Adding Weeks Or Months To Dates

Dec 17, 2006

a sample of my sheet first....

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Formula: Use Numbers For Weeks & Months

Nov 20, 2006

It's a formula I'm looking for. The best way to describe it is an example.

I have some numerical data on a sheet from cells A2 to A80. This data represents the amount of days each person has spent on holiday. The data will be shown on a graph, but instead of the graph having "1", "2", "3", "4", along the bottom, I'd like it to have "1 week", "2 weeks", "3 weeks", "1 months", "2 months", "3 months".

I -suspect- the formula will involve the " countif" function (or an equivalent) (eg. if the number is less than or equal to 7, add 1 to the "1 week" box, etc.)

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Formula To Convert Months Into Weeks

Aug 13, 2008

I'm having an issue converting months into weeks. My example is I have people who must provide leaving notice (could be months or weeks). For instance column B details months, and column C details weeks. I'd like to convert months (column B) into weeks in column D, but am not sure of the components of such a formula so I won't list or guess as I'm just not sure.

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Date Differences In Days, Weeks Or Months

Jan 3, 2008

I've been racking my brain on this one for awhile, and I feel like I'm going the right direction but...

I have a list of dates like:

or maybe


...and I need to determine if the difference between them is daily, weekly, or monthly. There are 79 of these lists, on 79 different sheets so I can't visually peg them as daily, weekly, or monthly.

The way I have been looking at the problem is to calculate the number of months between the last & first dates and see if the resulting answer (+1) matches the number of actual dates, and so on...

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Conditional Format - Dates Greater Than 18 Months And 24 Months?

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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Converting Dates To Weeks

Jun 27, 2013

Is there a way to convert data that has dates to week by week? such was week 1 week 2 week 3 etc....

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Converting Dates To Weeks

Jul 20, 2006

I require a worksheet function or group of function that will allow me to
convert my dates of format dd/mm/yyyy to Week 1, Week 2, Week 3, Week 4.

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Turning Dates Into Weeks

Jan 14, 2009

"Decision Date". It is a numerical date (ex: 1/5/09 indicating January 5th 2009).

I need to turn that date into the week that it falls into within a particular quarter of a year.
1/5/09 would be Week 2 (it is in the second week of January, and 2nd week of the quarter)
2/3/09 would be week 6 (6th week of the quarter).

And then I need the formula to start over once each quarter restarts... for example, April 1st would be week 1 (1st week of the second quarter).

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Counting Weeks INVOLVED Between 2 Dates

Nov 3, 2008

I've been having problems coming up with a formula that will take a start date and an end date and come up with the number of weeks INVOLVED within this date range (each week being a Sunday through Saturday).

My problems is that the start and end dates could be any day of the week and not necessarily the same day (meaning divisible by 7 doesn't always work). I tried using ROUND((A2-A1)/7,0)+1 where A1 was the start date...and A2 was the end date.

The problem I had was if I picked a Monday as the start date, and went 12 days out (The saturday of week2) came up stating 3 weeks were involved - AND if I selected a Friday start date and picked the following monday in week 2 - the result was 1 week involved when 2 different weeks were involved.

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Formula To Calculate Weeks Between Two Dates?

Jan 13, 2014

find the formula to calculate how many weeks between two dates for example. I how many weeks between

December 23, 2013
January 5, 2014 = 2w

January 6, 2014
January 19, 2014 =2w

January 20, 2014
February 2, 2014

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Grouping Dates Into Weeks Without Using A Pivot Table

Oct 16, 2009

I have a large spreadsheet which lists individual dates over two years and circulation figures next to each date. Sometimes there are two entries for a particular date e.g. 1/10/08 there were 150 readers of magazine A and 200 readers of magazine B. When displaying this on a graph it give a bar for each day, whereas I would like a bar for each week.

Is there a formula to convert the individual dates into weeks and then total the circulation figures for that week?

Column A = Dates
Column B = Circulation Figures

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Count Full Weeks Monday Through Sunday Between 2 Dates

Jul 16, 2014

Another thread that wanted to count "weekends" got me to thinking about this one:

Count the full weeks (from Monday thru Sunday) between 2 dates.

For example...

Data Range






[Code] .........

Full Monday thru Sunday weeks = 1

This array formula** entered in F2:


** array formulas need to be entered using the key combination of CTRL,SHIFT,ENTER (not just ENTER).

Hold down both the CTRL key and the SHIFT key then hit ENTER.

The logic of the formula is:

The max Sunday date within the date range minus the min Monday date within the date range +1 = total days divided by 7 (days in a full week) = full weeks

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Adding Months To A Date In Excel VBA

Jun 5, 2014

I have a date stored in a variable and I need to add month(s) to that date. For example if I have 10/1/2013 in a variable if I add 1 to that month the result should be 11/1/2013. I am using the following formula but the problem is in the result date format, which shows as 1/31/1990, if I add 2 to the original date, the result is 2/29/1900 which ideally should have been 12/1/2013.

