# Add And Subtract Time

Jun 1, 2009
How do I add and subtract hours minutes and seconds?

I’m writing a program to find when the sun is directly overhead. I’m doing this so that I can find the true north/south line. In the example on my program, at the town of Farmington, a plumb bob will cast a shadow on the north/south line at 11:51:39 on June 16

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May 5, 2006

I have a user form with textBox1 = start time (entered as "[h]:mm") and text Box2 = finish time (entered as "[h]:mm"). I would like textBox3 to display the difference between the start time and finish time as a general number!

For example

Start time: 21:00

Finish time: 06:30

Hours worked: 9.50

Start time: 12:30

Finish time: 23:00

Hours worked: 10.50

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Jul 31, 2014

So I have two dates:

Opening Date: 29/07/2014 13:27

Closing Date: 29/07/2014 14:42

These are formatted in DD/MM/YYYY and HH/MM

I need to subtract the dates and find the time taken from the opening and closing time.

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Mar 2, 2014

I need to subtract the time alone as per below example:

Cell A : 2/4/2014 8:58:13 AM

I need in Cell B as : 2/4/2014 8:46:13 AM (Minus 15 minutes)

How to get this?

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Dec 31, 2009

As mentioned below , in excel sheethow to add and subtract time value and get result in time format. As given in below sheet, suppose i want to calculate each day stoppage duration and finally total stoppge duration. Kindly let me know the farmula or function for the same with example. I'm using excel 2003.

STOPSTARTDURATION

10:4512:151:30

0:201:301:10

5:5012:256:35

19:3020:301:00

16:0517:051:00

15:5017:151:25

23:500:000:10

0:001:001:00

23:300:000:30

0:001:001:00

17:2018:301:10

3:504:501:00

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Sep 25, 2009

I have a workbook that is generated from the system(AS400)but it wont subtract the time finish -time start. I get a #Value error in the cells I tried two different formulas.

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Dec 1, 2007

I need to be able to determine a departure time based on: Appointment - Transit time - 1 hour buffer......Clear as mud?

I tried using =SUM(M2-N2)-1, but being a noob, it's not working and I am lost, yes I admit it, I'm lost...

I do have all the cells format set [h]:mm

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Feb 8, 2009

I have a cell that is "Start Time." Another is "End Time." And, of course, "Total."

The sum listed in "Total" is multiplied by a cost per hour. Except it does not work. I have attached an example copied directly from the cost sheet.

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Apr 15, 2014

I have been trying for hours now to write a macro that would do the following:

I have a worksheet that looks like this:

15:10:06.3671B56221

15:10:07.1770B56221

15:10:09.3021B56221

15:10:10.1320B56221

15:10:11.3811B56221

15:10:12.1810B56221

15:10:14.6421B56221

15:10:14.6420B56221

15:10:16.2721B56221

15:10:17.5220B56221

with many more rows

I would like to subtract (for column A) line 1 from line 2, then line 2 from line 3....etc the data in column A represents time I would like to have the result in milliseconds and in a new column (D for example)

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May 22, 2009

Is there a way to subract date and time? For example if in cell A1 you have 05/20/09 8:00 am. and in B1 you have 5/21/09 16:00. You want to know the time in between.

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Jan 8, 2008

I am trying to find a formula that will take the time in cell B2, add one minute to it and place it into cell C1. Also, I can't figure out the formula that will give me the minute difference between the two times in cells B1 and B2.

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Jun 28, 2008

I'm trying to create a spreadsheet that will subtract time remaining for a client.

IE: A client has 3 hours of time. I work for 17 minutes, leaving the client 2 hours and 43 minutes:

A= 3

B= .17

C= 2.43

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Nov 18, 2009

I would like to subtract 9:30 AM From 9:40 Am. I have tried the formula listed and I get, (0.00694444444444442 Mins) ...

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Oct 31, 2008

I am trying to add/subtract dates and times to return one sum; but I only want to count the work week (5 days M-F) and work day (8 hrs.) 8am- 4pm. This is to compute the actual turn around time for a certain process.

i.e.:

Date ReceivedTime ReceivedDate ApprovedTime Approved10/1/20081:00 PM10/15/20089:00 AM

The total hours this process should equate to is: 9days and 6hours.

way to achieve this sum?

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Jan 31, 2014

I want to subtract a time value which starts today and ends the next day. Is there a way to achieve it as i get error when i do that.

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Dec 14, 2008

I'm trying to subtract two times to get the difference. Entries are in military format (1615) and VBA converts the time to 16:15. My problem is that when a time is entered between 0001 and 0059 (i.e. 0015), the VBA converts the time to :15. My formula does not recognize this, but does recognize 0:15 (entered without VBA). The cell is custom formatted as h:mm. I've tried several other formats including [h]:mm but can't get any to work. How can I get a formula to recognize it?

