# Calculate Time Difference With Constraints

Sep 30, 2007
i've two time constraints with 22:00~6:00 and 6:00~22:00. i'll apply time span to two constraints,calculate time covering on two constraints. it will start at anywhere of 00:00~24:00, time span will be 00:00 ~24:00. i add some formula, a3=start time, b3=end time. time constraints with 22:00~06:00:

=IF(AND(A3<=22/24,B3>=6/24,A3>B3),8/24,IF(AND(A3<6/24,OR(B3>22/24,AND(B3>0,B3<6/24,A3>B3))),IF(B3>=22/24,(B3-22/24)+A3-6/24,(B3+1-22/24)+MOD(6/24-A3,1)),IF(AND(OR(A3>=22/24,A3<B3,A3=0),B3<=6/24),IF(OR(A3=0,A3=1),B3,IF(A3>B3,B3+1-A3,B3-A3)),IF(AND(A3<=22/24,B3<=6/24),MOD(B3-22/24,1),IF(AND(A3>=6/24,B3<=22/24,A3<B3),0,IF(AND(A3>=22/24,B3>=6/24),(1-A3)+6/24,IF(AND(A3<=22/24,B3>22/24),B3-22/24,6/24-A3)))))))

time constraints with 06:00~22:00. :C$3=start time,$B4=end time...............................

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Aug 16, 2009

I need to create a spreadsheet that will calculate the difference between two dates and show the result in days. The complicated part is that weekends (Sat and Sun) need to be ignored and any time after 4:30 pm needs to be treated as the next business day. I have been trying to look at similar questions in forum and use the WORKDAYS function with little success.

Example:

A1- 14/08/09 4:40 p.m.

B1- 17/08/09 9:10 a.m.

I need the answer (B1-A1) to show up as 0. But if the time in A1 was changed to 4:20 p.m. than the answer should be 1 day.

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Dec 20, 2006

I need to calculate time period worked between 19h00 and 24h00 in following exemples,

start time 08h00 and End time 20h00, would be 1 hour

start time 20h00 and End time 08h00, would be 4 hours

I can't get IF fonction to work with times..

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Apr 27, 2014

Formula to calculate time allotted minus time used and show the difference in hour and minute.

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May 3, 2008

This may be a bit vague but here goes.

I have to calculate the difference between the start time and end time of a job. The only catch is, how can I avoid calculating "out of hours" time. So, if a job goes from 9am to 9am the next day, I want it to avoid calculating between the hours of 23:30 and 03:30.

Another example is if a job goes from 02:00 to 04:00, I want it to avoid the tim between 02:00 and 03:00.

If there is a difference in days, so the job goes overnight, how do I take that into consideration also.

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Aug 16, 2008

I've got a time difference from 8:00AM - 12:30PM as 4.30 I'm trying to get the minutes, .30, converted into a 6 minute increment, .5. Is it possible to do this and if so how would it be done? Below is a chart of how the time is converted from 6 minutes increments into decimal form.

6 = 0.1 36 = 0.6

12 = 0.2 42 = 0.7

18 = 0.3 48 = 0.8

24 = 0.4 54 = 0.9

30 = 0.5 60 = 1.0

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Nov 13, 2009

I am currently usins Excel 2007 and would like to calculate the diferrence in hours and minutes (ideally in decimal e.g 4:30 should be reflected as 4.5) between two date and time groups, excluding the non-working time between 17:00 and 09:00, weekends and holidays. An 8 hour working day is to be used. I have attached a spreadsheet were I tried to achieved the above with little success.

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Feb 18, 2009

I want to calculate time difference from two columns,

00:00:18:4400:00:28:44

00:00:19:2400:00:29:24

00:00:34:7700:00:44:77

00:01:05:3200:01:15:32

00:01:05:3200:01:15:32

wanting the difference between col B and col a.

Sum doesn't work

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Aug 21, 2006

I have two Rows of data. Each row contains a unique Name column and separate columns for Date, Hour and Minute. I would like to calculate the Time difference in Days, Hours and Minutes between the two Dates. I’m not sure if the way I’ve set it up is the most practical. I’ll attach the spreadsheet to better explain.

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Oct 16, 2007

I am setting up a time and attendance system.

What I want to do is calculate the overtime that someone has worked but in multiples of 15 minutes.

Example, if someone worked 20 minutes over they would be paid for 15 minutes overtime.

If someone worked 31 minutes over they would be paid 30 minutes overtime.

The possible overtime someone could work in one day is 6 hours.

I want it to return the overtime in decimal numbers (e.g 0.25 for 15 minutes overtime).

I have attached a sample spreadsheet.

I would prefer this to be done in VBA if possible?

