# Calculate Time Difference In Decimal Time

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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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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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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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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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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Aug 15, 2007

I need to create a formula to calculate monthly hours worked (144.20) by hourly rate (£14.25). So far everything ive tried has given me awrong answer. I cant seem to make the total right. From what ive come up with (Not good) the total accepts the hours-just not the minutes.

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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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Sep 19, 2005

I need to convert regular time to decimal time. example regular time in A1

is 1:38 I need that number to be converted to decimal time = to 13:63. add

12 to the hour and divide 38 into 60 to get the minutes. Our time clock

prints on a 12 hour basis and I enter to excel in decimal time.

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Oct 8, 2007

I need to separate a list of times from a telecommunications bill. I have 170,000 line of data.

The Times are represented as below.

eg

46 46 Sec

59 59 Sec

100 1 Min

159 1 min 59 sec

200 2 mins

502 5 mins 2 sec

1256 12 mins 56 sec

3456 34 min 56 sec.

How do I separate them to a decimalized per min value.

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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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Jan 6, 2009

How do you convert decimal time to standard time?

....Hrs

A1 21.70

A2 7.20

A3 37.38

I know 1.5 is 1:30 but I don't know the formula.

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Feb 28, 2007

I'm trying to calcuate the time difference using military time.

For example:

A1 has 0400 A2 has 0430 A3 SHOULD be :30

B1 has 1500 B2 has 1715 B3 SHOULD be 2:15

Unfortunately I either keep getting all zero's, or the correct answer but without the ":" in the answer (b3 would look like 215)

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Mar 8, 2014

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I am trying to figure a way to search for a cell that has a specific date and time range. There are several cell titles pending on the activity. I want to find a cell that has a time ** 7:30-15:30 , 15:31-17:30, 17:31-20:30. The end result is to calculate the activity between those time periods based on the data cells.

Example

If the date searched time field ** the activity ranges is 1635 I need to split the time and credit the activity time in the 730-1530 time and the rest on the 15:31-17:30 time

I have been able to do it on a single labor group based on time alone, but when I try to add the DATE to it my numbers go null. Eventually i will need to add 11 labor groups daily for weeks at a time .

Excel 2007

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Feb 7, 2014

the vendor has a 21 hr working window; start from 7am and goes until 4am; Mon to Fri.

Here is a scenario:

- i request for a product information from a vendor on 3-Feb-14 8:00am (Monday)

- he replies with all of the product info on 6-Feb-14 12:00pm (Thursday)

can you find the time in above scenario consideration the working window?

Here is another scenario:

- i request for a product information from a vendor on 6-Feb-14 8:00am (Thursday)

- he replies with all of the product info on 11-Feb-14 12:00pm (Tuesday)

- Sat & Sun are days off but keep in mind that my Friday shift ends on sat at 4am so the networdays formula wont work.

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Aug 28, 2009

I am wanting to calculate the the processing time for an order that takes place within normal business hours and workweek. A normal day is from 8:00 to 5:00 If a task is started at 2:00 PM Monday and finished at 10:00 AM Tuesday then the result should be 5 hours as I do not want to include any time outside of normal hours. I can figure out how to subtract dates and times but not how to bridge a day(s). My data is somewhat flexible as I have not started the project yet. I can use separate cells for the times and dates or have two cells that use both incorporate the date and time (8/27/09 2:00 PM) for start and end time or any other idea.

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Jul 1, 2012

I have a problem here:

Eg.

A B C D E F G H I

1 8 pm 9 pm 10 pm 11 pm 12 am 1 am 2 am

2 8 pm 11 pm

3 8 pm 2 am

I typed a formula : =if(and(c$1>=$a2,d$1

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Jun 19, 2014

I have a userform that time stamps on my userform as soon as i open the form, is there a way that when I submit, that the amount of time that I was on the call to be put in my column on my worksheet as minutes?

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May 17, 2014

I found this formula similar to other formula

NETWORKDAYS(D1,F1)-1)*"18:00"-"9:00")+IF(NETWORKDAYS(F1,F1),MEDIAN(G1,"9:00","18:00"),"18:00")-MEDIAN(NETWORKDAYS(D1,D1)*E1,"9:00","18:00")

By the way ....D1 = start Date

F1 = End Date

E1 = start Time

G1 = End Time

It's GREAT! But now I need include time from 6:00 a. m. to 10:00 p. m. (I already modified your formula:

(NETWORKDAYS(D1,F1)-1)*("22:00"-"6:00")+IF(NETWORKDAYS(F1,F1),MEDIAN(G1,"6:00","22:00"),"22:00")-MEDIAN(NETWORKDAYS(D1,D1)*E1,"6:00","22:00")) because are regular working hours in Colombia but:

1. All the days (Monday to Saturday) are working days

2. I just want to calculate the time in shifts, I don't specify the start date and end date. Example: 8:00 p.m. to 11:00 p.m. Result: 2 hours, because 1 hour is after 10:00 p.m.

This are two different options, so I need two separate formulas.

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Aug 11, 2006

I'm trying to devise a formula to produce "days in inventory" based on the following data:

Date In

Date Out (which may be blank if cargo still here)

Todays Date

Days in Whse (which is the formula I can't figure out!)

It needs to work like this, date out - date in, unless date out is null. If date out is null, the result should be calculated based off of todays date - date in.

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Feb 5, 2009

I need to calculate the time spent replying to my inquiries: I log the time I receive my inquiry as: 06/02/2009 09:23:00 in column A. I log the time I send my reply as: 07/02/2009 07:23 in column B. In column C, I need to put the Formula that will return the following result: 0 days 22.0 hours.

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Jun 8, 2009

I'm trying to make a shift schedule template, and it's all done except that i cant sum the hours the way I think i should be able to.

I've attached the file for reference.

I've added in some hours for myself as an example. I have 47.5 hours in the week. I've got 3 Rows, In Out and Hours. I've formatted the In and Out the way i want them, but I would like the Hours row formatted as a decimal, so that 7 hours 30 minutes would show up as 7.5.

I'm also having trouble with the totals column at the end. Although D8:J8 total 47.5 hours, it's adding them as 23:30.

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Feb 6, 2012

Data from a SQL database represents time of day as a string of x's when imported into Excel. With CLEAN, I found that noon is -0.5.

This means that the calculation being used for noon is (24 * -0.5), or -12, meaning "go to the end of the 24 hour day, then go back half a day to noon." Similar calculations work other times of day.

Time entries that start in one day and end in the next are not allowed, so there is no problem with a change in day,

How can I convert this to the AM/PM time that my users need?

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Jun 12, 2009

I am trying to convert time (formated as hh:mm) to a number with 2 decimal places.

Example

A1 7:51

B1 - want the number to show 7.85

Will then multiply this by an hourly wage to get total $ paid.

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