=IF(U12<T12,(U12+1)-T12,U12-T12)

where U12 is :15 and T12 is 23:00

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Jun 20, 2008

I am trying to subtract 8 hours from a date/time. What I need to do is to capture that lead time using only weekdays, and working hours of 8am-5pm.

For example:

Date/Time

6/23/2008 9:18AM (Monday)

Subtracting 8 hours from this scenario would give me

6/20/2008 10:18AM (friday)

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May 2, 2014

I have a cells with a date and time in each cell. I want to subtract the number of days between the cells only. Is there a way to do that with the time in the cell? If not, how do I remove the time in each cell?

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Oct 24, 2007

I have a column of values resulting from subtracting a static date and time from the current date and time.

This means it is constantly updating, which makes it impossible to sort.

All my work depends on sorting those values, though.

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Jul 20, 2007

I want a forumal to do in excel.

Assuming that a workday is from 8:30am to 5:00pm. (also need to not calcualte Saturday and Sunday but this example doesn't show it).

Wednesday, 7/18/07 at 4:00pm (minus) Friday, 7/20/07 at 9:00am (should equal) 10 hours or 1 day, 1 hour and 30 minutes.

Basically what I want to do it determine how much work time has elapsed from the time a message was left on voicemail to the time that someone picks that message up. We only want to assume that a message can be retrieved duruing business hours but a message can be left at anytime!

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Jul 9, 2008

I get a spreadsheet downloaded to excel with a variable of 15 names.

I want to create a formula that if the name Cleardale appears to take the time responding in cell BD and subtract it from the time available in cell AV so that I have the time on task and then to add up all those times in a total time on task for all cleardale listings for that day. The times are listed in the 24 hour format. I keep getting errors. Can anyone help me out on this one? The range of the cells is from AV7 to AV500 for available time and BD7 to BD500 for alert time and the range of the names is cell f7 to f500.

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Oct 13, 2007

How can I work out the following in hours an minutes: -

Cell A1 = 12th May 2007 20:00

Cell B1 - 14th May 2007 14:30

or should I put the dates and times in seperate cells? I would like the answer to show 42 hours 30 minutes

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Dec 4, 2007

I have created a userdefined function. the Idea is for the user to calculate the difference in hours and minutes. The input would be like budtime = 30 , realtime = 1.25 the answer I would like to have is 28:45 (28hours and 45 mins). Im aware that I can format the cell manually with [h]:mm but I'd like the function to do it.

I have written this:

Function RT(BudTime, RealTime)

RT = Format(((CDec(BudTime) - CDec(RealTime) / 24)), "[h]:mm")

End Function

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Jul 9, 2007

I have used the = ROUND((B2-A2)*24,1) formula, and the result is as follow

A2 B2

Time In Time Out Work Hours

8:00 16:30 8.50

but I dont like the result as 8.50, instead I want 8:30

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Apr 28, 2012

I am trying to subtract an amount from a cell until it reaches 0, then move and subtract from the next amount, and so on.

AmountFixed BudgetedResult53.50Subtracted 5 tell it hit zero1.30Subtracted remaining amount until zero43.8Subtracted remaining amount until zero3.8 was left over without hitting zero is good. Is there formula for this?

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Dec 28, 2013

I need a formula to do the following

Subtract I62 from I62 only if F62 contains P/UT and put answer of subtraction in L62.

Cells are in Time format

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Jan 28, 2008

Firstly i am running Excel 2003 (at work)

Now my problem is that i have been asked to make a spreadsheet about Printer and Fax Cartridges (Zzzzz) but i do not know how to do the sum.

this is how my Spreadsheet looks like this (cartidge amount etc all on top line of spreadsheet)

(Hp45 etc all down left hand side) ...

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Oct 24, 2008

Seems that when I subtract a future date from NOW() and format the cell d:hh:mm that the result is 1 day off. So if I subtract NOW() (today is 10/24) from 10/25/08 it returns a 1 for the d when I would expect it to be zero.

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Apr 13, 2009

I have 2 cells in a row that are times, it has been a while since I did any work in excel. I want to take the first cell as start Time, the second cell is end time and I need to subtract them and put the total in a cell called Hours. What is the correct format to use and how would I do the subtraction.

Generally start time will be AM and End Time will be PM.

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Dec 30, 2009

Cell D10 to be a formula that; Looks at Cells E13:E38 and if in this range the text "Sick" appears looks at the adjacent cell H13:H38 (which has a numeric value). It will then take that value and subtract it from D8.

I will have to do this for 2 other text strings as well, Vacation and Holiday.

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