# Calculate Number Of Months In Specific Year Between Two Dates?

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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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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Nov 7, 2009

I am needing to create a formula that will calculate the number of paychecks and the dates for the calendar year. There is some employees that are paid bi-weekly and some bi-monthly.

For Example:

A1-Employee, A2-Hire Date, A3-Pay Frequency, A4-Number of Paychecks

Based on the hire date and pay frequency it will calculate the number of paychecks in A4.

Is this something that can be calculate with excel or would it need to be done manually.

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Aug 21, 2007

I am building a template to auto populate budget value by straight line based on task start/end date criteria. some tasks could give me correct duration distribution, but some don't. I am looking for If function, which could give me correct monthly allocation budget. Here is an example of what I am trying to achieve. task 0110 duration is from 09/15/07 to 05/24/08, duration month is 8. budget $34,465supposed to be allocated to 8 month starting from Sept, 07. but my if logic return 9 month instead.

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Dec 20, 2006

I have two columns with dates (and times) in that I am trying to define how many days, hrs and mins have elapsed i.e. A1 has 12/12/06 21:00, B1 has 17/12/06 21:00. C1 has B1-A1 and is custom formatted to show as dd"days" hh"hrs" mm"mins". In this case it will therefore show as 5days 0hrs 0mins. Which is correct.

However, if more than 1month has elapsed then the format m"m" d"days" h"hrs" m"mins" does not work. For example 17/03/06 03:00 to 20/12/06 07:00 shows as 10m 4days 4hrs 00min, which it clearly isn't.

I know the reason it does this is because it calculates the difference between the two times and adds that to it's 0 value, which in my format is 01/01/1900 00:00. therefore when it adds 277days (the answer) it becomes 04/10/1900 04:00, so my formatting is just calling the month value ('10') and the day value ('4').

I understand the reason it does this, 277 days on from 01/01/1900 is indeed Oct 4th, but 277 days on from 17/03/06 is not 10months and 4 days as there are different length months in between. It also seems to add a month on, possibly because the format for 'months' is between 1 & 12 and therefore cannot begin at 0?

Does anyone know if it's possible to force excel to work out the correct number of months and days have elapsed between two dates and not apply it to 01/01/1900? Or any other possible solution, maybe with a different custom format?

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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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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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Dec 20, 2013

I want to display the percentage of occupancy for each month for condo rentals.

I have columns with dates that represent bookings throughout the year. check in and check out dates to be more precise. (A1 and B1 for example) and I have columns with months Jan, Feb, etc. (C1, D1, etc. for example)

The problem I run in to is that I can calculate the number of days between the dates and the fraction of the year (*12 to get a monthly value, but I fail to understand how I can break that up so that I can populate each month with a correct percentage of the total term.

E.g. A1=1-jan-2014 and B1=20-jan-2014 is an easy one because it only covers 1 month:

formula: =(YEARFRAC(A1,B1,3))*12 gives me 62,47% which I could just use as is for that month.

So far so good, but when the period covers more than one month or when the months overlaps, I don't know how to break the outcome up into the appropriate months to display the correct percentage for each month in its own column.

e.g. A1=1-jan-2014 and B1=20-Mar-2014 gives me a result of 253% with the same formula.

100% for November, 100% for December and 63% for January, which I could somehow formulate to break up over different Months.

But then it gets more tricky. What if the booking starts on a day other than the 1st of the Month?

e.g. A1=5-jan-2014 and B1=20-Mar-2014

The result of the formula (243%) is correct, but isn't sufficient to put the correct percentages for each month in their respective column.

What formula(s) should I use to break down the percentages to match the correct fraction of each individual month?

I attached an example of what I have so far for your review : test.xlsx

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Jan 22, 2008

I want to be able to count the number of days in a specific year between two dates.

Suggested formula input: DaysInYear(Date1,Date2,Year)

Examples:

DaysInYear(3/3/2005,3/3/2006,2006) should return 62 (31 in Jan, 28 in Feb and 3 in Mar.)

DaysInYear(3/3/2005,3/3/2007,2006) should return 365

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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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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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Jun 17, 2014

i have column A and B with list of dates. Column A has earlier dates when compared to column B.

i am trying to find a formula with which i can know the difference between the dates in "number of months".

Ex: Column A has 06/01/2014 and Column B has 08/30/2014. The difference between the dates in terms of month is 3 which i need in a formula.

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Mar 20, 2014

I have a problem again with one of Date Dif function " =DATEDIF(I5|J5|"m") " in attached file i have this function applied to calculate number of months in between two given dates but it seems this function is not working properly or i am missing some info in this to make it run properly. How to fix this function or give me a proper one which can solve my problem to calculate accurate months between these dates in attached file...

Excel Date problem.xlsx

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Oct 31, 2012

i have first date in cell a1 and second date in cell b1. I want formula to to how many months are in between these two dates,, for example

first date: 1 jan 12

swcond date: 5 apr 12

result: 4

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Aug 19, 2009

I'm using the Calendar Control to determine 2 dates. 1 Starting Date and 1 Ending Date. I'm trying to determine the total number of months between those two dates down to 2 Decimal Places. I also need to get the total number of weeks and days but those are much easier and I've been able to work those out by the following:

VB: AutoLinked keywords will cause extra spaces before keywords. Extra spacing is NOT transferred when copy/pasting, but IS if the keyword uses "quotes" ........

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Jun 8, 2007

I want to calculate leave on the basis of Date of joining (DOJ). Rule is:

If DOJ is not he first day of the month, then no leave is earned for that month. Suppose DOJ is 26/12/2006, for Dec.2006 no leave is earned. One leave will be earned in January 2007 & subsequent months.

