# Adding Hours To Dates

Feb 15, 2007
I'm having great difficulty adding hours to dates in Excel. In cell A1 I have a number which is calculated from a formula, it will normally return whole number values between 1 and 100. In cell A2 I have a start date and time i.e. 14/2/07 06:00:00 in cell A3 I want to add the number in A1 as hours to the date in cell A2. I am using the formula in A3 as =A2+TIME(A1,0,0) it seems to work okay for numbers that don't take the date onto the next day but if I try to add 24 hrs or 48 hrs for example the date still stays the same.

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Dec 15, 2013

I'm attempting to make a simple time sheet for a handful of employees. I'd like to enter the clock in time and clock out time for each day. The end cell should be the running total for the week. The tricky part for me is having the formula subtract an hour for each day that is over 5 hours.

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Mar 2, 2010

The below formulae allows me to see the difference between two dates and only returns the difference in working hours ie :

Difference between

02/02/2010 08:00 & 03/02/2010 08:00 is 16 Hours 0 Minutes

=(INT(A3)-INT(C6))+MAX(MOD(A3,1)-MAX(MOD(C6,1)))

The following displays it in the Hrs and Mins format

=TEXT(B15,"[h]")&" Hour"&IF(OR(TEXT(B15,"[h]")+0=0,TEXT(B15,"[h]")+0>1),"s "," ")&MINUTE(B15)&" Minute"&IF(MINUTE(B15)1,"s ",""))

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Feb 16, 2010

I have two employees and need to be able to add the hours each works so I have a daily running total of their hours together (the two employees can't work more than 30 hours together each week).

What do I put in F5 so I can easily read that, together, they have so far worked 7 hours and 24 minutes? How do I format the cell: time? which time? numbers?

ABCDEF1DAYDATEINOUTHOURS2

MON

02/15/102:12 PM5:37 PM3.423

MON

02/15/102:12 PM5:37 PM3.424

5

Total Hours:

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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

Bucket

Amount

Percent

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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Sep 18, 2009

Unsurprisingly I have a spreadsheet:

Column D contains the total hours that a component has been installed for

Column C contains the additional hours the component acquired

I need the total of these 2 sets of time added together to give me the new hours that the component has acquired. All cells have been formatted [h]:mm:ss

I attach an extract of the spreadsheet. At the moment the values in column D are all calculated manually. When I add the values together Excel returns #Value!

The annoying thing is that in cells B2 and A3 I tested this and can do this with no problem...the value in B3 is the sum of B2 and A3.

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Dec 18, 2009

I want to write a macro to add business hours to a datetime value, excluding weekends, non-working hours and holidays.

e.g., I have a value (datetime) of "18/12/2009 11:30:00 AM", I want to add 10 hours to this, so as to get the result as "19/12/2009 12:30:00 PM".

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Jun 12, 2006

i don't know why this one stumps me but it does. I have a production schedule which shows how many hours and minutes are remaining for a given production run, i.e. 6.4 or 3.2. i want to do two things with these values. 1) add the 6.4 to the current time, something like a1 + now(0) to get the time the production run should end.

and

2) i want to add the number of minutes from a calculation to the current time, ie. 10:14 AM + 122 minutes = actual time the production ends. Nothing i do seems to give a desired result - including formatting the cell to any variation of the time format - including custom.

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Dec 18, 2009

I want to write a macro to add business hours to a datetime value, excluding weekends, non-working hours and holidays.

e.g., I have a value (datetime) of "18/12/2009 11:30:00 AM", I want to add 10 hours to this, so as to get the result as "19/12/2009 12:30:00 PM".

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Jun 4, 2006

If i have a start time of 5:00 am and a finishing time of 4:25 pm, what function do i use to get the total time of 11 hours & 25 minutes?

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Aug 23, 2008

I have a problem concatenating time in excel if it is of Date + Time format..

What formula do I use to just add the time by, say, 3 hours? I'll need to use, say cell B2, which will add 3 hours to it.. What formula do I use?

