time problem

bronwyn

Board Regular
Joined
Jun 12, 2004
Messages
93
hi all, i have a simple staff rota, where hours are entered as 17:00-22:00 format, which denotes 5 hours. i need to be able to enter data from monday to sunday, which will calculate the amount of hours in each shift, and yield total hours at the end of the week, which is on a sunday. it should be able to ignore fields which are marked "off", to denote a day off, and highlight this cell red. I also have a possibility where the times will be logged as 17:00 to finish, so i will require to create a custom time which will have a value for times such as these. as always, any help appreciated.! x
 

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sorry, also there is a possibilty that the times will cross over into the next day, so when i am calculating, the problem is that it is adding on 24 hours for times like 17:00-02:30. thanks again
 
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i have attached file
rota.xls
BCDEFGHIJ
4NAMEMON 16TUES 17WED 18THURS 19FRI 20SAT 21SUN 22TOTAL
5STEPHEN18:00-2200off17:00-11:3017:00-finishoffoffoff00:00
6MHAIRI
7KAREN
8ANDY
9ANDREW M
10WILLIE S
11EWAN
12PAMELA
13STEPHEN M
Sheet1
[/img]
 
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Here's something to get you started on the cross-day time calculations.
KEEPERS.xls
BCDEFGH
16MonTueWedThuFriActual
17Start time8:00 PM12:00 AM12:00 AM12:00 AM12:00 AMHours
18Finish time4:00 AM7:30 AM7:30 AM7:30 AM8:00 AMWorked
19Total hours8.007.507.507.508.0038.50
20Format all
21yellow cells
22above to
23"Number, 2
24decimal places",
25not to [hh]:mm
Time, Subtract


Here's another formula, a bit simpler. Use the formula in the formula bar, ignore the incomplete formulas in column D. The HTML Maker program thinks the "less than" sign is a HTML character and truncates the formulas:
KEEPERS.xls
ABCDE
110:00 PM7:30 AM9.5=(B1-A1+(B1< TD>Format: General
2-or-
310:00 PM7:30 AM9:30=(B3-A3+(B3< TD>Format: Custom, h:mm
Time, Subtract
 
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hi thanks for response, is there any way to have the cels remain the same as in example, the way they are entered is as "1700-2200" for example
 
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You're asking for trouble there. Look at your example: C2 is 18:00-2200 (without the second colon) and E2 is 17:00-11:30 (with both colons).

Excel is meant to do calculations based on entries in separate cells, not on text-based entries. I would strongly recommend changing your format to have start and end times in separate cells.
 
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ok thanks, i will use your example, out of curiosity, can it be done if all formatting is the same?
 
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If you're going to do further calculations using the total hours worked, such as multiplying it by a pay rate, I would suggest using General format.
 
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