YEARFRAC & Leap Years
Jul 30, 2007
It looks like a pretty silly problem but it's driving me mad. The yearfrac function takes a two dates and a basis. Now assume basis = 1 ( Act / Act ) and two cases:
1) 06-Jan-06 -> 06-Jan-08 ( 730 days ) = 1.998175182 =>> divisor = 730/1.998175182 = 365.33333
2) 06-Jan-05 -> 06-Jan-07 ( 730 days ) = 2 =>> divisor = 730/2 = 365
In case 1) 2008 is a leap year ( but the "leap" has yet to come! ). Can anyone explain me the logic behind? I suppose the extra day is divided by 3 but where is the "Actuality" of the divisor?
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Aug 28, 2007
I have a date 07/28/2027 and need Excel to calculate a date 65 years in the future taking into account leap years.
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May 29, 2009
I need to ignore February 29 when subtracting 1 day from another,
We have the DAYS 360 formula available .... I need a DAYS 365 sort of formula. Any ideas?
For example,
F5 = 5/1/2017
F4 = 9/12/1985
F5 - F4 = 11554
but I want it to be 11546 because I want to pretend February 29 never happened in any of the years between the two dates.
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May 28, 2008
I've typed in the following code in VBA to run see which year is a leap year etc. The code is not working form me is this the right function am using?
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Sep 25, 2009
I could use a little help with a leap year (they sure are great, eh?) formula.
There's a cell (A1-K1) with a year in it (2008-2018)
The part of the formula I need is something like this:
=IF(A1 has 366 days,366,365)
So I can put this at the end of my formula.
Should be simple, but my 1044-page Excel 2000 selfhelp Bible can't offer me the solution.
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Jun 10, 2014
I need a formula that will calculate the number of days (ex from 10/1/08-1/1/12) and will differentiate between leap year and a regular year. I am trying to calculate interest between 2 dates and leap year is calculated on a different interest rate. Right now I have it set up so I have to manually type in the leap years in a separate field instead of being able to just you point a to point b.
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Sep 18, 2009
I need to determine if the input date (Yearx) in a userform is a leap year. I tried doing this: Leap = Evaluate("MOD(Yearx, 4)") IF Leap = 0 then (show 29 days on my planner).
But no matter what date I put in, it generates "0" as the value for Leap, so indicates that February has 29 days. Obviously I'm not doing this right.
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Nov 4, 2008
I am working on a retirement calculation sheet. For retirement calculations the employees need to figure out their highest yearly income for three out of their last ten years. The three years can be based on any consecutive twelve months but each of the three years must be the same months, (example, Jan thru Dec, or July thru June). The three years cannot overlap.
Here is what I have so far. Column A, paydate. Column B, amount. Column C, year to date amount. Column D, amount for past 12 months.
I would like to list the three highest years in the first 3 rows of Column E.
Any help is greatly appreciated.
Pay Date Gross Year to Date Gross
Past 12 Months Highest 3 Years 08/10/06 3,594.58 3,594.58 3,594.58
08/24/06 3,332.79 6,927.37 6,927.37
09/07/06 2,595.59 9,522.96 9,522.96
09/21/06 2,457.36 11,980.32 11,980.32
10/05/06 2,457.36 14,437.68 14,437.68
10/19/06 2,457.36 16,895.04 16,895.04
11/02/06 6,212.51 23,107.55 23,107.55
11/16/06 3,206.09 26,313.64 26,313.64
11/30/06 4,104.56 30,418.20 30,418.20........
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Apr 21, 2009
how to change years in a row after i put in a year in K i have add the file
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Jan 14, 2009
I need to calculate YTD sums using the data that spans three years. I am using
SUM(B2:INDEX(B2:AC2,MATCH($B$10,$B$1:$AC$1,0))). This works fine if all of my data is contained in one year. However, when my data spans multiple years it does not. For example, if I have the following and today is April 2007 I want to calculate Jan-April 2007.
Labor Type09/0610/0611/0612/0601/0702/0703/0704/0705/0706/0707/0708/0709/0710/0711/0712/0701/08
Bus External2404526907569511,2018808059439237781,1216191,0639378001,156
Bus Internal1,4412,7942,9992,5914,0093,9444,2714,3254,7593,5493,0172,4371,9262,9722,3711,7582,931
IT External1,3483,3993,8653,8586,0247,75510,11110,40911,86911,42311,29710,4878,32713,13412,96912,41917,265
IT Internal3,3537,7428,7107,88412,73112,74614,91114,66215,30413,80513,13511,8248,63511,7728,8876,80911,283
Staff Aug12138195169195408796641626340403428469675604395637
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Feb 10, 2009
I have 2 dates..
09-feb-09
15-dec-09
Is therea way to calculate the number of years? this is equivalent to 0.27777 years.
Is there a way to get this with the datedif or another functiom?
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Dec 15, 2008
I have list of dates:
e.g: D/M/Y
1/03/1997
22/05/2005
13/09/1945
I want a new list that just shows the year and is formatted as a number
e.g:
1997
2005
1945
Is there a way of doing this without doing it manually, I have 20,000 observations.
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Aug 7, 2009
The issue is i want years and months between two dates which are not in computer language. Date like 2008/12 and 2010/01. File is attached for you reference
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Mar 25, 2009
i am trying to make and age table to see if a player is too old by years, months and days all i can do is Years i need something like the following
1/10/2009 cut off date birthday is 8/5/1991
all i can do is the following
=YEAR(A3)-YEAR(A2)
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Oct 14, 2009
Please refer to the attached screenshot of my working spreadsheet.
