# Calculate Number Of Months Between Two Given Date

Apr 12, 2006
Start date: 12/04/2004

End date: 12/04/2006

The formula should give the answer to 24 months

Example 2

Start date: 12/04/2004

End date: 13/04/2006

The formula should give the answer to 25 months

When I use function =(YEAR(A4)-YEAR(A3))*12+MONTH(A4)-MONTH(A3), it does not

show 25 months for "Example 2" as it is still within the same month "April"

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Mar 14, 2014

I need a formula that will calucalte the monthly total based on the following conditions:

Col A = Yearly Cost

Col B = The number of the month when the costs are starting (1=Jan etc)

Col C = The duration or the number of months for which the costs are to spread

Col D is Year 2013 with the months across columns D-O. Row 1 above those columns shows the month's corresponding number.

Right now I have =IF($B3<=D$1,$A3/$C3,0) however if my start month is 1 and my duration is 5, I need the costs to stop after May. I've attached a sample file. Calculate based on start month and duration.xlsx

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Jul 14, 2009

I have a row containing:

Date entered

Name

Date of Birth (DOB)

Occurrences of Name + DOB this Month

Occurrences of Name + DOB within last 3 Months

Occurrences of Name + DOB within last 6 Months

I can manage the occurrences this month but haven't a clue how to calculate the 3 and 6 months ones. I have attached a sheet.

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Feb 1, 2012

I need to automatically calculate the number of months a deal runs through 2012 dependant on the start and end date.

I have attached a basic spreadsheet. Column C shows the results I would like the formula to calculate.

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Oct 5, 2007

Is there a formula which would show the number of months between two dates eg.

15-Jan-06 to 30-Nov-07 = 23 months

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Jul 30, 2007

Is there a way to add # of months to a date and then find out what would be the exact date?

For example if cell A1 = 04/30/07 and Cell B1 = 14 what is the statement that would give me 06/30/08 in Cell C1?

Also, how can I modify the statement if Cell B1 = 14.5 to get 07/15/08?

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Jan 25, 2010

I have a start date for a contract in cell AM1. I need AN1 show a date six months from the start date in AM1. I am fine with that part.

However, I would like for AN1 to calculate not only a six-month date but also to auto-update to the next six month date from AM1 once the first six month date is about, let's say, one month past. What I am doing is calculating when a six-month inspection needs to be completed; these inspections are ongoing, so I need them to auto-update.

So let's say a contract was awarded today, 25 JAN 2010. That would be value in AM1.

I want AN1 to produce a date six months from 25 JAN 2010, which would be 25 JUL 2010 (yes, this way of calculating the six month date is fine). Then around, let's say, 25 AUG 2010, I want AN1 to auto-update to produce the next six month date, which would be 25 JAN 2011 (six months from 25 JUL). Obviously the function would need to relate to TODAY() in some way.

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May 19, 2014

I am trying to calculate the number of months in a specific year between two dates.

For example.

Start date 01/06/2012

End Date 01/02/2013

Number of months in 2012 = 6

Number of months in 2013 = 2

How can I write a formula to give me the answer of 6 & 2 from the start and finish dates?

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May 15, 2009

I am working on a sheet that will allow a user to enter a start month (from a pre-defigned drop down list) and an end month (again from ddl). What I need to calculate is in what months the employee worked in so I can calculate their salary cost by quarter.

It can populate other cells in order to do the calculation if needed. So, for example if an employee started in May, and worked until December, I need to calculate that he worked 2 months in Q1, 3 months in Q2, 3 months in Q3, and 0 months in Q4. Our fiscal year is April to March.. ;-) I have thought of several options, but none of them have worked 100%.

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Jul 25, 2014

I have added 3 tables data .. also I had created a sample solution calc for emp1 and project1 ... I need to calculation the ratio between the months based on the working days and allocate the efforts accordingly.

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Dec 9, 2009

I've developed a spreadsheet in Excel 2000 where one of the cells contains the number of months a quantity will last, calculated by taking the total amount and dividing it by the amount used each month (a constant).

I would like to have another cell where that number is translated into the future date that number of months represents, so that in addition to seeing how many months the total amount will last, one can see when the amount will be depleted.

For example, suppose it is December 9, 2009 (as it is now) and the number in the number-of-months cell is 6. Then, is there a way that when 6 is calculated, in another cell appears something like June 9 2010 or 6/9/2010 or 6/9/10 (assuming the computer's clock is correct)?

It would be nice if the formula would handle decimals too, such as the date for 6.4 months, but that's not essential.

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Jan 22, 2009

I would like to calculate the number of years and months that have passed since a certain date. Would like it in a number format so I can pickout those who have gone reached 5 year increments during each month.

Such as someone reaching 40 injury free years in June of this year I can let them know.

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Sep 30, 2011

Just wondering if there is a formula where I can change the date an employee started working into the number of months employed??

Example, John Smith started here in January 2011. I would like the formula to return 8 months.

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Jan 12, 2008

I have a "start date" and an "end date". Is there any way to tell how many months are included in 2007 from those two dates using a formula? For instance, from 01-Feb-04 to 01-Feb-07, there is 1 month in 2007 (January). And likewise, 01-Jan-05 to 01-Jan-08 there is 12 months in 2007.

As noted, I have the start and end dates. I don't have the "how many months in 2007".

Start Date End Date How many months in 2007

01-Feb-0401-Feb-07 1

01-Jan-0301-Jan-06 0

01-Apr-0401-Apr-07 3

01-Feb-0301-Feb-06 0

01-Mar-0401-Mar-07 2

01-Feb-0401-Feb-07 1

01-Dec-0401-Dec-07 11

01-Jan-05 01-Jan-08 12

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Dec 13, 2011

I'm trying to write a function that takes a date in format YYYYMM and adds/subtracts a number of months.

for example: newDate(YYYYMM,numMonths)

newDate(201109,5) would give 201202

newDate(201102,-4) would give 201010

I was thinking i could use the left/right function to retrieve the month and year ........

