. DATEVALUE and TIMEVALUE: Converting text entries into dates and times
      2m 47s
  6. 21m 9s
    1. Calculating date differences across days, months, and years
      1m 45s
    2. Calculating time differences within and across days
      4m 56s
    3. Calculating fiscal years and quarters
      5m 24s
    4. Rounding time calculations to convenient intervals
      4m 42s
    5. Using times with currency calculations
      2m 44s
    6. Calculating holidays (Labor Day, Thanksgiving, Memorial Day, etc.)
      1m 38s
  7. 15m 18s
    1. Using special date filters with date data
      3m 27s
    2. Using date controls in data validation rules
      5m 41s
    3. Using date functions in data validation rules
      3m 7s
    4. Converting unusually formatted dates into usable data (text to columns)
      3m 3s
  8. 18s
    1. Goodbye
      18s

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