My formula is :
ActiveCell.Value = "=date(year(" & last_date & "),month(" & last_date & ")+" & i & ",min(day(" & last_date & "),day(date(year(" & last_date & "),month(" & last_date & ")+" & i & "+1,0))))"

Any other formula to add months to a given date?

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Adding # Of Months To Calculate A Date

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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OR Or IF Adding: Display A Date 3 Months In Future?

Nov 19, 2009

Three columns.

A - Date last checked
B - Due Date
C - Actual Date checked

Currently column B simply has =A+84 and will display a date 3 months in future.. Great..

However now i want column B to still display the 3 month date - unless there is a date in C, whereby i want B to then display OK. SO what im sort of needing is =A+84 (or if somethings in C then "OK")

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Finding Months Between Two Dates?

Dec 23, 2013

finding a formula to calculate the number of months between two dates. I've attached an Excel spreadsheet with sample data. Some are in the future, and some are in the past.

Excel Help.xlsx

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Using Dates And Months In IF Statement?

Aug 10, 2014

I was wondering if this can be done we have a monthly award program so if a date was entered for that drive on this month it would = no if blank =yes but needs to reset each month?

=IF(AND('Driver'!A51:A1000)="",IF('Driver'!A51:A1000>='Driver Bonus'!A3,"YES","NO")) This brings back a #value! error

=IF(AND('Driver'!A51<=A3,'Driver'!A51>=A3),"NO","YES") this works but only for that cell i need to also recognize cells A51:A1000

=IF(MAX(INDIRECT("'"&A8&"'!A51:A1000"))<A3+1,IF(MAX(INDIRECT("'"&A8&"'!A51:A1000"))<>A3,"YES","NO")) this also works but only for 1 day

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Years And Months Between Two Dates

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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Grouping Dates Into Months?

Feb 27, 2013

I have a table with model numbers as column A, and Row 1 contains dates, each columns contains net sales, my question is there any simple way to group all dates into months and years, i have tried using a pivot and it doesnt work correctly Screenshot (1).png

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Months That Occur Between Two Dates

Jan 13, 2010

I would like a formula (if it is possible) that will list which months occur between two dates;

Start Date (Cell ref A2) = 01/01/2010 (in the dd/mm/yyy format)
End Date (A3) = 02/05/2010

In cells D2:O2 I have the months Jan-Dec. In cells D3:O3 I would like a "Yes" to appear if the above month occurs between the dates in A2 & A3. In this example would like a "Yes" to appear in cells D3, E3, F3, G3 & H3 but not in the other 'Months' appropriate cells.

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Counting Months Between 2 Dates

Oct 7, 2011

I need a formula to count the months (including part months) between 2 dates.

So i want 01/04/11 to 5/5/11 to equal 2

I have tried a few formulas that get the answer 1 but i need it to count the part month too.

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Count Dates Less Than 3 Months Old

Nov 28, 2013

I have a column of dates, and wanted to count how many of them are within 3 months of todays date.

I wrote this obvious formula, or so I thought, as it displays zero results, when here should be loads.


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Years & Months Between Two Dates

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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Calculate Months Between Dates

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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Difference In Months Between 2 Dates

Sep 27, 2007

say C2= 22/02/2007. in cell C4 When I use this formula =TODAY()-C2 to get the difference between today and a past date the result the formula give is 07/05/1900
i would like to receive the difference in Months between the past date and today? I.E. HOW MANY MONTHS IN BETWEEN

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Adding Years, Days, Months To Date/time Format

Apr 26, 2007

I have some cells which must be in the format 15/06/2007 15:25

I then need to add either days, months or years onto it.

Say the above date/time is in cell A1, when I do =YEAR(A1)+5 it displays 2012 if I choose the general cell format, but when I select the same cell format (date time) it comes out as 04/07/1905 00:00

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Adding Values Between Two Dates And Dates Are Also Derived By Formula?

Dec 9, 2013

I have attached an excel sheet for your reference. I have particular debit values that are to be added between the dates. And Dates are also derived by formula based of payment term.

The ones I need to modify is Highlighted in Yellow. The values to be added is in "Customer Statement" and in H Column

These dates also have formula by which there are derived

-------------------------Current Ageing-------------------------
Date Range

Start Date
End Date[code].....

I am USing =SUMIFS('Customer Statement'!$A:$A,'Customer Statement'!$H:$H,"=" & E11) but does not work.

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Find Number Of Months Between Two Dates

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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Organize List Of Various Months And Dates?

Jun 18, 2014

Is there any way to organize a list of various months and dates

First by creating a column of just the months, then by all of the dates, serperated by commas?

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Count Number Of Months Between Two Dates

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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