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May 19, 2009

I need a formula that will calculate the number of days from a date entered into cell A1 to today's date. Whether it's before or after todays date. Example:

5/10/2009 to today is -9

5/22/2009 to today is 3

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Apr 2, 2009

I have two columns of dates, leave start and end dates (when people start leave i.e. annual leave). Would need to introduce column(s) to calculate how many days fell within the month including the end date and excludes weekends.

For example, if the staff on leave from 31st March to 6 April, i need to show that the number of leave taken as 1 day in March and 4 days in April.

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Jun 26, 2007

Take a look at the attachment file. Those highlighted in yellow are entered by the user. What is the formula to calculate the End date in (A6) after the user has entered the start date (A2) & the number of weeks (A4)?

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Jul 19, 2009

Cell A1 is a past date. In cell B1 I would like how many months have gone by since todays date. eg. Cell A1 = July 07, B1 would = 24 months.

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Aug 19, 2007

I was given the formula below to calculate the quarter to date number. The months from 1/1/05 thru 12/31/07 are in cells C3-AL3.

First - can anyone explain the formula so I may understand it and possibly modify it for other uses

Second - wherever the formula has 3:3 and I copy it to the next cell below it, I have to change the 4:4 to a 3:3 - any suggestions on how to do this easily.

By the way, the formulas are in column AO, staring on row 4.

=SUM(OFFSET(A3,1,MATCH(DATE(YEAR(Date!$C$6),INT((MONTH(Date!$C$6)+2)/3)*3-2,1),3:3,0)-1,1,MATCH(Date!$C$6,3:3,0)-MATCH(DATE(YEAR(Date!$C$6),INT((MONTH(Date!$C$6)+2)/3)*3-2,1),3:3,0)+1))

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Jul 7, 2013

How can i get the actual Payment due date from no. of days using macro. i. e.

Posting Date Dues Payment Date

------------ ------ ---------------

22.06.2013 21 days ???

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May 18, 2006

I need to calculate on a spreadsheet the number of days between a specific date and the date the spread sheet is opened. I need to know the number of days a merchandise has been stored.

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Aug 6, 2013

Of the 52 weeks in a year, I want to know the week number that a date falls in, e.g. date - 05/08/2013 falls in Week No. 32. What's the formula to get this answer?

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Apr 1, 2014

Need to calculate the number of days in December between two dates 11/20/2013 and 1/20/2014, how many days are in december? a formula that can calculate this?

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Feb 6, 2009

I need to have a cell with a date in it then the next cell needs a formula to caluclate how many days it has been since that date???? I'm a real novice with excel.

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Dec 30, 2013

I would like to calculate the week number of the month based on a date.

Now my days would only include working weeks (Monday - Friday).

Supposed the date is 12/31/2012:

M

31-Dec

T

1-Jan

W

2-Jan

TH

3-Jan

F

4-Jan

Since it only occupies 1 day of the workweek, then it will be considered as Week 1 of January. If the date is 1/28/2012:

M

28-Jan

T

29-Jan

W

30-Jan

TH

31-Jan

F

1-Feb

It will be considered as Week 5 of January since it occupies 4 days of the working week. If the date is 4/29/2013:

M

29-Apr

T

30-Apr

W

1-May

TH

2-May

F

3-May

It will be considered as Week 1 of May since it occupies only 2 days of the working week.

Basically if the date's month occupies 3 or more of the working days of the workweek then it will be considered as part of that month's working week. Is this possible with formulas? I tried to explain it the best I can.

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Feb 21, 2014

I'm trying to create a new column which calculates the number of days from the today's date to the due date of an invoice. Also a Column that an invoice is/was overdue.

Column A - Clerk inputs date that invoice was received

Column B - Clerk inputs the date that the bill was paid

Column C - Auto populates the due date of the invoice (20 days after the invoice is received)

Column D - I want a number of days to auto populate based on today's date that will show how many days we have to pay the bill. Example: today is 2/19/2014, bill is due 2/22/2014 (Column C), column D should read 3 (I would prefer is the number is black for "we have days left to pay", red for "we're behind")

*Extra bonus for Column D, if the column goes blank after a date is entered into Column B* - but not necessary

Column E - I would like if the date the bill was paid (Column B) is greater than the date the invoice is due (Column C) to show "Overdue" in the cell.

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Jan 21, 2010

I am trying to find a way to calculate the number of hours between date/times found in separate rows. The attached data set will help to envision what I am talking about.

For each couple of rows, I need to find a way to calculate the number of hours elapsed from row 1 to row 2. In the first example, to calculate the number of hours between 12/2/2009 8:56:51 and 12/4/2009 6:35:27.

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Sep 24, 2012

i am trying to work with a formula that will look at date today (NOW) and compare this to a due date and in return provide me with only the working hours total. Working hours are 8am to 4pm (8 HOURS).If the due date is passed this will be a negative figure.

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Nov 9, 2009

I need to be able to calculate age in months, and round whatever remainder to the middle of the month (.5). I am calculating z-scores and percentiles for in a childhood obesity project. The DoB and Date of measurements must be converted to read anything from 142.0 to 142.9 as 142.5.

This value will be used to look up the the appropriate LMS (Box Cox, Median, and Standard Deviation) in another excel table. I have to be able to compute age in months so 142.5, 143.5, 144.5, 144.5 etc. It is just not rounding off to the nearest half month.

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