I'm attempting to concatenate lines 86 and 87, month and year together.
The formula I use is: "=C86 & C87" - but I get a large number instead of "October 2009"
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Dec 15, 2008
I have two dates, one is a start date the other is todays date, I want to subtract the start date from todays date and show the number of years. But a small twist is I only want to take the years away from each other, ignore day/month. Start 01/05/2000 todays date 01/10/2008 years = 8. Start 10/10/2000 todays date 01/10/2008 years = 7, want it to still show 8 years and ignore the start day/month.
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Jan 15, 2012
I got a column with dates like:
07/01/11
06/30/11
12/31/11
01/01/12
02/14/12
etc.
Now i'd like to populate a combobox with only unique years [i.e. 11 and 12]
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Mar 14, 2012
I have a spreadsheet with my students that needs to find the date a person will be 18. based on their date of birth. I have =B27+(365.25*18) where their DOB is in B27. I have had several instances where it is correct and several instances where it is a day off.
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Apr 4, 2012
I have been trying to figure out a formula to convert the amount of months in a certain cell to years.
I have come up with:
=INT(E29/12)&" years "&MOD(E29,12) & " months"
The problem is it comes up with 2 years 3.37063951499227 months
How I change it to come up with 2.4 months, round it to the highest number instead of loads of decimal places? I have tried change cell E29 do 0 decimal places but it doesn't work.
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May 24, 2012
I need to calculate a quote over 4 years but the first and last years are not full 12 months.
On Row 20 are monthly costs for each year. The start and end date is in Row 3.
I need to find a formula that can calculate ANNUAL TOTAL for the all these year in Row 22 populated automatically, not just manually times the months in each cell.
Here is a sample file.
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Apr 27, 2008
I created a wedding list with a bunch of fields for each household: first name person 1, second name person 1, first name person 2, second name person 2, street #, street address, apartment, city, state and zip. Then I realized that I probably needed to combine fields for each line of the address so I created 3 combined fields: 'combined 1 ' that looks like this "joe smith & patsy cline," a 'combined 2,' that looks like "14 jones street, #3," and a 'combined 3,' that looks like "New York, NY 10037."
I haven't printed to labels for years and when I did some quick research via the help function on excel it said to print labels via word...which worked fine until i got to this section: " In the Mail Merge Recipients dialog box, click any column labels in your data that correspond to the Word identifiers on the left. This step makes inserting your data in the form documents easier. For more information about matching fields, see Word Help. "
I have no idea what this means, but here's what I need to figure out: " how do I print labels using just 3 of 8 existing columns in my spreadsheet, i.e I just want to use combined 1, combined 2 and combined 3 for the 3 lines of the address. My first instinct was just to cut the contents of the combined fields into a new spreadsheet and just do it taht way, but I created the combined fields using a formula which relates to the other fields........
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May 20, 2009
In Column B I have various dates i.e [01/02/2008]. I Need a formula that will count the number of times the year 2008 appears in column B.
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May 28, 2009
I am building an investing strategy model and am looking for a fomula or combination of formulae that would subtract an amount (lets say a 100) every so many years (lets say 10). Data is set up horizontaly, i want to be able to set how much will be subtracted and how often in a "control panel" next to other inputs and variables. I am not proficient in Macros and most often have trouble with them so if its possible to solve this without using any that would be great.
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Jul 4, 2009
I have the following:
A2= 01/20/2000 B2= 02/05/2000
A3= 09/05/2001 B3= 10/15/2008
C2 and C3 is where the answer will be.
what formula can be used to find out how many January 31th has passed between those ranges of years?
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May 11, 2006
I'm wondering how you can quickly create a row of labels holding Year 1, Year 2, Year 3, etc. I used to know how but I can't seem to remember anymore and can't find how to anywhere.
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Oct 5, 2006
I was asked by a colleague how they could put a persons date of birth in one cell, todays date in another, and return their age in years and months. Accuracy to within a month. This is what I gave them.
=TRUNC((B1-A1)/365.25)&" Years "& ROUND(((B1-A1)/365.25-TRUNC((B1-A1)/365.25))*12,0)&" Months"
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Dec 4, 2006
I have a list of subscribers, each with an account id and the years for which they have subscribed. Each account id can be listed up to five times. I am trying to find out how to use advanced filter(or some other way!) to find those accounts that were subscribers in any of the previous four years but not the current year.
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Apr 12, 2007
Which formula should I use to return years and months between two dates.
4/1/05 7/30/25
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May 16, 2014
I need to create variables that splits out a length of stay across years and enters the number of days in each of those years into separate year variables. Below are two sample cases:
CaseID StartDate EndDate
222 12/23/1988 01/01/1997
22112/25/1989 2/12/1990
After creating different variables for the different years, in this case: 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, I want to be able to pull out the number of days that goes into those years as separate variables.
Thus
caseID daysin1988 daysin1989 daysin1990 daysin1991 . . . . 1997
222 9 365.25 365.25 365.25 0
221 742
and so on
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Jun 6, 2014
I am trying to create a function where the user can type in a single month, and 2 different years, and it will calculate/compare that single month from the 2 different years entered.
For Example: I type in January, and I type in 2014 and 2013. The excel formula will spit out whether January 2014 is over/under January 2013.
See attached for my sales report. You can see where I left some space for the requested function.
as it is the last change I have to make to the sales report.
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