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May 27, 2008

I'm trying to do some calculations involving times. I'm using the format [=A2+(A1>A2)-A1] in order to calculate times from one day to the next which avoids negative numbers. This is working well. My problem is now that I'm trying to develop my spreadsheet and am trying to embed this inside an IF statement as the [value_If_True]and I get an error because it doesnt like the leading equals sign inside the IF statement.

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Apr 10, 2014

Time arithmetic, I have two cells representing a time range.

The first one (say: X1) is formatted using the custom format [h]:mm and contains a certain number of hours and minutes. It gets its value by summing up other cells in the same format. A typical entry could be 98:35 to represent a duration 98 hours and 35 minutes.

The second cell (say: X2) is formatted as a number with 4 decimal places after the comma, and similarily gets its value by summing up other cells in the same format. It also represents a time duration as a number of hours. A typical entry could be 202.7500 to represent a duration of 202 hours and 45 minutes (because 0.75 of an hour is 45 minutes).

I would like to calculate the hour difference between these cells, and display it as hours and minutes. In the example given, the result should be negative, i.e. -104:10.

My first approach was to use the formula X1-X2 and format the result as [h]:mm, but this gives me a #VALUE! error.

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Feb 17, 2008

I'm working in excel2007:

I want to write a generic formula to calculate the difference of time between cells, the first being a real data point, such as

6/22/2007 8:53

minus a generic constant term using the same date and a given time, 8:30.

So, what I need is something like this:

6/22/2007 8:53 – (same mm/dd/yy @ 8:30)

6/22/2007 12:29 – (same mm/dd/yy @ 8:30)

6/25/2007 11:19 – (same mm/dd/yy @ 8:30)

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Aug 7, 2008

I have an excel spreadsheet where you enter the start time and end time for job function. Since some of the times cross midnight, I use the formula J3=IF(I3>H3,I3-H3,1+I3-H3) where I is the end time and H is the start time (format hh:mm). This part works fine, however when I sum column J and change my format to Time 37:38:00 (since it is over 24 hrs), it returns a large number of 2234:48:39 which should be closer to 223:00:00.

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Jan 24, 2008

I have two sets of data, one is recorded every 5 minutes and the other is every 15 minutes. I am trying to add every 3 cells in the 5 minute column so I can compare it side by side with the 15 minute column. I have tried one of the responses in this forum with placing 0s in 2 cells and then the formula in the third however this does not allow me to compare the 2 sets side by side.

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Jul 24, 2014

I'm trying to automate the attached schedule so that the formulas in H stop increasing once the amount in column J equals zero. So far everything I've tried either gives me a circular reference error or ends up giving me the same result as if I depreciated the asset an additional month.

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Jul 7, 2006

i want to ask for a reason if a item is late where M & line is the time it should have left and N & line is the actual time it left.

TL is the difrence between the two times

i want the input box to read " DRIVER DISPATCHED 30 MINUTES LATE PLEASE ENTER REASON"

but it returns "DRIVER DISPATCHED -.11233543 E2 MINUTES LATE"

how do i format this to show the difrence in minutes

TL = Range("N" & Line) - Range("M" & Line)

late = InputBox("DRIVER DISPATCHED " & TL & " MINUTES LATE PLEASE ENTER REASON")

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Apr 20, 2009

I request a help:

A1 = 01-Apr-2009

B1 = 02-Apr-2009

C1 = 03-Apr-2009

D1 = Blank

E1 = 05-Apr-2009

F1 = 06-Apr-2009

What is the best suitable formula to find "First blank cell", then "date difference" between today and its previous cell's (i.e today minus "C1" in this case).

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Jul 27, 2009

I need to calculate the amount of time between two dates, and show it in the number of hours and minutes. My dates are formatted to show the time in Zulu time. So 1406 = 2:06PM.

Here is what I have:

A1 = 6/4/08 1406Z

B1 = 6/5/08 0402Z

For this example, the formula should return a result of 13 hours and 58 minutes. With the result, there is no need to desingate Zulu time with a 'Z'. But I need the result in a format that will allow me to calculate an average for all my data.

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May 9, 2009

I'm looking for a macro or formula that can calculate the difference to the lowest of col C based on option in colB. See attached. I complete what it should look like in F. Basically, this can be done by sorting the data by colB and using this formual for every group. =C2-MIN($C$2:$C$4). This is not ideal because I have many of these to do and you have to adjust the min range for every group. Plus group sizes will vary.

There has to be a better way. Ideally, I would not like to have to sort the data, unless a macro did it for me....

