Calculate hours used between certain times and calculate break entitlement

tlg

New Member
Joined
Jan 27, 2011
Messages
20
Office Version
  1. 2019
Platform
  1. Windows
Hello!

I would like some help from you Excel experts.

I have a staff rota / schedule, I have already included a formula which will calculate the total length of a shift using the formula:

=(IF(B2>C2,C2+1-B2,C2-B2))*24

This works great, however we have two different rates of pay depending on the times worked so day rate is hours worked between 05:00 and midnight, night rate is hours worked between midnight and 05:00. I would now like to automatically calculate how many hours were at day rate and how many hours were at night rate.

Next I would like to calculate the break entitlement based on the following rules which depend on the total number of hours worked, these rules are as follows:

4 hours or more but <6 hours = 15 minutes
6 hours or more but <8 hours = 30 minutes
8 hours or more but <9 hours = 45 minutes
9 hours or more but <11 hours = 1 hour
11 hours or more = 90 minutes

I have created a quick example (attached) of what I would like to achieve, the cells in white are the data I would enter (staff member name and their shift start and finish times), green cells already calculate as I would like and yellow cells are those which I could do with some help with.

Example Rota.xlsx
ABCDEFGH
1StaffStartFinishTotal HoursTotal Night Hours Between Midnight & 05:00Total Day Hours Between 05:00 & MidnightBreak Entitlement (Based On Total Hours)Total Paid Hours
2Staff Member 120:0007:0011561.59.5
3Staff Member 223:3006:006.551.50.56
4Staff Member 320:0008:0012571.510.5
5Staff Member 408:0017:0090918
6
74 hours or more but <6 hours = 15 minutes 6 hours or more but <8 hours = 30 minutes 8 hours or more but <9 hours = 45 minutes 9 hours or more but <11 hours = 1 hour 11 hours or more = 90 minutes
Sheet1
Cell Formulas
RangeFormula
D2:D5D2=(IF(B2>C2,C2+1-B2,C2-B2))*24
H2:H5H2=SUM(D2-G2)


Not sure how easily achievable the above is, I appreciate I may have made it more difficult by trying to do two different calculations so if you can only help with one then that is fine.

I would really appreciate any help I can get.

Thank you!
 

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In G2 and drag down as required
Excel Formula:
=IF(D2<4,0,IF(D2<=6,0.25,IF(D2<=8,0.5,IF(D2<=9,0.75,IF(D2<11,1,1.5)))))
Will look at the other prob after lunch, hopefully
 
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In E2 and drag down
Excel Formula:
=IF(C2>(--"05:00 AM"),5,INT(C2*24))
AND in F2 and drag down
Excel Formula:
=D2-E2
 
Upvote 0
Change to formula in E2
Excel Formula:
=IF(B2<(--"12:00 pm"),0,IF(C2>(--"5:00 AM"),5,INT(C2*24)))
 
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Upvote 0
Change to formula in E2
Excel Formula:
=IF(B2<(--"12:00 pm"),0,IF(C2>(--"5:00 AM"),5,INT(C2*24)))
Thank you very much for your help.

This seems to work apart from there seems to be an issue depending if it is 12 noon and 12 midnight.

When I enter the following:

12:00 16:00 - it correctly shows 4 hours total in D2, however in C2 it shows 5 which is incorrect, it should be 0 as the 4 hours worked are not between midnight and 5am.

I tried removing the PM and AM from the formula but this caused issues with other times.

Do you know how this can be corrected?

Thanks again.
 
Upvote 0
UNTESTED
Excel Formula:
=IF(B2<=(--"12:00 pm"),0,IF(C2>(--"5:00 AM"),5,IF(B2=(--"00:00 am"),INT(C2*24),INT(C2*24))))
 
Upvote 0
Solution
This is working fine for staff that work during the night, however I have come across a couple of issues when a member of staff works certain hours. Is there a way of adding to the code so that if a staff member does a shift during the day or finishes at midnight the calculation is correct.

As an example, this is the result if the following times are entered using the current formula:

Colleague Costing Rota Nights 18.xlsx
ABCDEFGH
1ColleagueStartFinishTotal HoursTotal Night Hours Between Midnight & 05:00Total Day Hours Between 05:00 & MidnightBreak Entitlement (Based On Total Hours)Total Paid Hours
2Staff Member 522:0000:0025-302
3Staff Member 618:0023:005500.254.75
Daily Rota
Cell Formulas
RangeFormula
D2:D3D2=(IF(B2>C2,C2+1-B2,C2-B2))*24
E2:E3E2=IF(B2<=(--"12:00 pm"),0,IF(C2>(--"5:00 AM"),5,IF(B2=(--"00:00 am"),INT(C2*24),INT(C2*24))))
F2:F3F2=D2-E2
G2:G3G2=IF(D2<4,0,IF(D2<6,0.25,IF(D2<8,0.5,IF(D2<9,0.75,IF(D2<11,1,1.5)))))
H2:H3H2=SUM(D2-G2)


The correct calculation should look like this (staff member 5 and 6 are not working any hours between midnight and 5am so it should calculate 0 in the relevant column (E):

Colleague Costing Rota Nights 18.xlsx
ABCDEFGH
1ColleagueStartFinishTotal HoursTotal Night Hours Between Midnight & 05:00Total Day Hours Between 05:00 & MidnightBreak Entitlement (Based On Total Hours)Total Paid Hours
2Staff Member 522:0000:0020202
3Staff Member 618:0023:005050.254.75
Daily Rota
Cell Formulas
RangeFormula
F2:F3F2=D2-E2
G2:G3G2=IF(D2<4,0,IF(D2<6,0.25,IF(D2<8,0.5,IF(D2<9,0.75,IF(D2<11,1,1.5)))))
H2:H3H2=SUM(D2-G2)
D2:D3D2=(IF(B2>C2,C2+1-B2,C2-B2))*24


I would really appreciate some help with this.
 
Last edited:
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