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May 30, 2014

So I'm having a problem trying to make this scheduling sheet.. What I did was row a would be the employee list then b,c,d and so on are mon-sun Originally in b1 I would put like 9am-5pm and c1 8-4 and so on and in row i I put the total and added a sum function but somehow it wasn't able to calculate. So then I redid the whole thing this time in row b1 i put 9am and c1 5pm and so on and again I put the total and added the function and it still came out wrong..

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Nov 13, 2006

I am trying to add duration time for song files. 4 minutes and 32 seconds + 3 minutes 45 seconds, etc. etc. to get total hours and then to total to days. The range of cells is over 5,000 and I am trying to find out how long a playlist will play.

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Sep 11, 2011

I have a data of complaints where I need to present it to the Management in such a way that the SLA period of 8 hours does not pass. Our office working hours are 7 AM till 7 PM. The complaint received should be escalated to concern section within 8 Hours of SLA time. I have the list of dates with received time. The complaint which could not be escalated today would be escalated next day. In this case is should deduct 12 Hours (7 PM to 7 AM, Non-working hours) from the time. How can I insert escalation date so as that it would deduct non working hours from it.

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May 24, 2009

A B

1 4/1/09 12:15

2 4/2/09 10:00

3 4/4/09 8:10

4 4/6/09 9:00

5 4/8/09 5:00

6 4/11/09 7:00

I need to add up hours worked of last 3 days including current day. The date column does not contain everyday's date. How do I formulate a cell for date entry and another cell will show the sum of last 3 days including date not shown and date entered? E.g. If I enter date 4/6/09, result should be 17:10 hrs; 4/11/09, result should be 7:00.

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Jan 1, 2010

I would like to calculate the total hours between two dates using a unique formula and without inserting new columns. I have attached an example of the data I'm working with.

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Jul 21, 2008

I want to add the numbers of hours in a 4 week period. I have used the following formula (from this site) to total according to month but I don't seem to be able to adapt it to change it to only add hours between 2 dates or for the 28 day period. I thought maybe I should be using a SUMIF but I can't get that happening either.

I have attached a simple file( I think!!)

=SUMPRODUCT((TEXT($B$3:$B$61,"mm/yy")="07/07")*($C$3:$D$61))

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Dec 31, 2007

I receive data from a company I deal with that has the date and time of all of my transactions with them listed in an excel worksheet. Only problem is that the date/time that I receive is not in my timezone, which is a bit of a problem for me!

What I want to do is to be able to adjust the date and time shown in the cell forward by 14 hours, so that the data is shown in the timezone that I am currently in. So the end result for the first line of data in the attached file would end up being 2006-08-11,10:28:51 instead of 2006-08-10,20:28:51.

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Mar 3, 2008

I have a spreadsheet with various date fields and next to those time fields. I need to calculate the amount of working hours between the 2 lots of values

for example

Cell A has "22/02/2008"

Cell B has "16:44:00"

Cell J has "25/02/2008"

Cell K has "08:59:00"

The answer i'm looking for is 01:29:00. The working hours are Monday to Friday 07:30 - 16:00. This is what I have so far and it gives me the total hours between the 2 dates but not the working hours. =IF(J10-A10=0,K10-B10,((J10-A10)+(K10-B10))) (Formatted with [h]:mm:ss). I have tried using workingday() but can't get the desired result

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Mar 18, 2014

I'm trying to calculate shift working hours without using dates.

The scenario is

Cell A1 = Start Time

Cell A2 = Start Time

Cell A3 = Break Time

Basically I want the output to calculate hours worked between:-

0000 and 0600 as a total in cell A4

0600 and 1800 as a total in cell A5

1800 and 0000 as a total in cell A6

Then if the value of A5 is greater than A3, subtract A3, but if the value of A5 is less than the value of A3, A5 should be zero and the remainder of the value of A3 subtracted from A4 (or A6) depending which has a value.

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Jun 30, 2014

How to get the Hours of two different time

A1

27/06/2014 11:30

B1

30/06/2014 18:14

C1

Ans: Hours of these 2 dates with time.

i just need to get their Hours.