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Mar 28, 2012

I have 2 columsn with data that looks like this:

Creation DateResolved DateDifference in days7/1/2011 4:221/9/2012 14:587/1/2011 8:567/1/2011 13:517/1/2011 11:438/3/2011 17:157/1/2011 11:597/14/2011 14:077/3/2011 22:477/5/2011 11:037/4/2011 1:399/15/2011 15:207/4/2011 8:367/5/2011 9:357/5/2011 7:047/6/2011 9:107/5/2011 9:177/6/2011 10:007/5/2011 10:471/9/2012 14:37

I am trying to figure out what formula to use to calculate the difference between the creation date and resolved date in hours and days. That is, In once column I would like to see the difference in 'hours' and in another column I would like to see the difference in 'days'.

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Sep 11, 2008

This is more of a query on date dif

I was trying to calculate the difference between two dates on excel

I had a look through the search message board and searched the web generally where I came across the datedif function

I had found that in order to get the number of years it was

=datedif(startdate,enddate,"Y")

for months same formula"YM" and for days use "MD" in place of "Y" in the original formula

My question is when using datedif to calculate the number of days between two days it initialy gave me the right answer

Number of days between 01/08/2008 - 22/08/2008 - Answer 21 days

Using date dif gave me 21 days but when i did

01/08/2008 - 01/09/2008 - this gave me 0

Am I entering the formula wrong or does datedif simply not pick the difference if the days havent changed even though the month has ?

I then found i could simply minus one from the other , which then had me asking what is the point of date dif

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Jul 31, 2008

is anyone aware of a formula/macro that can calculate (in days, hours and minutes) how much time has elapsed between two date and time stamps?

For example [30/07/2008 00:30] and [01/08/2008 01:45], so in days hours and minutes it would look somewhat like this: 02:01:15

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Apr 4, 2014

Example.xlsx

how to calculate the difference in value of an item between two dates on a pivot table. I have one table that feeds the Pivot Table and it has three fields:

Data as of Date

Item

Value

So each day, the Data as of Date is updated to the current day and the items are the same but the values are different. I need to calculate the difference in value between the most recent date and x days ago. I cannot figure out how to do this via Pivot Table.

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Mar 4, 2014

I'm just trying to calculate the difference between dates in two columns and applying conditional formatting based on if it is a positive or negative number. But when there is a null value in either of the date columns I don't want anything returned.

So far I'm either getting a 0 or a FALSE.

Column A = Date 1 Column B = Date 2 Column C = Formula

=IF(NOT(ISBLANK(B2)), B2-A2, )

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May 4, 2009

I am trying to determine the average reduction amount of appraised property values. I have two columns in my spreadsheet. Column H has appraised value of property. Column I has the accepted value of the property. Sometimes the accepted value is the same as the appraised value, sometimes it is reduced, and sometimes it is rejected.

I want to be able to find the average reduction amount when the accepted value is less than the appraised value and is not rejected.

Column H always shows a numerical value (i.e. $250,000), but Column I may have a numerical value or show "rejected".

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Jan 25, 2012

From the below example, I would need to know the difference between date & time of Received and Resolved in number of days. Meaning - time difference should also be calculated in days

CELL ACELL BCELL CCELL DCELL E - REQUIRED OUTPUTReceived

DateReceived

TimeResolved

DateResolved

TimeTurn Around Time - IN DAYS20-Jan-122:43:00 PM23-Jan-124:50:00 PMDifference between Resolved date & time and Received date & time

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May 5, 2013

I have a number which consist of 12 digits such as 765432123345. The first two digits denotes the year. I need to create a formula in the next column to calculate the difference in years by comparing to the current year of 2013. In this scenario, the difference will be 37. Is there a way to do this?

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Jun 13, 2013

I have a huge two column spreadsheet. The first column is a list of times in the format: dd-mm-yy hh:mm:ss and the second column is a status of either START or STOP

Every time there is a START, I want it to count the difference between that time, and the next STOP time, and display the results in column C

Sometimes there will be multiple START's in a row or multiple STOP's in a row, but I am only interested when the status actually changes from the first START to the first STOP. It then resets until there is another START.

Here's an example of how I'd want it to function:

13-06-13 01:22:13 START

13-06-13 01:22:16 START

13-06-13 01:22:20 STOP 00:00:07

13-06-13 02:20.01 STOP

13-06-13 02:21.03 START

13-06-13 03:22.04 STOP 01:01:01

I can do this manually, but of course there is too much data to do that, so I'm looking for an automated solution that looks at the status.

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Jan 10, 2007

I am working on an employee weekly schedule and would like to be able to calculate the amount of hours an employee is scheduled each day. For example; if you worked from 7am to 4pm, I want to have a formula that can determine that (7am to 4pm= 9 hours) then sum the total amount of hours for all employees scheduled that day.

Mon Tue Wed Thrs Fri Sat Sun Total

Employee 1 7-4 7-4 8-5 off 2-10 5-10 off 40

Employee 2 8-5 11-8 off 7-4 1-8 off 8-5 43

Hours 18 18 9 9 15 5 9 83

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