But if DOJ is 01/12/2006, then one leave will be earned in Dec.2006 & subsequent months also.

A zip file containg two excel files is attached for ready reference.

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Jun 4, 2009

I need a simply excel formula or macro which calculates the numbers of months i need to accrue for certain costs. The data I have includes the start month of the invoice, the end month of the invoice (i.e. showing how long the invoice is relevant for, quite often 1 year), and obviously the current month.

(eg. a 12 month invoice with a start date of Oct 08, end date Sep 09, current May 09 = 8 mths to accrue)

(eg2. a 12 month invoice with a start date of Apr 09, end date of Mar 10, current May 09 = 2 mths to accrue)

(eg3. a 12 month invoice with a start date of Jun 09, end date of May 10, current May 09 = 0 mths to accrue)

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Nov 13, 2006

if A1 is a start date and B1 is the end date, I want C1 to return the number of months there are between the start and end dates?

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Jun 22, 2012

Is there a simple function for calculating the number of months between 2 dates.

Eg 1/5/2012 - 8/9/2020

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Jul 27, 2013

I need to calculate the number of quarters difference between two quarter and year values. So I have The following:

Begin Quarter

Begin Year

End Quarter

End Year

3

2005

2

2011

4

2008

2

2013

So I need calculate how many quarters have passed since the begin quarter and the end quarter.

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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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May 1, 2008

I need to calculate the hrs between two date and time and deduct any time outwith the hrs of operation (09:00-19:00), if the date and time falls outwith these times.

I have used the formula 24*IF(A2>G2,G2+1-A2,G2-A2), where G2 IS 21/04/2008 11:45 and A2 is 20/04/2008 00:22, but can't get it right.

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Mar 22, 2014

How to create a spreadsheet with what I think will be a very simple formula?

If date in B2 - date in A2 is 1 or less days, put a 1 in cell C2.

If date in B2 - date in A2 is 7 or less days but more than 1, put a 2 in cell C2.

If date in B2 - date in A2 is 30 or less days but more than 7, put a 3 in cell C2.

If date in B2 - date in A2 is 90 or less days but more than 30, put a 4 in cell C2.

If date in B2 - date in A2 is 91 days or more, put a 5 in cell C2.

OR

Another, maybe simpler, way of saying it is:

If date in B2 - date in A2 is 1 or less days, put a 1 in cell C2.

If date in B2 - date in A2 is 2-7 days, put a 2 in cell C2.

If date in B2 - date in A2 is 8-30 days, put a 3 in cell C2.

If date in B2 - date in A2 is 31-90 days, put a 4 in cell C2.

If date in B2 - date in A2 is 91 days or more, put a 5 in cell C2.

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Dec 6, 2013

I have a date column (Column E: Date Entered) on my spreadsheet that I need to set conditional formatting on. There are two conditions:

1) 18 months from the date in the cell needs to be highlighted yellow

2) 24 months from the date in the cell needs to be highlighted red

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Dec 1, 2012

In a sheet I enter the following:

... in A1 a year (say 2012)

... in A2 a month, formatting as "MMM" (JAN, FEB, MAR etc.)

How to automatically get in column A (say from A3) all the dates of the month entered, formatting as "D/M/YYYY" (e.g. 1/1/2012, 2/1/2012/ 3/1/2012, etc.)?

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Jul 29, 2014

I am trying to calculate the number of days between two dates where the arrival date is in b5 and the departure date is in c5 for each month. I have been using the following formula =IF($C5="","",MAX(0,MIN(L$1,$C5)-MAX(K$1,$B5))) but when the stay is a full year it is giving me 365 in a single column. I think maybe I need to add in the number of days in the month but not sure how to do it.

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Jul 28, 2009

I have a start date formatted as dd/mm/yyyy in cell A5

I have an end date formatted as dd/mm/yyyy in cell E5

In cell F5 I would like the result of the number of days between E5-A5 (Excluding weekends)

In cell G5 I would like the total number of days in the range F5:F25

In cell H5 I would like the total number of working days from A5 to Today

I am using the following formula to get the result in F5 etc

=SUM(INT((WEEKDAY(A5-{2,3,4,5,6})+E5-A5)/7))

I have copied this down and in the blank cells I get #NUM!

In cell F? were there is no date entered in cell E? I get a minus number (which I can hide using conditional formatting), but the minus number obviously has an affect on the result in G5, as cell G5 gives me #NUM! instead of the result for the current numbers in row F

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Dec 11, 2013

I'm looking for the formula to calculate the number of winter days between two dates.

Say, that I'm having:

- Winter season start date (say Dec 1st)

- Winter season end date (say, March 1st)

=> All the days which are between these two are considered winter days for any given year.

- Two different dates defining the beginning and the end of my PERIOD. The total length of the period may be more than one year.

HOW do I calculate total number of winter days for the PERIOD?

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Jun 4, 2009

I'm new here. I've searched these forums in the past for help, but never had to post, i've always been able to find something by searching. However, this time I couldn't find anything that addressed my specific need so I figured it'd be worth a shot.

Alright, I have two sets of dates, and i'm trying to set up a formular that calculates the numbers of days from the first date range that overlap/fall within the second date range.

For example:

In A3 type "1/1/2006"

In B3 type "1/1/2007"

In C1 type "6/30/2005"

In C2 type "6/30/2006"

Now, in C3 i'd like to insert a forumla that tells me how many days in the date range of 1/1/2006-1/1/2007 fall in the date range of 6/30/2005-6/30/2006. Basically for this is should be half the year, however many days that is.

Is this possible with a formula?

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