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May 2, 2008

I need to calculate time taken to fix a piece of equipment.

A1 B1

BREAK TIME FIX TIME

4/22/08 23:00 4/23/08 04:00

Should be 5 hours, but i can't find the formula to make it work.

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Mar 17, 2009

I have a data feed that gives a column of cells formated mm/dd/yy hh:mm

These are call entries, what i want to do is count all the occurances each hour, so count all the entries say between 9am and 10am. However the column is very long and holds data for many weeks so i want to be able to ignore the date part of the cell.

For example

3/17/09 9:58

3/18/09 10:58

3/18/09 8:58

3/19/09 8:58

3/19/09 9:58

3/19/09 9:58

So the entries between 9 and 10 are = 3

Ideally i do not want to do text to colums and split out the parts. i would like to leave the source data alone.

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Apr 24, 2006

I need the difference between two dates/times field in hours or minutes.

Eg:

A1 B1

1/4/05 10:00 2/4/05 14:30

The result should be 13.5 hours, considering only 8 hrs per day, only business days and 8 to 5 workday.

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Oct 23, 2008

I can’t figure out why this formula is not working. I am trying to alter it a little, but I still think it should work. Here is what I am trying to do. I am looking to calculate the time difference between two work projects, but exclude time when the office is closed. So someone starts a project at 2pm and finish 10am the next day it will show a result of 4 hours because the office closes at 5.

Here is the formula. It is the time formula from cpearson.com ...

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Jan 9, 2014

computing the number of business hours between 2 dates.

Given the following information:

- Business Hours: 8am -5pm (8:00-17:00)

- Business Days: Mon-Fri

- if entry queued falls on a weekend or beyond the business hours, it should count the first hour on the next business hour.

Example: scenario 1 = Starts Sunday, 10am and Ends Monday 9am; count of hours should be 1

scenario 2 = starts on Monday 6pm and ends on Tuesday 10am; count of hours should be 2

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Jul 25, 2002

How should I calculate working hours between two dates? Say if start at 26 july at 15:00 and finish at 29 july at 10:00, the function should return 4 hours because the working hours are from 8am to 5pm (8 - 17), and there is a weekend between the dates. Preferably the function should work like the NETWORKDAYS() function, but it should also include the time, not just the dates. And also, if have to add say 8 hours to a date, how should I calculate the result? Also this function should aware of the working hours and holidays, so it should ignore those times.

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Apr 18, 2007

How to calculate the hours between two dynamic dates.

Rules 1: It has to calculate only office hours (Let's say 9 AM to 5 PM)

Rules 2: The starting time may fall before 9 AM, then we have to do calculation from 9 AM on the same day. (Let's say start date with time 17/04/07 7:00:00 AM, then we have to consider the date with time from 17/04/07 9:00:00 AM for the calculation)

Rules 3:The starting time may fall After 5 PM, then we have to do calculation from 9 AM on the next day. (Let's say start date with time 17/04/07 8:00:00 PM, then we have to consider the date with time from 18/04/07 9:00:00 AM for the calculation)

Rules 4: It has to exclude the Saturday and Sunday

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May 30, 2007

I need to sum the total hours by project between two dates. There can be multiple projects and the two dates can vary. So...

In column A are the project # (say A2 001, A3 001, A4 002, A5 003)

In column B is Yes or No for each project (contract Signed?)

In Column C through Z, row 1, are dates (shows the Monday of each week)

In Column C through Z, row 2-5 (which corresponds to the projects 001, 001, 002, and 003 above) are the number of hours worked that week.

On a separate tab (lets call it MonthTab) is the start and end date for each month (Jan through Dec)

On a separate tab I want to SUM the hours by Month for each project (so for project 001 would need to go across multiple rows), that has a Yes in column two. Therefore the hours summed For January will be taken from MonthTab and be between StartJan and EndJan.

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Dec 27, 2007

I want to add employee hours (flight hours) based on the calendar (I want of sum of hours for the last 30 days on a running calendar.

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