how to add hours and minutes in excel

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Guest

I have caliculated the time worked for the day using the formula =TEXT(D2-C2,
"hh:mm"") -where D2 is the time work closed and C2 is the time work begun. I
got total time worked for the day in hours and minutes. I caliculated like
this for the whole month. Now here I am facing a big problem totalling all
the worked hours for the whole month. I used the formula =SUM(E2:E26)
where E2 is D2-C2 and so on. But no result. I formatted the cell where the
formula =SUM(E2:E26) as [hh]:mm as I have seen this formatting on these
pages.But to no use.Can any one can help me how to solve this problem step by
step since i am very new to excel. Just I have started learning Excel. Yet I
don't know abcd of Excel. I will be very thankful for the help.
With best wishes to youngers and bestbregards to elders
M.Koteswara Rao
From INDIA
 
The reason SUM() is returning 0 is that all your calculated times are
Text, which SUM() ignores.

Instead of

=TEXT(D2-C2,"hh:mm")

use

=D2 - C2

and format the cell as a time (Format/Cells/Time)

If your hours span midnight, you'll have to correct for the fact that XL
stores times as fractional days, so, say, 9:00 pm = 0.875 and 3:00 am =
0.125.

One way to do that is to use XL's coercion of TRUE/FALSE to 1/0:

=D2 - C2 + (D2<C2)

a more obscure, but equivalent way, is

=MOD(D2-C2, 1)
 
You are trying to sum text cells, so that is why you get no result.

Either change E2 to =D2-C2 and format as time, or in the totals cell, use
this formula which bypasses the text file, =SUMPRODUCT(D2:D26-C2:C26)

--

HTH

RP
(remove nothere from the email address if mailing direct)
 
M K Rao said:
I have caliculated the time worked for the day using the formula =TEXT(D2-C2,
"hh:mm"") -where D2 is the time work closed and C2 is the time work begun. I
got total time worked for the day in hours and minutes. I caliculated like
this for the whole month. Now here I am facing a big problem totalling all
the worked hours for the whole month. I used the formula =SUM(E2:E26)
where E2 is D2-C2 and so on. But no result. I formatted the cell where the
formula =SUM(E2:E26) as [hh]:mm as I have seen this formatting on these
pages.But to no use.Can any one can help me how to solve this problem step by
step since i am very new to excel. Just I have started learning Excel. Yet I
don't know abcd of Excel. I will be very thankful for the help.
With best wishes to youngers and bestbregards to elders
M.Koteswara Rao
From INDIA
Click to expand...

Mr JE McGimpsey and Mr Bob Phillips
Many Many Thanks to both of you for your help in solving my problem.By
following your advices I solved my problem.Onceagain I thank both of you.
With best regards
M K Rao
 
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